*
*🖌Accordion Sign:*
_Appearance of bowel that may be seen with pseudomembranous colitis._
*🖍Air Crescent Sign:*
_Appearance of cavitation that may be seen with invasive apergillosis._
*🖌Anteater's Nose Sign:*
_Sign of calcaneonavicular tarsal coalition._
*🖍Apple Core Lesion:*
_Circumferential narrowing of the lumen secondary to colon._
*🖌Ball On Tee Sign:*
_Sign of papillary necrosis on IVU._
*🖍Banana Sign:*
_Seen on antenatal US and refers to a banana-shaped configuration of the cerebellum. Associated with neural tube defects._
*🖌Bat Wing Appearance (chest):*
_Classic chest radiography finding for pulmonary edema._
*🖍Bat Wing Appearance (neuro):*
_Appearance of 4th ventricle that may be seen with Joubert syndrome._
*🖌Beak Sign:*
_Sigmoid volvulus._
*🖍Bergman's Coiled Catheter Sign:*
_Sign of ureteral transitional cell carcinoma when a catheter coils in region of neoplasm (see also Goblet sign)._
*🖌Bird's Beak:*
_Narrowing of the esophagus in achalasia._
*🖍Bird's Beak:*
_Narrowing of the colon in cecal volvulus._
*🖌Blade Of Grass:*
_Paget disease._
*🖍Bone In Bone Sign:*
_Appearance of spine that may be seen osteopetrosis._
*🖌Boot-Shaped Heart:*
_Tetralogy of Fallot._
*🖍Boxcar Ventricles:*
_Appearance of frontal horns that may be seen in Huntington's disease._
*🖌Breast In A Breast:*
_Term used to describe Fibroadenolipomas._
*🖍Bulging Fissure Sign:*
_Bulging of a pulmonary fissure. Most commonly associated with Klebsiella pneumonia._
*🖌Bullet Carpal Bones:*
_Appearance of carpal bones that may be seen with mucopolysaccharidoses._
*🖍Butterfly Vertebrae (H Shaped):*
_Results from failure of fusion of the lateral halves of the vertebral body because of persistent notochondal tissue between them._
*🖌C Sign:*
_Sign of talocalcaneal tarsal coalition._
*🖍Cake Kidney:*
_All renal tissue is fused into one pelvic mass and gives rise to two separate ureters which enter the bladder in normal relationship._
*🖌Canoe Paddle Ribs:*
_Appearance of ribs that may be seen with mucopolysaccharidoses._
*🖍Celery Stalking:*
_Irregular appearance of metaphyses in patients with rubella. Also used to describe metaphyses in patients with osteopathia striata._
*🖌Central Dot Sign:*
_Sign of Caroli's disease._
*🖍Champagne Sign:*
_Specific but not commonly seen ultrasound finding for emphysematous cholecystitis._
*🖌Cloverleaf Skull:*
_Appreance of the skull that may be seen with thanatophoric dysplasia._
*🖍Cluster Of Grapes:*
_Appearance that may be seen with pneumatosis cystoides coli._
*🖌Cobra Head Sign/Edder Head:*
_Dilatation of the distal ureter which may be seen in patients with ureteroceles._
*🖍Coffee Bean Sign:*
_Sigmoid volvulus._
*🖌Collar Sign:*
_Sign of diaphragmatic rupture._
*🖍Comet Sign:*
_Sign to differential a phlebolith from a ureteral stone. Calcified phlebolith represents the comet nucleus and the adjacent, tapering, noncalcified portion of the vein is the comet tail (also see soft-tissue rim sign)._
*🖌Comet Tail Sign:*
_Produced by the distortion of vessels and bronchi that lead to an adjacent area of round atelectasis._
*🖍Cord Sign:*
_Sign of intracranial dural sinus thrombosis._
*🖌Corkscrew Collateral:*
_Appearance of collaterals that may be seen in patients with Buerger disease._
*🖍Corkscrew Sign:*
_Upper GI series sign of midgut volvulus._
*🖌Corduroy Appearance:*
_Appearance of thickening trabeculations seen in intraosseous hemangiomas of the spine. See also polka-dot pattern._
*🖍Crazy-Paving Sign:*
_Nonspecific appearance consisting of linear network or reticular pattern with areas of ground-glass opacification. Classically associated with pulmonary alveolar proteinosis._
*🖌Crossover Sign:*
_Anterior acetabular rim is projected laterally relative to the same point of the posterior rim in the superolateral aspect of the acetabulum. See with pincer type femoroacetabular impingement._
*🖍Cyclops Lesion:*
_May occur status post anterior cruciate ligament reconstruction._
*🖌David Letterman Sign:*
_Sign of scapholunate ligament disruption (also see Terry Thomas sign)._
*🖍Dense Vessel Sign:*
_Sign of cerebrovascular accident that represent thrombus in the middle cerebral artery._
*🖌Dependent Viscera Sign:*
_Sign of diaphragmatic rupture (viscera falls to a dependent position)._
*🖍Dot & Dash Pattern:*
_Sacral insufficiency fracture._
*🖌Double Bleb Sign:*
_Appearance of amnion and yolk sac at 5-6 weeks. Embryo lies between amnion and yolk say._
*🖍Double Bubble Sign:*
_Sign of duodenal atresia and other forms of duodenal obstruction._
*🖌Double Decidua Sign:*
_Sign of early normal intrauterine gestation._
*🖍Double Density Sign (cardiac):*
_Sign of left atrial enlargement when right side of the left atrium pushes into the adjacent lung._
*🖌Double Density Sign (nucs):*
_Pattern of uptake that may be seen on bone scans in patients with osteoid osteomas._
*🖍Double Duct Sign:*
_Simultaneous dilatation of the common bile and pancreatic ducts that is generally caused by a tumor in the pancreatic head._
*🖌Double PCL Sign:*
_MRI sign of a bucket-handle meniscal tear._
*🖍Double Track Sign:*
_Appearance of hypertrophic pyloric stenosis that may be seen on upper GI series._
*🖌Draped Aorta Sign:*
_Sign of contained rupture of an abdominal aoric aneurysm._
*🖍Drooping Lily Sign:*
_Inferolateral displacement of the opacified lower pole moiety in a duplex kidney from an obstructed (unopacified) upper pole moeity._
*🖌Egg On A String:*
_Appearance of the heart that may be seen with transposition of great arteries._
*🖍Empty Delta Sign:*
_Sign of intracranial dural sinus thrombosis._
*🖌Epicardial Fat Pad Sign:*
_Sign of a pericardial effusion._
*🖍Eye Of The Tiger Sign:*
_Low signal intensity circumscribing the globus pallidus in patients with Hallervorden-Spatz syndrome._
*🖌Faceless Kidney:*
_Appearance of kidney secondary to any process that obliterates renal sinus (i.e. lymphoma, transitional cell carcinoma)._
*🖍Face Of Panda Sign:*
_MRI - Wilson's disease._
*🖌Also Panda Sign:*
_Gallium Scan - Sarcoidosis._
*🖍Fallen Fragment Sign:*
_Sign of a pathologic fracture seen with unicameral bone cysts._
*🖌Feeding Vessel Sign:*
_Sign of pulmonary septic emboli._
*🖍Flame Shaped (breast):*
_Gynecomastia._
*🖌Flame Shaped (msk):*
_Paget disease._
*🖍Fat Halo Sign:*
_Seen in various diseases of the bowel in which fatty infiltration of the submucosa is present._
*🖌Fat Ring Sign:*
_Preservation of the perivascular fat around the mesenteric vessels that may be seen with mesenteric panniculitis._
*🖍Flat Tire Sign:*
_Sign of a ruptured globe._
*🖌Flat Waist Sign:*
_Appearance of left heart border that may be seen with left lower lobe atelectasis._
*🖍Figure 3 Sign:*
_Appearance of the aorta that may be seen in patients with coarctation of the aorta._
*🖌Figure 8 Sign:*
_Appearance of the brain in pachygyria._
*🖍Finger In Glove Sign:*
Sign of mucous plugging seen with _allergic bronchopulmonary aspergillosis._
*🖌Fish Vertebrae:*
_Description of shape of vertebral bodies that may be seen in patients with sickle cell disease. See also: H-shaped vertebral bodies._
*🖍Football Sign:*
_Sign of pneumoperitoneum seen on supine radiographs._
*🖌Gastrointestinal String Sign:*
_Sign of Crohn disease._
*🖍Goblet Sign:*
_Sign of ureteral transitional cell carcinoma that may be seen on retrograde or intravenous urography (see also Bergman's coiled catheter sign)._
*🖌Gull Wing Appearance:*
_Appearance of erosions that may occur in patients with erosive osteoarthritis._
*🖍H-shaped Vertebral Bodies:*
_Shape of vertebral bodies that may be seen in patients with sickle cell disease. See also: Fish vertebrae._
*🖌Halo Sign:*
_Ground-glass attenuation surrounding a pulmonary nodule or mass on CT images. Represents hemorrhage and is highly suggestive of Aspergillus. (Invasive)_
*🖍Hampton's Hump:*
_Triangular opacity secondary to infarction in the periphery of the lung distal to a pulmonary embolism. (Convexity to the hilum) Pulmonary artery dilated. Pala's sign IOC- Multi slice CT (MDCT) Gold standard- Angiography._
*🖌Head Cheese Sign:*
_Sign of subacute hypersensitivity pneumonitis._
*🖍Hidebound Sign:*
_On small bowel series, crowding of folds in dilated loops of small bowel may be seen in patients with scleroderma._
*🖌High-Attenuating Crescent Sign:*
_Sign of impending abdominal aoric aneurysm rupture._
*🖍Hole Within A Hole:*
_Appearance that may be seen when eosinophilic granuloma involves the skull._
*🖌Holly leaf Appearance:*
_Chest radiograph finding that may be seen with asbestos pleural plaques._
*🖍Honda Sign:*
_Sacral insufficiency fracture of bone scan (HOT)._
*🖌Hot Cross Bun Sign- MRI (Cruciform):*
_May be seen on axial T2 weighted images of the pons in multiple system atrophy- type C._
*🖍Hot Nose Sign:*
_Sign that may be observed on brain flow scans in patients with brain death._
*🖌Hourglass Appearance:*
_MRI appearance that may be seen with concentric cystic adventitial disease._
*🖍Humming Bird Sign:*
_PSP (progressive supra nuclear palsy)._
*Interstitial Line Sign:*
_Sign that may be seen with an interstitial ectopic pregnancy._
*🖍Inverted Napoleon's Hat Sign:*
_Sign of severe spondylolisthesis at the lumbosacral junction. Best X-ray - lateral, CT better - break in pars reticularis (spondylolysis)- with collar Scotty dog._
_C.f.- normal lateral oblique view of vertebra- Scotty Dog._
_Beheaded Scotty dog- spondylolisthesis._
*🖌Ivory Vertebra Sign:*
_Increase in opacity of a vertebral body that retains its size and contours, with no change in the opacity and size of adjacent intervertebral disks. - paget's ds, hodgkin lymphoma._
*🖍Juxtaphrenic Peak Sign:*
_Tenting of the diaphragm that may be seen with right upper lobe atelectasis._
*🖌Keyhole Sign:*
_US appearance that may be seen with posterior urethral valves dilated. Due to obstruction._
*🖍Lace Like:*
_Pattern that may be seen with sarcoid arthropathy._
*🖌Lace Like Pattern:*
_Ultrasound appearance of hemorrhagic ovarian cysts._
*🖍Lacunar Skull:*
_Appearance of skull that may be seen in infants with Chiari II malformation._
*🖌Lambda Sign:*
_On a Gallium-67 citrate scan, uptake in the hilar and paratracheal lymph nodes gives the appearance of a lambda. This is seen in sarcoidosis._
*🖍Lead Pipe/Pipe Stem Colon:*
_Narrowing of colon with loss of haustra that may be seen in patients with ulcerative colitis._
*🖌Linguine Sign:*
_MRI sign that may be seen in patients with intracapsular silicon gel breast implant rupture._
_Complication - MRI for diagnosis._
*🖍Lobster Claw Sign:*
_Sign of papillary necrosis on IVU. Egg in cup calyces Golf ball on T sign._
*🖌Lollipop:*
_Appearance of diverticula that may been seen on HSG in patients with adenomyosis._
*🖍Luftsichel Sign:*
_"Air cresent". Sign that may be seen with left upper lobe atelectasis._
*🖌Mark Morton Sign:*
_Throckmorton's sign with a small penis._
*🖍Mercedes Benz Sign:*
_Appearance of gas within gallstones. (on xray)._
*🖌Moulage Sign:*
_Effaced loop of bowel that may be seen on a small bowel series in sprue. (Long standing Malabsorption)._
*🖍Molar Tooth Sign (GU):*
_Perivesicular extravasation of contrast on CT cystogram in a patient with extraperitoneal bladder rupture._
*🖌Molar Tooth Sign (Neuro):*
_Enlarged and horizontally directed tubular structure- cerebellar peduncles on each side of the midline emerging from the midbrain in patients with Joubert syndrome. (Bat wing appearance)._
*🖍Monod Sign:*
_Air surrounding an aspergilloma (Also see air crescent sign)._
*🖌Mount Fuji Sign CT:*
_Phalopathy Single ventricle, fusion of forebrain, Halo pro encephaly._
*🖍Paintbrush Appearance:*
_Linear striations of contrast material opacifing collecting tubules that may be seen with medullary sponge kidney._
*🖌Panda Sign:*
On a Gallium-67 citrate _scan, uptake in the lacrimal and salivary glands gives the appearance of a panda. This is suggestive of sarcoidosis._
*🖍Parallel Track Sign:*
_Pattern of uptake that may be seen on bone scan in patients with hypertrophic osteoarthropathy._
*🖌Pear-Shaped Bladder:*
_Bladder assumes the shape of a pear when it undergoes extrinsic compression due to excess tissue in the pelvis._
*🖍Pearl Necklace Sign:*
_MRI sign that may be seen with adenomyomatosis._
*🖌Pencil In Cup Deformity:*
_Erosion pattern of digits that may be seen in patients with psoriatic arthritis._
_Bone density normal. Sausage digits._
*🖍Picture Frame Vertebral Body:*
_Thicken cortex of vertebral bodies that may be seen in patients with Paget disease. Cotton wool (skull). Blade of grass (long bones)._
*🖌Picket Fence:*
_Appearance of bowel that may be seen on small bowel series with Whipple disease or gastrointestinal amyloidosis._
*🖍Pistol Grip Deformity:*
_Appearance of the proximal femur that may be seen with cam type femoroacetabular impingement._
*🖌Pine Tree Bladder/Christmas Tree :*
_Neurogenic bladder (Elongated bladder with reflex in ureter, trabelculations)._
*🖍Playboy Bunny Sign:*
_US sign of the appearance of the confluence of the hepatic veins opening with the IVC. (liver) Normal appearance._
*🖌Polka-Dot Pattern:*
_Appearance of thickening trabeculations seen in intraosseous hemangiomas of the spine. See also Corduroy appearance._
*🖍Porcelain Gallbladder:*
_Calcification of the gallbladder wall._
*🖌Popcorn Appearance:*
_Chest x Ray - Hemartoma._
_Mammogram- Fibroadenoma._
_Brain- Cavernous Angioma._
*🖍Putty Kidney/Cement Kidney:*
_Appearance that may be seen with end-stage renal tuberculosis._
*🖌Reversal Sign:*
_Hypoxic ischaemic Encephalopathy- asphyxia during birth. CT sign of anoxic brain injury where gray matter is lower in attenuation that white matter (the opposite is normal)._
*🖍Reversed Halo Sign:*
_Relatively specific sign of pulmonary nodules in cryptogenic organizing pneumonia._
*🖌Ribbon Bowel:*
_Appearance of bowel that may be seen on barium studies in graft versus host disease._
*🖍Ribbon Ribs:*
_Appearance of ribs that may be seen with neurofibromatosis 1._
*🖌Rice Kernel:*
_CT appearance that may be seen with dacryolithiasis._
*🖍Rigler's Sign - Supine Film:*
_Also in football sign._
_Falciform ligament sign, Sign of pneumoperitoneum where both sides of a loop of bowel are outlined by air._
CT scan
X-ray (70%)
*🖌Rim Sign:*
_On cholescintigraphy, increased uptake is seen in the region of the gallbladder fossa. Sign is specific for acute cholecystitis._
*🖍Ring Of Fire Sign:*
_US finding. Hypervascular ring in the adnexa that may be seen with either ectopic pregnancy or corpus luteum._
*🖌Ring Sign:*
_CT sign of epiploic appendagitis._
*🖍Rosary Sign:*
_CT sign that may be seen with adenomyomatosis._
*🖌Rugger Jersey Spine Sign:*
_Appearance of spine that may be seen with hyperparathyroidism._
*🖌S Sign of Golden:*
_Right upper lobe atelectasis created by a central mass. Should raise the suspicion of a central neoplasm.- bronchogenic cancer._
*🖍Saber-Sheath Trachea:*
_Appearance of trachea that may be seen with COPD._
*🖌Saber Shin:*
_Appearance of tibia that may be seen with congenital syphilis._
*🖍Sandstorm Appearance:*
_Appearance of lungs that may be seen in pulmonary alveolar microlithiasis. (Congenital condition)._
*🖌Salt & Pepper Pattern:*
_Flow voids seen in glomus tumors._
*🖍Salt & Pepper Skull- Xray:*
_Appearance of skull that may be seen in patients with hyperparathyroidism.? (Paraganglionoma-MRI-b.v.)_
*🖌Sandwich Sign:*
_Bulky lymphoma encasing mesenteric vessels._
*🖍Sandwich Deformity:*
_Sclerotic endplates that may be seen with osteopetrosis._
*🖌Sausage Digit:*
_Soft tissue swelling of digits in patients with psoriatic arthritis._
_(Acute osteomyelitis- soft tissue swelling or blurring of fat)_
*🖍Scimitar Sign:*
_MRI appearance that may be seen with eccentric cystic adventitial disease._
*🖌Scottie Dog:*
_On oblique radiographs, the posterior elements form the appearance of a Scottie dog. Spondylolysis can have the appearance of a collar around the neck._
*🖍Shepard's Crook Depresent. (ground glass appearance):*
_Proliferation of woven bone, Appearance of proximal femur that may be seen with fibrous dyplasia._
_Bone scan- HOT._
*🖌Shoulder Sign:*
_Appearance of hypertrophic pyloric stenosis that may be seen on upper GI series._
*🖍Signet Ring Sign (Chest):*
_Sign of bronchiectasis._
_Best investigation- ILD, Bronchiectasis, Miliary tb.(Tramtrack app, bunch of grapes- cystic)._
*🖌Signet Ring Sign (GU):*
_Sign of papillary necrosis on IVU._
*🖍Small Heart Sign:*
_Sign of tension pneumopericardium.(Pneumomediastinum- above aorta)._
*🖌Snowman:*
_Appearance of heart that may be seen with supracardiac total anomalous pulmonary venous return._
*🖍Snowstorm Pattern (breast):*
_US pattern for breast implant rupture._
*🖌Snowstorm Pattern (Ob/gyn):*
(black n white)
_US pattern for a molar pregnancy._
*🖍Soft-tissue Rim Sign:*
_Appearance of a ureteral edema surrounding a calculus. Helps differentiates a calculus from a phlebolith._
*🖌Spade Shape:*
_Shape of tufts that may be seen with acromegaly._
*🖍Spalding Sign:*
_Overlapping cranial sutures. Sign of fatal demise on prenatal ultrasound._
*🖌Spider Web:*
_Appearnace of collateral vessels that may be seen on hepatic venography in Budd-Chiari syndrome._
*🖍Spinnaker Sail Sign:*
_Elevation of the thymus by air that may be seen with pneumomediastinum. Continuous diaphragm sign also present._
*🖌Split Pleura Sign:*
_CT sign of thoracic empyema._
*🖍Spoke Wheel:* enhancement pattern (GU)
_May be seen with oncocytomas._
*🖌Spoke Wheel:* enhancement pattern (GI)
_May be seen with focal nodular hyperplasia._
*🖍Spokewheel Sign:* (GI) - Pattern of mesentery.
_May be seen with small bowel volvulus._
*🖌Starry Sky- Liver - Portal Vein:*
_US appearance that may be seen with acute hepatitis._
*🖍Steeple Sign:*
_Appearance of narrowing of the subglottic tracheal lumen that may be seen with croup._
*🖌Stepladder Sign:*
_US sign that may be seen in patients with intracapsular breast implant rupture._
*🖍Straight Line Sign:*
_PET sign of peritoneal carcinomatosis._
*🖌Strawberry skull:*
_Appearance of skull that may be seen on fetal US with Trisomy 18._
*🖍String Of Beads:*
- in renal artery and chronic pancreatitis (chain of lakes)
_Appearance of multiple stenosis that mMulvey-seen in patients with fibromuscular dysplasia._
_Also small bowel obstruction !_
*🖌String Sign Of Pylorus Stenosis:*
_Appearance of congenital hypertrophic pyloric stenosis that may be seen on upper GI series._
*_Kantor-Crohns TB_*
_Also pseudobilroth app- crohn's_
*🖍Stripe Sign:*
_On a V/Q scan_
_Subpleural activity in a region of decreased pulmonary perfusion. Sign is used to rule out pulmonary embolism._
*🖌Superior Triangle Sign:*
_Sign that may be seen with right lower lobe atelectasis._
*🖍Talar Beak:*
_Sign of talocalcaneal tarsal coalition._
*🖌Tau Sign:*
_MRI sign of a persistent trigeminal artery._
*🖍Telephone Receiver Shaped Femora:*
_Appearance of femora that can be seen with thanatophoric dysplasia. (Dwarfism)._
*🖌Terry Thomas Sign:*
_Sign of scapholunate ligament disruption (also see David Letterman sign)._
*🖍Throckmorton's Sign:*
_The penis points to the pathology._
*🖌Thumb Sign:*
_Classic lateral radiographic finding for epiglotitis. (Swollen)._
*🖍Thumb Printing:*
_Sign of bowel wall thickening seen with entities such as ischemic bowel, diverticulitis, Crohn's disease, and ulcerative colitis._
*🖌Tip Of The Iceberg Sign:*
_Ultrasound sign that may be seen with mature cystic teratomas._
*🖍Tit Sign:*
_Appearance of hypertrophic pyloric stenosis that may be seen on upper GI series._
*🖌Tram-Track Sign:*
(chest)
_Sign of bronchiectasis._
*🖍Tram-Track Sign:*
(neuro)
_Sign of optic nerve meningioma._
*🖌Tram-Track Sign:*
(neuro)
_Appearance of cortical calcifications that may be seen with Sturge-Weber syndrome._
*🖍Tram-Track Sign:*
(nucs)
_Bone scan finding that may be seen with hypertrophic osteoarthropathy._
*🖌Tree In Bud:*
_Nonspecific pulmonary pattern seen on thin-section computed tomography. (Tuberculosis, immunocompromised- pneumocystis carinii)._
*🖍Trident Hand:*
_Appearance of hands that may be seen with achondroplasia._
*🖌Trough Line Sign:*
_In posterior shoulder dislocation, frontal radiographs reveal two nearly parallel lines in the superomedial aspect of the humeral head._
*🖍Candle Guttering:*
_Tuberous Sclerosis._
*🖌Supependymal Calcification:*
giant cell astrocytoma (foramen of monro)
_Lung app- honeycomb._
_Heart- rhabdomyoma._
*🖍Umbrella Sign:*
_Sign of a ruptured globe._
*🖌Wall-Echo-Shadow Sign (WES):*
_Sign of chronic cholelithiasis on US when the gallbladder is filled with calculi. (GB not seen- due to fibrosis). _
*🖍Waterlily Sign:* contained (endocyst) rupture-chest xray
_Sign of hydatid cyst._
*🖌Watering Can Perineum:*
_Sign of fistula formation secondary to periurethral abscess._
*🖍Wave Sign Of Mulvey:*
_Sign produced by lateral indentation of thymus by adjacent anterior ribs. This sign in seen in the pediatric population and represents a normal thymus._
*🖌Whirlpool Sign:*
_US sign of midgut volvulus in a neonate._
*🖍Wimberger's Ring Sign:*
_A circular, opaque radiologic shadow surroundsing epiphyseal centers of ossification in patients with scurvy._
*🖌Wimberger's Sign:*
_Symmetrical lesions (eroded) seen in the proximal tibial medial metaphysis in patient's with congenital syphilis._
*🖍Westermark's Sign:* (focal) - IOC- Multi slice CT preferred.
_Regional pulmonary oligemia secondary to pulmonary embolism. (Palla's- descending right pulmonary artery dilation)._
*🖌Winking Owl Sign:* - xray- vertebrae mets
_Absent winking sign- DVT compression Usg Hampton's sign, usually normal X-ray)._
*🖍Yin-Yang Sign:*
_Swirling blood flow pattern within a pseudoaneurysm._
*🖌Yo-Yo On A String Sign:*
_MRI appearance of a Stener lesion. (see Gamekeeper thumb)._
*🖌Accordion Sign:*
_Appearance of bowel that may be seen with pseudomembranous colitis._
*🖍Air Crescent Sign:*
_Appearance of cavitation that may be seen with invasive apergillosis._
*🖌Anteater's Nose Sign:*
_Sign of calcaneonavicular tarsal coalition._
*🖍Apple Core Lesion:*
_Circumferential narrowing of the lumen secondary to colon._
*🖌Ball On Tee Sign:*
_Sign of papillary necrosis on IVU._
*🖍Banana Sign:*
_Seen on antenatal US and refers to a banana-shaped configuration of the cerebellum. Associated with neural tube defects._
*🖌Bat Wing Appearance (chest):*
_Classic chest radiography finding for pulmonary edema._
*🖍Bat Wing Appearance (neuro):*
_Appearance of 4th ventricle that may be seen with Joubert syndrome._
*🖌Beak Sign:*
_Sigmoid volvulus._
*🖍Bergman's Coiled Catheter Sign:*
_Sign of ureteral transitional cell carcinoma when a catheter coils in region of neoplasm (see also Goblet sign)._
*🖌Bird's Beak:*
_Narrowing of the esophagus in achalasia._
*🖍Bird's Beak:*
_Narrowing of the colon in cecal volvulus._
*🖌Blade Of Grass:*
_Paget disease._
*🖍Bone In Bone Sign:*
_Appearance of spine that may be seen osteopetrosis._
*🖌Boot-Shaped Heart:*
_Tetralogy of Fallot._
*🖍Boxcar Ventricles:*
_Appearance of frontal horns that may be seen in Huntington's disease._
*🖌Breast In A Breast:*
_Term used to describe Fibroadenolipomas._
*🖍Bulging Fissure Sign:*
_Bulging of a pulmonary fissure. Most commonly associated with Klebsiella pneumonia._
*🖌Bullet Carpal Bones:*
_Appearance of carpal bones that may be seen with mucopolysaccharidoses._
*🖍Butterfly Vertebrae (H Shaped):*
_Results from failure of fusion of the lateral halves of the vertebral body because of persistent notochondal tissue between them._
*🖌C Sign:*
_Sign of talocalcaneal tarsal coalition._
*🖍Cake Kidney:*
_All renal tissue is fused into one pelvic mass and gives rise to two separate ureters which enter the bladder in normal relationship._
*🖌Canoe Paddle Ribs:*
_Appearance of ribs that may be seen with mucopolysaccharidoses._
*🖍Celery Stalking:*
_Irregular appearance of metaphyses in patients with rubella. Also used to describe metaphyses in patients with osteopathia striata._
*🖌Central Dot Sign:*
_Sign of Caroli's disease._
*🖍Champagne Sign:*
_Specific but not commonly seen ultrasound finding for emphysematous cholecystitis._
*🖌Cloverleaf Skull:*
_Appreance of the skull that may be seen with thanatophoric dysplasia._
*🖍Cluster Of Grapes:*
_Appearance that may be seen with pneumatosis cystoides coli._
*🖌Cobra Head Sign/Edder Head:*
_Dilatation of the distal ureter which may be seen in patients with ureteroceles._
*🖍Coffee Bean Sign:*
_Sigmoid volvulus._
*🖌Collar Sign:*
_Sign of diaphragmatic rupture._
*🖍Comet Sign:*
_Sign to differential a phlebolith from a ureteral stone. Calcified phlebolith represents the comet nucleus and the adjacent, tapering, noncalcified portion of the vein is the comet tail (also see soft-tissue rim sign)._
*🖌Comet Tail Sign:*
_Produced by the distortion of vessels and bronchi that lead to an adjacent area of round atelectasis._
*🖍Cord Sign:*
_Sign of intracranial dural sinus thrombosis._
*🖌Corkscrew Collateral:*
_Appearance of collaterals that may be seen in patients with Buerger disease._
*🖍Corkscrew Sign:*
_Upper GI series sign of midgut volvulus._
*🖌Corduroy Appearance:*
_Appearance of thickening trabeculations seen in intraosseous hemangiomas of the spine. See also polka-dot pattern._
*🖍Crazy-Paving Sign:*
_Nonspecific appearance consisting of linear network or reticular pattern with areas of ground-glass opacification. Classically associated with pulmonary alveolar proteinosis._
*🖌Crossover Sign:*
_Anterior acetabular rim is projected laterally relative to the same point of the posterior rim in the superolateral aspect of the acetabulum. See with pincer type femoroacetabular impingement._
*🖍Cyclops Lesion:*
_May occur status post anterior cruciate ligament reconstruction._
*🖌David Letterman Sign:*
_Sign of scapholunate ligament disruption (also see Terry Thomas sign)._
*🖍Dense Vessel Sign:*
_Sign of cerebrovascular accident that represent thrombus in the middle cerebral artery._
*🖌Dependent Viscera Sign:*
_Sign of diaphragmatic rupture (viscera falls to a dependent position)._
*🖍Dot & Dash Pattern:*
_Sacral insufficiency fracture._
*🖌Double Bleb Sign:*
_Appearance of amnion and yolk sac at 5-6 weeks. Embryo lies between amnion and yolk say._
*🖍Double Bubble Sign:*
_Sign of duodenal atresia and other forms of duodenal obstruction._
*🖌Double Decidua Sign:*
_Sign of early normal intrauterine gestation._
*🖍Double Density Sign (cardiac):*
_Sign of left atrial enlargement when right side of the left atrium pushes into the adjacent lung._
*🖌Double Density Sign (nucs):*
_Pattern of uptake that may be seen on bone scans in patients with osteoid osteomas._
*🖍Double Duct Sign:*
_Simultaneous dilatation of the common bile and pancreatic ducts that is generally caused by a tumor in the pancreatic head._
*🖌Double PCL Sign:*
_MRI sign of a bucket-handle meniscal tear._
*🖍Double Track Sign:*
_Appearance of hypertrophic pyloric stenosis that may be seen on upper GI series._
*🖌Draped Aorta Sign:*
_Sign of contained rupture of an abdominal aoric aneurysm._
*🖍Drooping Lily Sign:*
_Inferolateral displacement of the opacified lower pole moiety in a duplex kidney from an obstructed (unopacified) upper pole moeity._
*🖌Egg On A String:*
_Appearance of the heart that may be seen with transposition of great arteries._
*🖍Empty Delta Sign:*
_Sign of intracranial dural sinus thrombosis._
*🖌Epicardial Fat Pad Sign:*
_Sign of a pericardial effusion._
*🖍Eye Of The Tiger Sign:*
_Low signal intensity circumscribing the globus pallidus in patients with Hallervorden-Spatz syndrome._
*🖌Faceless Kidney:*
_Appearance of kidney secondary to any process that obliterates renal sinus (i.e. lymphoma, transitional cell carcinoma)._
*🖍Face Of Panda Sign:*
_MRI - Wilson's disease._
*🖌Also Panda Sign:*
_Gallium Scan - Sarcoidosis._
*🖍Fallen Fragment Sign:*
_Sign of a pathologic fracture seen with unicameral bone cysts._
*🖌Feeding Vessel Sign:*
_Sign of pulmonary septic emboli._
*🖍Flame Shaped (breast):*
_Gynecomastia._
*🖌Flame Shaped (msk):*
_Paget disease._
*🖍Fat Halo Sign:*
_Seen in various diseases of the bowel in which fatty infiltration of the submucosa is present._
*🖌Fat Ring Sign:*
_Preservation of the perivascular fat around the mesenteric vessels that may be seen with mesenteric panniculitis._
*🖍Flat Tire Sign:*
_Sign of a ruptured globe._
*🖌Flat Waist Sign:*
_Appearance of left heart border that may be seen with left lower lobe atelectasis._
*🖍Figure 3 Sign:*
_Appearance of the aorta that may be seen in patients with coarctation of the aorta._
*🖌Figure 8 Sign:*
_Appearance of the brain in pachygyria._
*🖍Finger In Glove Sign:*
Sign of mucous plugging seen with _allergic bronchopulmonary aspergillosis._
*🖌Fish Vertebrae:*
_Description of shape of vertebral bodies that may be seen in patients with sickle cell disease. See also: H-shaped vertebral bodies._
*🖍Football Sign:*
_Sign of pneumoperitoneum seen on supine radiographs._
*🖌Gastrointestinal String Sign:*
_Sign of Crohn disease._
*🖍Goblet Sign:*
_Sign of ureteral transitional cell carcinoma that may be seen on retrograde or intravenous urography (see also Bergman's coiled catheter sign)._
*🖌Gull Wing Appearance:*
_Appearance of erosions that may occur in patients with erosive osteoarthritis._
*🖍H-shaped Vertebral Bodies:*
_Shape of vertebral bodies that may be seen in patients with sickle cell disease. See also: Fish vertebrae._
*🖌Halo Sign:*
_Ground-glass attenuation surrounding a pulmonary nodule or mass on CT images. Represents hemorrhage and is highly suggestive of Aspergillus. (Invasive)_
*🖍Hampton's Hump:*
_Triangular opacity secondary to infarction in the periphery of the lung distal to a pulmonary embolism. (Convexity to the hilum) Pulmonary artery dilated. Pala's sign IOC- Multi slice CT (MDCT) Gold standard- Angiography._
*🖌Head Cheese Sign:*
_Sign of subacute hypersensitivity pneumonitis._
*🖍Hidebound Sign:*
_On small bowel series, crowding of folds in dilated loops of small bowel may be seen in patients with scleroderma._
*🖌High-Attenuating Crescent Sign:*
_Sign of impending abdominal aoric aneurysm rupture._
*🖍Hole Within A Hole:*
_Appearance that may be seen when eosinophilic granuloma involves the skull._
*🖌Holly leaf Appearance:*
_Chest radiograph finding that may be seen with asbestos pleural plaques._
*🖍Honda Sign:*
_Sacral insufficiency fracture of bone scan (HOT)._
*🖌Hot Cross Bun Sign- MRI (Cruciform):*
_May be seen on axial T2 weighted images of the pons in multiple system atrophy- type C._
*🖍Hot Nose Sign:*
_Sign that may be observed on brain flow scans in patients with brain death._
*🖌Hourglass Appearance:*
_MRI appearance that may be seen with concentric cystic adventitial disease._
*🖍Humming Bird Sign:*
_PSP (progressive supra nuclear palsy)._
*Interstitial Line Sign:*
_Sign that may be seen with an interstitial ectopic pregnancy._
*🖍Inverted Napoleon's Hat Sign:*
_Sign of severe spondylolisthesis at the lumbosacral junction. Best X-ray - lateral, CT better - break in pars reticularis (spondylolysis)- with collar Scotty dog._
_C.f.- normal lateral oblique view of vertebra- Scotty Dog._
_Beheaded Scotty dog- spondylolisthesis._
*🖌Ivory Vertebra Sign:*
_Increase in opacity of a vertebral body that retains its size and contours, with no change in the opacity and size of adjacent intervertebral disks. - paget's ds, hodgkin lymphoma._
*🖍Juxtaphrenic Peak Sign:*
_Tenting of the diaphragm that may be seen with right upper lobe atelectasis._
*🖌Keyhole Sign:*
_US appearance that may be seen with posterior urethral valves dilated. Due to obstruction._
*🖍Lace Like:*
_Pattern that may be seen with sarcoid arthropathy._
*🖌Lace Like Pattern:*
_Ultrasound appearance of hemorrhagic ovarian cysts._
*🖍Lacunar Skull:*
_Appearance of skull that may be seen in infants with Chiari II malformation._
*🖌Lambda Sign:*
_On a Gallium-67 citrate scan, uptake in the hilar and paratracheal lymph nodes gives the appearance of a lambda. This is seen in sarcoidosis._
*🖍Lead Pipe/Pipe Stem Colon:*
_Narrowing of colon with loss of haustra that may be seen in patients with ulcerative colitis._
*🖌Linguine Sign:*
_MRI sign that may be seen in patients with intracapsular silicon gel breast implant rupture._
_Complication - MRI for diagnosis._
*🖍Lobster Claw Sign:*
_Sign of papillary necrosis on IVU. Egg in cup calyces Golf ball on T sign._
*🖌Lollipop:*
_Appearance of diverticula that may been seen on HSG in patients with adenomyosis._
*🖍Luftsichel Sign:*
_"Air cresent". Sign that may be seen with left upper lobe atelectasis._
*🖌Mark Morton Sign:*
_Throckmorton's sign with a small penis._
*🖍Mercedes Benz Sign:*
_Appearance of gas within gallstones. (on xray)._
*🖌Moulage Sign:*
_Effaced loop of bowel that may be seen on a small bowel series in sprue. (Long standing Malabsorption)._
*🖍Molar Tooth Sign (GU):*
_Perivesicular extravasation of contrast on CT cystogram in a patient with extraperitoneal bladder rupture._
*🖌Molar Tooth Sign (Neuro):*
_Enlarged and horizontally directed tubular structure- cerebellar peduncles on each side of the midline emerging from the midbrain in patients with Joubert syndrome. (Bat wing appearance)._
*🖍Monod Sign:*
_Air surrounding an aspergilloma (Also see air crescent sign)._
*🖌Mount Fuji Sign CT:*
_Phalopathy Single ventricle, fusion of forebrain, Halo pro encephaly._
*🖍Paintbrush Appearance:*
_Linear striations of contrast material opacifing collecting tubules that may be seen with medullary sponge kidney._
*🖌Panda Sign:*
On a Gallium-67 citrate _scan, uptake in the lacrimal and salivary glands gives the appearance of a panda. This is suggestive of sarcoidosis._
*🖍Parallel Track Sign:*
_Pattern of uptake that may be seen on bone scan in patients with hypertrophic osteoarthropathy._
*🖌Pear-Shaped Bladder:*
_Bladder assumes the shape of a pear when it undergoes extrinsic compression due to excess tissue in the pelvis._
*🖍Pearl Necklace Sign:*
_MRI sign that may be seen with adenomyomatosis._
*🖌Pencil In Cup Deformity:*
_Erosion pattern of digits that may be seen in patients with psoriatic arthritis._
_Bone density normal. Sausage digits._
*🖍Picture Frame Vertebral Body:*
_Thicken cortex of vertebral bodies that may be seen in patients with Paget disease. Cotton wool (skull). Blade of grass (long bones)._
*🖌Picket Fence:*
_Appearance of bowel that may be seen on small bowel series with Whipple disease or gastrointestinal amyloidosis._
*🖍Pistol Grip Deformity:*
_Appearance of the proximal femur that may be seen with cam type femoroacetabular impingement._
*🖌Pine Tree Bladder/Christmas Tree :*
_Neurogenic bladder (Elongated bladder with reflex in ureter, trabelculations)._
*🖍Playboy Bunny Sign:*
_US sign of the appearance of the confluence of the hepatic veins opening with the IVC. (liver) Normal appearance._
*🖌Polka-Dot Pattern:*
_Appearance of thickening trabeculations seen in intraosseous hemangiomas of the spine. See also Corduroy appearance._
*🖍Porcelain Gallbladder:*
_Calcification of the gallbladder wall._
*🖌Popcorn Appearance:*
_Chest x Ray - Hemartoma._
_Mammogram- Fibroadenoma._
_Brain- Cavernous Angioma._
*🖍Putty Kidney/Cement Kidney:*
_Appearance that may be seen with end-stage renal tuberculosis._
*🖌Reversal Sign:*
_Hypoxic ischaemic Encephalopathy- asphyxia during birth. CT sign of anoxic brain injury where gray matter is lower in attenuation that white matter (the opposite is normal)._
*🖍Reversed Halo Sign:*
_Relatively specific sign of pulmonary nodules in cryptogenic organizing pneumonia._
*🖌Ribbon Bowel:*
_Appearance of bowel that may be seen on barium studies in graft versus host disease._
*🖍Ribbon Ribs:*
_Appearance of ribs that may be seen with neurofibromatosis 1._
*🖌Rice Kernel:*
_CT appearance that may be seen with dacryolithiasis._
*🖍Rigler's Sign - Supine Film:*
_Also in football sign._
_Falciform ligament sign, Sign of pneumoperitoneum where both sides of a loop of bowel are outlined by air._
CT scan
X-ray (70%)
*🖌Rim Sign:*
_On cholescintigraphy, increased uptake is seen in the region of the gallbladder fossa. Sign is specific for acute cholecystitis._
*🖍Ring Of Fire Sign:*
_US finding. Hypervascular ring in the adnexa that may be seen with either ectopic pregnancy or corpus luteum._
*🖌Ring Sign:*
_CT sign of epiploic appendagitis._
*🖍Rosary Sign:*
_CT sign that may be seen with adenomyomatosis._
*🖌Rugger Jersey Spine Sign:*
_Appearance of spine that may be seen with hyperparathyroidism._
*🖌S Sign of Golden:*
_Right upper lobe atelectasis created by a central mass. Should raise the suspicion of a central neoplasm.- bronchogenic cancer._
*🖍Saber-Sheath Trachea:*
_Appearance of trachea that may be seen with COPD._
*🖌Saber Shin:*
_Appearance of tibia that may be seen with congenital syphilis._
*🖍Sandstorm Appearance:*
_Appearance of lungs that may be seen in pulmonary alveolar microlithiasis. (Congenital condition)._
*🖌Salt & Pepper Pattern:*
_Flow voids seen in glomus tumors._
*🖍Salt & Pepper Skull- Xray:*
_Appearance of skull that may be seen in patients with hyperparathyroidism.? (Paraganglionoma-MRI-b.v.)_
*🖌Sandwich Sign:*
_Bulky lymphoma encasing mesenteric vessels._
*🖍Sandwich Deformity:*
_Sclerotic endplates that may be seen with osteopetrosis._
*🖌Sausage Digit:*
_Soft tissue swelling of digits in patients with psoriatic arthritis._
_(Acute osteomyelitis- soft tissue swelling or blurring of fat)_
*🖍Scimitar Sign:*
_MRI appearance that may be seen with eccentric cystic adventitial disease._
*🖌Scottie Dog:*
_On oblique radiographs, the posterior elements form the appearance of a Scottie dog. Spondylolysis can have the appearance of a collar around the neck._
*🖍Shepard's Crook Depresent. (ground glass appearance):*
_Proliferation of woven bone, Appearance of proximal femur that may be seen with fibrous dyplasia._
_Bone scan- HOT._
*🖌Shoulder Sign:*
_Appearance of hypertrophic pyloric stenosis that may be seen on upper GI series._
*🖍Signet Ring Sign (Chest):*
_Sign of bronchiectasis._
_Best investigation- ILD, Bronchiectasis, Miliary tb.(Tramtrack app, bunch of grapes- cystic)._
*🖌Signet Ring Sign (GU):*
_Sign of papillary necrosis on IVU._
*🖍Small Heart Sign:*
_Sign of tension pneumopericardium.(Pneumomediastinum- above aorta)._
*🖌Snowman:*
_Appearance of heart that may be seen with supracardiac total anomalous pulmonary venous return._
*🖍Snowstorm Pattern (breast):*
_US pattern for breast implant rupture._
*🖌Snowstorm Pattern (Ob/gyn):*
(black n white)
_US pattern for a molar pregnancy._
*🖍Soft-tissue Rim Sign:*
_Appearance of a ureteral edema surrounding a calculus. Helps differentiates a calculus from a phlebolith._
*🖌Spade Shape:*
_Shape of tufts that may be seen with acromegaly._
*🖍Spalding Sign:*
_Overlapping cranial sutures. Sign of fatal demise on prenatal ultrasound._
*🖌Spider Web:*
_Appearnace of collateral vessels that may be seen on hepatic venography in Budd-Chiari syndrome._
*🖍Spinnaker Sail Sign:*
_Elevation of the thymus by air that may be seen with pneumomediastinum. Continuous diaphragm sign also present._
*🖌Split Pleura Sign:*
_CT sign of thoracic empyema._
*🖍Spoke Wheel:* enhancement pattern (GU)
_May be seen with oncocytomas._
*🖌Spoke Wheel:* enhancement pattern (GI)
_May be seen with focal nodular hyperplasia._
*🖍Spokewheel Sign:* (GI) - Pattern of mesentery.
_May be seen with small bowel volvulus._
*🖌Starry Sky- Liver - Portal Vein:*
_US appearance that may be seen with acute hepatitis._
*🖍Steeple Sign:*
_Appearance of narrowing of the subglottic tracheal lumen that may be seen with croup._
*🖌Stepladder Sign:*
_US sign that may be seen in patients with intracapsular breast implant rupture._
*🖍Straight Line Sign:*
_PET sign of peritoneal carcinomatosis._
*🖌Strawberry skull:*
_Appearance of skull that may be seen on fetal US with Trisomy 18._
*🖍String Of Beads:*
- in renal artery and chronic pancreatitis (chain of lakes)
_Appearance of multiple stenosis that mMulvey-seen in patients with fibromuscular dysplasia._
_Also small bowel obstruction !_
*🖌String Sign Of Pylorus Stenosis:*
_Appearance of congenital hypertrophic pyloric stenosis that may be seen on upper GI series._
*_Kantor-Crohns TB_*
_Also pseudobilroth app- crohn's_
*🖍Stripe Sign:*
_On a V/Q scan_
_Subpleural activity in a region of decreased pulmonary perfusion. Sign is used to rule out pulmonary embolism._
*🖌Superior Triangle Sign:*
_Sign that may be seen with right lower lobe atelectasis._
*🖍Talar Beak:*
_Sign of talocalcaneal tarsal coalition._
*🖌Tau Sign:*
_MRI sign of a persistent trigeminal artery._
*🖍Telephone Receiver Shaped Femora:*
_Appearance of femora that can be seen with thanatophoric dysplasia. (Dwarfism)._
*🖌Terry Thomas Sign:*
_Sign of scapholunate ligament disruption (also see David Letterman sign)._
*🖍Throckmorton's Sign:*
_The penis points to the pathology._
*🖌Thumb Sign:*
_Classic lateral radiographic finding for epiglotitis. (Swollen)._
*🖍Thumb Printing:*
_Sign of bowel wall thickening seen with entities such as ischemic bowel, diverticulitis, Crohn's disease, and ulcerative colitis._
*🖌Tip Of The Iceberg Sign:*
_Ultrasound sign that may be seen with mature cystic teratomas._
*🖍Tit Sign:*
_Appearance of hypertrophic pyloric stenosis that may be seen on upper GI series._
*🖌Tram-Track Sign:*
(chest)
_Sign of bronchiectasis._
*🖍Tram-Track Sign:*
(neuro)
_Sign of optic nerve meningioma._
*🖌Tram-Track Sign:*
(neuro)
_Appearance of cortical calcifications that may be seen with Sturge-Weber syndrome._
*🖍Tram-Track Sign:*
(nucs)
_Bone scan finding that may be seen with hypertrophic osteoarthropathy._
*🖌Tree In Bud:*
_Nonspecific pulmonary pattern seen on thin-section computed tomography. (Tuberculosis, immunocompromised- pneumocystis carinii)._
*🖍Trident Hand:*
_Appearance of hands that may be seen with achondroplasia._
*🖌Trough Line Sign:*
_In posterior shoulder dislocation, frontal radiographs reveal two nearly parallel lines in the superomedial aspect of the humeral head._
*🖍Candle Guttering:*
_Tuberous Sclerosis._
*🖌Supependymal Calcification:*
giant cell astrocytoma (foramen of monro)
_Lung app- honeycomb._
_Heart- rhabdomyoma._
*🖍Umbrella Sign:*
_Sign of a ruptured globe._
*🖌Wall-Echo-Shadow Sign (WES):*
_Sign of chronic cholelithiasis on US when the gallbladder is filled with calculi. (GB not seen- due to fibrosis). _
*🖍Waterlily Sign:* contained (endocyst) rupture-chest xray
_Sign of hydatid cyst._
*🖌Watering Can Perineum:*
_Sign of fistula formation secondary to periurethral abscess._
*🖍Wave Sign Of Mulvey:*
_Sign produced by lateral indentation of thymus by adjacent anterior ribs. This sign in seen in the pediatric population and represents a normal thymus._
*🖌Whirlpool Sign:*
_US sign of midgut volvulus in a neonate._
*🖍Wimberger's Ring Sign:*
_A circular, opaque radiologic shadow surroundsing epiphyseal centers of ossification in patients with scurvy._
*🖌Wimberger's Sign:*
_Symmetrical lesions (eroded) seen in the proximal tibial medial metaphysis in patient's with congenital syphilis._
*🖍Westermark's Sign:* (focal) - IOC- Multi slice CT preferred.
_Regional pulmonary oligemia secondary to pulmonary embolism. (Palla's- descending right pulmonary artery dilation)._
*🖌Winking Owl Sign:* - xray- vertebrae mets
_Absent winking sign- DVT compression Usg Hampton's sign, usually normal X-ray)._
*🖍Yin-Yang Sign:*
_Swirling blood flow pattern within a pseudoaneurysm._
*🖌Yo-Yo On A String Sign:*
_MRI appearance of a Stener lesion. (see Gamekeeper thumb)._
Posts
