Radiology Notes

My notes during radiology residency, fellowship, and beyond…

Archive for the ‘buzz’ Category

Pediatric Buzz Words

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  • double bubble = duodenal atresia = Down syndrome
  • lemon sign/banana sign = Chiari II malformation
  • 11 rib pairs = Down syndrome
  • rib notching = coarctation
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Written by lmwong

February 1, 2010 at 3:02 pm

Posted in buzz, pediatrics

GI Buzz Word

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  • central scar = FNH
  • Light bulb = pheochromocytoma
  • Corkscrew = malrotation midgut volvulus
  • Leadpipe colon = ulcerative colitis
  • Featureless bowel = Graft versus Host
  • Cauliflower liver mets = colon mets
  • bird beak esophagus = achalasia
  • plaquelike mucosa = candidiasis esophagitis
  • cloverleaf deformity = healed duodenal ulcer
  • spokewheel mass in mesentery = carcinoid
  • sunburst angiography = mesenteric carcinoid
  • string sign ileium = Crohn’s disease
  • Aphthoid/cobblestone ulcers = Crohn’s disease
  • ribbon bowel = graft-vs-host disease
  • string of beads biliary system = sclerosing cholangitis
  • comet tail artifact in GB = adenomyomatosis

Written by lmwong

February 1, 2010 at 3:01 pm

Posted in abdomen, buzz, gi

Neuro, Head and Neck Buzz Words

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  • leading edge enhancement demyelination = ADL
  • Longhorn lateral ventricles = absent corpus callosum
  • Peg-like tonsils = Chiari I malformation
  • heart shaped cerebellum/banana sign = Chiari II malformation
  • lemon sign = Chiari II malformation
  • Batwing frontal horns = Chiari II malformation
  • Trident anterior horns = Corpus Callosum agenesis
  • Dural tail/pancake spread = meningioma
  • GM lining ventricle = hetertopia
  • Dawson’s fingers = MS
  • exlpoded clacifications = pineoblastoma
  • bilateral acoustic neuromas = NF2
  • ice cream cone sign = acoustic schwannoma
  • pial (mural) nodule = cerebellar hemangioblastoma
  • frontotemporal atrophy = Pick’s disease
  • boxcar frontal horns = Huntington’s chorea
  • Plaquelike dural thickening = neurosarcoidosis
  • Mickey Mouse ears = ballooning of temporal horns = hydrocephalus
  • white matter disease post viral/vaccination = ADEM
  • white matter disease + macrocephaly = Alexanders or Canavans disease
  • Monoventricle = Alobar Holoprosencephaly
  • Ipsilateral skull thickening = Dyke Davidoff (cerebral hemiatrophy)
  • smooth brain = lissencephaly
  • keyhole deformity = Dandy-Walker variant
  • multiple hemangioblastomas = von Hippel Lindau
  • tramtrack cortical calcification = Sturge Weber
  • Gibbus deformity = Pott’s disease
  • cap sign = hemosiderin at ends of tumor = spinal ependymoma
  • popcorn lesion = Cavernous Malformation
  • Puff of Smoke = Moyamoya
  • comet-tail artifacts = colloid cysts
  • tram-track cortical calcification = Sturge-Weber

Written by lmwong

February 1, 2010 at 2:59 pm

Posted in buzz, neuro

Chest Buzz Words

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  • split pleura sign = empyema
  • Crazy paving = alveolar proteinosis
  • Bibasilar Honeycombing with traction bronchiectesis = UIP
  • Reverse indentation of esophagus = double aortic arch
  • Bronchovascular cyst = DIP
  • Head cheese sign = hypersensiivty pneumonitis
  • micronodular ground glass opacity = hypersensitivity pneumonitis
  • egg shell calcification of lymph nodes = sarcoid
  • ribbon deformity of ribs = neurofibromatosis
  • mosaic pattern = bronchiolitis obliterans
  • tulip bulb aorta = cystic medial necrosis
  • tree-bark calcification aorta = syphilitic aneurysm
  • 3 sign = coartation of aorta
  • boot-shaped heart = Tetralogy of Fallot
  • square-shaped heart = Ebstein’s anomaly
  • egg-on-string heart = transposition of great vessels
  • snowman heart = Total Anomalous Pulmonary Venous Return
  • flow-metabolism mismatch (NM) = viable myocardium
  • delayed hyperenhancement (MRI) = myocardial ischemia
  • atrialization of the right ventricle = Ebstein’s Anomaly
  • aortic nipple = left superior intercostal vein

Written by lmwong

January 16, 2010 at 10:54 am

Posted in buzz, chest

GU Buzz Words

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  • nubbin sign = testicular torsion on DTPA NM scan
  • Cobra shaped ureter = ureterocele
  • Tip of the iceberg = dermoid
  • paintbrush striations (IVP) = medullary sponge kidney
  • string of beads renal artery = fibromuscular dysplasia
  • putty kidney = tuberculosis of kidney
  • staghorn calculus = xanthogranulomatous pyelonephritis (XGP)
  • multiple renal aneurysms = polyarteritis nodosa

Written by lmwong

January 16, 2010 at 10:52 am

Posted in buzz, GU

MSK Buzz Words

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  • Double Denisty NM = Osteoid Osteoma
  • Double stripe or Parallel tract sign on long bone = hypertrophic pulmonary osteoarthropathy
  • central nidus = osteoid osteoma
  • Pie shaped lunate = perilunate dislocation
  • Dripping Candle wax = melorheaostosis
  • Serpiginous tram track bone = bone infarcts
  • H shaped vertebrae (Lincoln logs) = sicke cell disease
  • Subependymal calcfication = tuberous sclerosis
  • Bilateral angiomyolipomas = tuberous sclerosis
  • Splaying of posterior elements = spinal dysraphism
  • Anteater sign = calcaneonavicular coalition
  • Talar beaking = talocalcaneal coalition
  • Fallen fragment = solitary bone cyst with fx
  • Bone pain worse at night, better with asprin = osteiod osteoma
  • Bubbly cystic = enchondroma
  • Terry Thomas sign = scapholunate dislocation (ligament disruption)
  • Ground glass = fibrous dysplasia
  • Anterior tibial bowing = Campanacci syndrome
  • Soap bubble = osteoblastoma
  • Cloud like osteoid matrix, suburst, Codman = intramedullary osteosarcoma
  • Cauliflower = parosteal osteosarcoma
  • Popcorn calcification = osteosarcoma
  • Candy cane bone = NF1
  • double PCL sign = bucket-handle tear of medial meniscus
  • kissing contusion = ACL tear
  • pencil-in-cup deformity = psoriatic arthritis
  • superscan = skeletal metastasis on MDP bone scan
  • beveled-edge skull = EG (Langerhans’ cell histiocytosis)
  • Corduroy lesion = vertebral hemangioma
  • subperiosteal resorption = hyperparathyroidism
  • clover leaf skull = achondroplasia
  • bone-within-bone = osteopetrosis
  • gull wing DIP joint = inflammatory arthritis
  • marginal erosions = gout
  • periarticular osteoporosis = rheumatoid arthtritis
  • 11 rib pairs = Down syndrome
  • rib notching = coarctation
  • spoke wheel = osseous hemangioma (esp. skull)
  • polka-dot pattern = vertebral hemangioma
  • radial aplasia = Fanconi’s Anemia
  • hair on end skull = hemolytic anemias or thalassemia

Written by lmwong

December 17, 2009 at 10:48 pm

Posted in buzz, msk