Gastrointestinal Radiology 3

Question 1

3 types of anal canal malignant neoplasms?

Answer 1

Adenocarcinoma. Squamous cell carcinoma. Cloacogenic carcinoma (women, worse prognosis).

Question 2

Storage disease associated with splenomegaly?

Answer 2

Gaucher’s disease. Amyloidosis. Hemochromatosis. Niemann-Pick disease.

Question 3

Pancreatic cystic neoplasm associated with von-Hippel Lindau disease?

Answer 3

Microcystic adenoma.

Question 4

What liver malignancies may calcify?

Answer 4

Fibrolamellar HCC. Hepatoblastoma. Intrahepatic cholangiocarcinoma. Metastases.

Question 5

Pathognomonic finding for cavernous hemangiomas of the colon?

Answer 5

Phleboliths.

Question 6

What is the most common location of Burkitt’s lymphoma in North America?

Answer 6

Distal ileum.

Question 7

Longitudinal dimension of the spleen should not exceed?

Answer 7

12 - 14 cm

Question 8

Congenital splenic cysts which contain an epithelial lining?

Answer 8

Accessory (supernumerary) splenic tissue at hilum not post-traumatic (splenosis).

Question 9

Granulomatous disease of the spleen, major finding and common causes?

Answer 9

Multiple punctate calcifications. Histoplasmosis. Tuberculosis. Sarcoidosis.

Question 10

Fungal infections of the spleen, most common finding?

Answer 10

Microabscesses, multiple small low densities.

Question 11

Benign splenic neoplasms (2)?

Answer 11

Lymphangioma. Hemangioma.

Question 12

Malignant splenic neoplasms?

Answer 12

Hemangiosarcoma. Angiosarcoma (thorotrast 1950s). Kaposi sarcoma. Lymphoma (AIDS and non-AIDS). Leukemia.

Question 13

Normal splenic finding may mimic a splenic laceration?

Answer 13

Splenic cleft.

Question 14

Splenic artery aneurysm demographics?.

Answer 14

Women (medial dysplasia) rupture risk at pregnancy. Men (atherosclerosis).

Question 15

Sicke cell disease’s eventual effect on spleen?

Answer 15

Autosplenectomy, small, densely calcified splenic remnant.

Question 16

Longitudinal dimension of the spleen should not exceed?

Answer 16

12 - 14 cm.

Question 17

Maximal size of pancreatic duct in adults and elderly?

Answer 17

3 mm and 5 mm.

Question 18

Common sites of ectopic pancreatic tissue?

Answer 18

walls of stomach, duodenum, and Meckel diverticulum.

Question 19

Fatty replacement of the pancreas is common in?

Answer 19

diabetes. obesity. elderly. Cystic fibrosis.

Question 20

Pancreatitis complications?

Answer 20

Necrotizing pancreatitis. Hemorrhagic pancreatitis. Thrombosis (splenic, portal, mesenteric veins). Pseudoaneurysms. Pseudocysts. Ascites. Abscess.

Question 21

Pancreatic endocrine neoplasms?

Answer 21

Insulinomas. Gastrinomas. VIPomas. Somatostatinomas. Glucagonomas.

Question 22

Pancreatic exocrine neoplasms?

Answer 22

Adenocarcinoma. Cystic pancreatic neoplasms (microcystic adenoma, mucinous cystic neoplasms). Cystic teratomas.

Question 23

Interposition of the hepatic flexure between the dome of the liver and the right hemidiaphragm?

Answer 23

Chilaiditi sign.

Question 24

Extracolonic sequelae of ulcerative colitis?

Answer 24

Hepatitis. Sclerosing cholangitis. Cholangiocarcinoma. Sacroilitis. Ankylosing spondylitis.

Question 25

Gardner syndrome?

Answer 25

Intestinal adenomatous polyps with osteomas of the skull or long bones. Epidermoid cysts. Fibromatosis.

Question 26

Turcot syndrome?

Answer 26

Medulloblastoma. Glioblastoma multiforme. Family polyposis.