Gastrointestinal Tract Imaging Flashcards
Most common cause of toxic megacolon
Ulcerative colitis
Most common cause of large bowel obstruction in elderly and bedridden patients
Fecal impaction
Most common type of abdominal wall hernia
Inguinal hernia
Most common abnormality by hepatic imaging
Fatty liver
Most common malignant mass in liver
Metastasis
Most common hypervascular lesion in normal liver
Hemangioma
Adenoma
Metastases
Most common hypervascular lesion in cirrhotic liver
Hepatocellular carcinoma
Dysplastic nodule
Most common benign liver neoplasm
Cavernous hemangioma
Most common primary malignancy of the liver
Hepatocellular carcinoma
Most common type of choledochochal cyst
Type I
Most common primary tumor associated with intraluminal biliary metastases
Colorectal cancers
Most common malignant tumor involving the spleen
Lymphoma
Most common primary neoplasm of the spleen
Hemangioma
Most common malignancy arising in the spleen
Angiosarcoma
Most common type of hiatal hernia
Sliding hiatal hernia
Most common cause of esophageal stricture
Reflux esophagitis (GERD)
Fibrosis
Most common pattern of esophageal carcinoma
Annular constricting
Most common benign neoplasm of the esophagus
Leiomyoma
Most common form of gastritis
H. pylori gastritis
Most common cause of phlegmonous gastritis
A-Hemolytic streptococci
Most common location of neoplasm in the stomach
Distal stomach
Most common location of malignant tumor in the duodenum
Periampullary region
Most common location of gastrointestinal tumors in the duodenum
2nd and 3rd portion of the duodenum
Most common neoplasm of the small intestine
Carcinoid tumor
Most common site of involvement of amyloidosis in the GI tract
Small intestine
Most common location of small bowel diverticula
Jejunum
Most common malignancy in the GI tract
Colorectal adenocarcinoma
Most common submucosal tumor of the colon
Lipoma
Most common tumor of the appendix
Carcinoid tumor
Most common location for carcinoid tumor
Appendix
Most common sarcoma in the retroperitoneum
Liposarcoma
Most common site of abscess formation
Pelvis
Most common imaging pattern of serous cystadenoma
Honeycomb microcysts with innumberable small cyst 1mm to 2 cm size (microcystic adenoma)
Most common site of involvement of primary GI lymphoma
Stomach
Most common location of Peutz-Jeghers syndrome
Small intestine
Most common location of Juvenile GI polyposis
Colon
Most common solid mesenteric mass
Lymphoma
Most common location of diverticulosis
Sigmoid colon
