GI Flashcards
Hyperdense liver
Iron deposition
Amiodarone therapy
Glycogen storage disease
Nodular liver contour
Cirrhosis
Treated Mets –> Pseudocirrhosis -> treated breast, lung, colorectal mets
Budd-Chiari Syndrome - chronic hepatic venous occlusive disease
Schistosome –> turtleback cals due to calcified eggs along portal tracts
Confluent hepatic fibrosis
Oesophageal diverticulum
Prox oesopageal pulsion diverticulum : Zenker (midline defect, abv crico
muscle) ; Killian-Jamieson (lateral defect, at crico muscle
Distal oesophageal pulsion diverticulum
Mid oesophageal traction diverticulum
Intramural pseudodiverticulosis –> ass with dysmotility / strictures
Solitary/Mulitple hypointense, hypovascular liver mass
Cyst (inc biliary hamartoma & cystadenoma)
Solitary mets –> peripheral rim enhancement
Abscess
Peripheral cholangiocarcinoma –> ass w/ overlying capsular retraction
CHILD - RUQ Cystic Mass
Choledocal anomaly
Pancreatic pseudocyst
GI duplication cyst / diverticulum
Ovarian cyst
Mesenteric cyst
Oesophageal submucosal mass/thickened folds
Varices
Reflux oesophagitis
Varicoid oesophageal carcinoma
Lymphoma
Oesophageal dilatation
Achalasia –> primary vs secondary (chagas)
Scleroderma
Oesophageal/gastric carcinoma
Oesophagitis with stricture
Post-surgical changes
Oesophageal pseudodiverticula
Reflux oesophagitis
Candida oesophagitis
Superficial spreading carcinoma
Drug-induced oesophagitis
Oesophageal Ulcers
Reflux oesopahgitis
Viral oesophagitis. -> CMV, HIV, HSV
Drug-induced oesophagitis
caustic oesophagiitis
oesophageal carcinoma
Solid Pancreatic mass
Pancreatic Adenocarcinoma
Islet cell Tumour –> hypervascualr
Solid and papillary epithelial neoplasm
Lymphoma
Mets
Linitis Plastica –> diffuse infiltrative gastric wall thickening
Gastric carcinoma
Metastatic disease
Lymphoma
Crohn’s disease –> ram horn appearance
Gastric Ulcer
Peptic ulcer disease
Gastric carcinoma
Lymphoma
Metastatic disease
Zollinger-Ellison syndrome
Gastric Fold Thickening
Gastritis
Gastric Carcinoma
Lymphoma
Metastatic disease
Menetrier disease
Caecal Mass
Appendicitis/appendiceal Mass
Caecal/ appendice carcinoma
Mucocoele of the Appendix –> if ruptures leads to pseudomyxoma peritonei
Lymphoma
Adnexal Mass
Mesenteric Mass
Metastatic disease
Carcinoid tumour
Desmoid tumour / fibrosing mediastinitis –> ass with FAP, cranial osteomas –> Gardner’s syndrome
Reactive lympadenoapthy –> TB, MAI, Whipple give mesenteric adenopathhy with central low attenuation
Abdominal mesothelioma
Terminal ileal wall thickening
IBD
Infection
lymphoma
ischaemia
mets
Colonic wall thickening
Infections
IBD
Colon Ca
Ischaemia
Small bowel wall thickening
Crohn disease
Lymphoma
Bowel wall oedema
Small bowel wall haemorrhage
Mets
Whipple disease - bacterial infection - gives chronic diarrhoea, artralgia, malabsorption
SHORT OESOPHAGEAL STRICTURE
Reflux
Drug-induced
Malignancy
LONG OESOPHAGEAL STRICTURE
Iatrogenic
Caustic
Radiation
Small bowel dilatation
Small bowel obstruction
Adynamic ileus
Celiac sprue –> reversal of jejunal and ill folds, dilution of barium due to hyper secretion, transient intussusception
Scleroderma –> crowding of folds - hidebound bowel, anti mesenteric small bowel pseudosacculations
Cystic pancreatic lesion
Pancreatic pseudocysts
Mutinous cystadenoma –> tail, large >2cm, peripheral calcs, need resection
Serous cystadenoma –> dad, small <2cm with honeycomb appearance, central calcs ; ass with von hippie Lindau
Intraductal papillary mutinous neoplasm
Solid and papillary epithelial neoplasm
Liver mass with central Scar
Haemangioma - discontinuous peripheral nodular enhancement with delayed central filling
FNH - low density central scar which fills on delayed imaging ; hyper intense on t2
HCC
Hepatic adenoma
Hypervascular Mets
Large bowel dilatation
Large bowel obstruction
Volvulus
Colonic pseudo-obstruction
Toxic megacolon
