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55 Cards in this Set
- Front
- Back
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Esophageal Diffuse nodules/plaques
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Reflux
Candida Glycogen acanthosis Superficial spreading CA Cowden's disease |
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Esophageal Localized nodules/plaques
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Candida
Superficial spreading CA Barretts |
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Esophageal Ulcers
Distal Small, mid Giant |
Distal-reflux
Small, mid- herpes, drugs (Doxycycline) Giant- CMV, HIV, KCL |
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Esophageal thickened folds
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Esophagitis
Varices Varicoid CA |
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Esophageal strictures
High Low Diffuse |
High- Barretts, radiation, primary CA or met
Low- Peptic, lower ring, Barretts Diffuse- Lye or caustic ingestion |
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Esophageal filling defects
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Tumor- CA (SSC, Adeno), GIST, polyp (inflamm or fibrovascular), lymphoma, KS, met
Varices Extrinsic mass Foreign body |
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Esophageal narrowing
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Schatzki ring
Web Esophagitis Tumor NG tube Post op Achalasia Pseudoachalasia |
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Gastric narrowing
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Tumor- CA, lymphoma, mets
Inflammatory- PUD, atrophic gastritis, caustic, XRT, Crohns, TB, EG, extrinsic |
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Gastric filling defect
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Malignant- adenoca, lymphoma, GIST, met
Benign- GIST, polyp, varices, bezoar, ectopic pancreas, duplication, extrinsic mass |
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Gastric nodular folds
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Smooth- Chrokite canada, FAP, Gardners
Irregular- crohns, amyloid, others |
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Thick gastric folds
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nl
Tumor- adenoca, lymphoma, mets Inflammatory- gastritis, ZE, menetriers (hypertrophic gastritis, hypoproteinemia, edema, achloridia), crohns, pancreatitis, eosinophilic gastritis, amyloid, varices |
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Gastric ulcers
benign features |
Round
Smooth radiating folds Smooth symmetrical mound of edema with central crater Protrudes beyond expected location of stomach Lesser curvature Posterior Hamptons line |
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Gastric ulcers
malignant features |
Irregular crater in tumor mass
Nodular radiating folds Unusual location ( high in greater curve) Rigidity of adjacent wall Carman meniscus |
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Gastric volvulus
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Organoaxial- rotates around longitudinal axis
Mesenteroaxial- rotates around gastrohepatic ligament (lesser omentum), more prone to ischemia |
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Duodenal filling defect
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Tumor- polyp, adenoma, gist, lipoma, adenoca, lymphoma, ampullary ca, met, kaposi
Inflam/infect- brunner's gland hyperplasia Congenital_ duplication cyst, choledochocele, heterotopic gastric mucosa, ectopic pancreatic rest trauma- hematoma |
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Duodenal narrowing/obstruction
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Tumor- adenoca, lymphoma, met
Inflamm- ulcer, crohns, tb, pancreatitis, XRT Congenital- SMA syndrome Trauma- hematoma, AAA |
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Duodenal fold thickening
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Tumor- lymphoma
Inflamm-PUD, ZE, pnacreatitis, cholecystitis, crohns, infection, bruner gland hyperplasia, whipples, amyloid, eosinophilic enteritis Vascular- hematoma, ischemia, varices, CRF, edema |
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Small bowel mucosa/submucosa mass
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benign- GIST, adenoma, lipoma, hemangioma, NF
Malignant- Adeno ca, lymphoma, carcinoid, sarcoma, met (lung breast melanoma) |
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Multiple small bowel masses
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Polyposis syndromes- PJ, Gardners, FAP, Cronkite canada
Benign- hmenagioma, GIST, adenomatous polyp Malig- mets, carcinoid, lymphoma Foreign bodies Gallstones Parasites |
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Normal small bowel
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Diameter- <2.5 cm
Fold thickness<2.5 mm Fold/inch- jejunum (4-7), ileum (2-4) |
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Small bowel Dilated
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Sprue
Obstruction/ileus Scleroderma |
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Small bowel regular thickening
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Hemmorrhage
Edema Ischemia Inflammation Vasculitis |
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Small bowel irregular thickening
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Whipple
Amyloid Lymphoma/leukemia Eosinophilia Mastocytosis Crohns |
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Stomach and small bowel involvement
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Menetriers
ZE Whipples Amyloid Eosinophilic Lymphoma |
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Terminal ileal disease
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Crohns
UC (backwash ileitis) Carcinoid Lymphoma Yersinia, TB Salmonella CMV |
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Multiple colonic filling defects
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Tumor- adenomas, polyposis syndromes, adenocas, mets, lymphoma
Inflamm- IBD, Colitis, amebiasis, schistosomiasis, pneumatosis, lymphoid hyperplasia |
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Bulls eye in colon
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Melanoma
Lymphoma Carcinoma Kaposi Carcinoid |
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Colon ulcers
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Crohns
Amebiasis TB Shigellosis Yersinia CMV Behcet Ischemia |
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Extrinsic colonic masses
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Tumor- peritoneal mets, peritoneal carcinomatosis, pseudomyxoma, endometriosis
Inflamm- appy, cholecystitis, pancreatitis, PID/TOA |
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Intrapeitoneal seeding- Where most common?
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Anterior border of rectosigmoid (50%)
Medieal border of cecum (40%) Superior border of sigmoid (20%) R lateral pericolic gutter (10%) |
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Pneumatosis
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Pneumatosis intestinalis
Pneumatosis cystoides intestinalis Pneumatosis coli |
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Carcinomatosis
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Tumors- ovarian, mucinous colon, lymphoma, gastric, pancreas, mucocele, mesothelilioma, pseudomyxoma peritonei
Infection- TB |
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Polyposis
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FAP- Colon 100%, stomach 5%, Sb<5%, CA 100%
Gardners- Colon 100%, stomach 5%, sb<5%, colon ca 100%, desmoid, osteomas Peutzjegher- SB95%, colon 30%, Stomach 25%, hamartomatous cowdens- colon, esophagus, breast, thyroid, hamartomas Chronkitecanada- stomach, hamartomatous Turcots- Brain ca |
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Toxic megacolon
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UC
Crohns Amebic Ischemic Pseudomembranous |
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Thumbprinting of colon
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Ischemia
Hemorrhage - diathesis, trauma, HUS Vasculitis Colitis- infection, pseudomembranous Neoplastic- lymphoma, mets |
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Cavitary mass in bowel
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NHL
GIST Met- melanoma, lung, RCC (rare) Abscess Duplication cyst |
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Colon cutoff sign
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Pancreatitis
CA Ischemic bowel |
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Colitis in AIDS
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CMV- cecum thick
Histo MAI TB Bacillary angiomatosis KS Lymphoma Pseudomembranous |
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Focal liver lesion
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Tumor- cyst, hemangioma, biliary cystadenoma, cystadenocarcinoma, FNH, adenoma, regen nodule, HCC, met
Inflamm,infec- pyogenic, fungal, parasitic congenital- focal fat Trauma- hematoma, bilioma |
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Tumors with cystic liver mets
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Ovarian
Small cell lung Choriocarcinoma Endometrial ca Gastric Sarcoma |
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Hypervascular liver mets
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carcinoid
Pancreatic islet cell GIST Melanoma RCC Choriocarcinoma Thyroid |
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Calcified liver mets
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Mucinous adenocarcinomas
Ovary Colon Stomach Breast |
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Bright T1 liver lesions
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Fatty metamorphosis- HCC, HA
Dysplastic nodule - fat Melanoma met Hemorrhagic tumor- HCC, HA, met Post gad Pseudointense- parenchyma dark (iron) Cyst with hemorrhage or protein |
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Light bulb liver lesions
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hemangioma
cyst Hypervascular tumor HCC |
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Target liver lesion
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Met (peritumoral edema)
HCC lymphoma Abscess Adenoma |
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Hyperattenuation of noncon CT
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Hemochromatosis
Amiodarone Thortrast Chemotherapy (altered hepatic Fe metabolism) Glycogen storage dz Gold Arsenic poisonsing |
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Hemochromatosis
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Genetic- Spleen spared
Acquired- Spleen infiltrated |
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Liver capsular retraction
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Cirrhrosis
Cholangioca Hemangioendothelioma (adult type) |
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Diffuse fatty liver
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DM
Obesity pregnancy Protein malnutrition TPN Glycogen storage disease CF Steroids Alcohol Chemotherapy |
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Nutmeg liver
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R heart failure
Budd chiari IVC thrombosis cirrhosis Trauma |
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Bile duct wall thickening
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primary sclerosing cholangitis
Cholangiocarcinoma HIV Choledocholithiasis Pancreatitis Ascending cholangitis Oreintal cholangiohepatisis |
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Cholangitis
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Ascending
Parasitic Recurrent pyogenic (Oreintal) PSC (a/w UC, DDX HIV) HIV Primary biliary cirrhosis (90% F, small IH ducts (prunded cholangiogram), No Eh disease except LAN and antimitochondrial antibody |
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Malignant biliary obstruction
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Hilum - cholangioca, GB, mets (colon, breast, lung)
Mid- pancreatic, lymphoma Distal - ampullary ca |
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Pancreatic cystic lesions
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Pseudocyst
Cystic neoplasm - microcystic, macrocystic, SAPMT, IPMT VHL ADPCKD |
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Spleen
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Cyst
Hematoma Infarct Hemagioma Abscess Lymphoma Mets KS Candida/PCP/MAI Sarcoid |
