Paracolic Gutter Ct Scan

A less obvious medial paracolic gutter may be formed especially on the right side if the colon possesses a short mesentery for part of its length.

Paracolic gutter ct scan.

Ct scan obtained through lower abdomen shows multilocular cystic mass asterisk. The right paracolic gutter is larger than the left and communicates freely with the right subphrenic space. Although internal hernias are uncommon they may be included in the differential diagnosis in cases of intestinal obstruction especially in the absence of a history of abdominal surgery or trauma. Fluid on ct is relatively hypodense dark on ct.

The left medial paracolic gutter. The paracolic spaces gutters are located lateral to the peritoneal reflections of the left and right sides of the colon fig 8a. Abstract computed tomography ct plays an important role in diagnosis of acute intestinal obstruction and planning of surgical treatment. The right lateral gutter is much larger and allows for greater drainage than the left gutter.

Its origin lies on the right side origin of the right paracolic gutter lies at the ascending portion of the colon at the right hepatic flexure or the point where the ascending colon turns at a right angle to form the transverse colon. On computed tomography without intravenous contrast material splenosis implants are as dense as the hepatic parenchyma and well circumscribed while their enhancement pattern mimics that of healthy spleen parenchyma and they are heterogeneous in the arterial phase becoming homogeneous during the portal phase. The right lateral paracolic gutter runs along the right side of the cavity of the abdomen. Dense fluid may suggest hemoperitoneum especially in the context of trauma.

Ascites is present in right paracolic gutter. The right lateral paracolic gutter. Fluid may sit within the peritoneal space or paracolic gutters or may be interposed between bowel loops or around solid organs e g. There is not usually an associated effusion of ascitic fluid.

View larger version 123k fig. Both paracolic gutters run laterally along the back side of the abdominal wall and are situated between the abdominal wall and the outer margin of the colon. The right and left paracolic gutters are peritoneal recesses on the posterior abdominal wall lying alongside the ascending and descending colon. Paracolic gutters help keep infectious material away from the body s internal organs.

The main paracolic gutter lies lateral to the colon on each side.