Fluid In The Peritoneal Cavity (Abdomen and Pelvis)

Question 1

Conventional radiographic diagnosis of ascites requires at least how many mL of fluid to be present?

Answer 1

500 mL

Question 2

Serous ascites has attenuation values of?

Answer 2

Near water (-10 to +10 HU)

Question 3

Attenuation of exudative ascites is usually?

Answer 3

Above +15 HU

Question 4

Attenuation of acute bleeding into the peritoneal cavity averages to?

Answer 4

+45 H

Question 5

This refers to gelatinous ascites that occurs as a result of mucin-producing cells.

Answer 5

Pseudomyxoma peritonei

Question 6

Pseudomyxoma peritonei results from?

Answer 6

Rupture of appendices mucocele, intraperitoneal spread of benign or mucinous cysts of the ovary, or mucinous adenocarcinoma of the colon or rectum.

Question 7

Conventional radiographs of pseudomyxoma peritonei may demonstrate what finding?

Answer 7

Punctuate or ringlike calcifications scattered through the peritoneal cavity.

Question 8

CT scan finding of pseudomyxoma peritonei may demonstrate what?

Answer 8

Mottled densities, septations, and calcifications within the fluid.