Paracolic Gutter Metastasis

Their deposition and growth occur at particular sites due to relative stasis of ascitic fluid 1 undersurface of the diaphragm due to negative pressure and capillary force omenta tendency to move toward the areas of peritoneal irritation recto uterine space pouch of douglas right lower quadrant region of ileocaecal junction left lower quadrant superior aspect of sigmoid mesocolon and right paracolic gutter are prone for metastatic implants.

Paracolic gutter metastasis.

The right and left paracolic gutters are peritoneal recesses on the posterior abdominal wall lying alongside the ascending and descending colon. In the greater omentum under the right diaphragm in the paracolic gutters bilaterally around the liver and gallbladder in the abdominal cavity. Etiologically it means a channel adjacent to the abdominal wall. Almost 90 of patients with ovarian cancer have peritoneal implants at post mortem and 60 70 have ascites 24 25.

The left medial paracolic gutter. On ct seeded metastases appear as nodular or plaque like soft tissue masses in association with ascites. The main paracolic gutter lies lateral to the colon on each side. The right paracolic gutter.

Mucous and attached tumor are usually observed. It is also known as sulci paracolic and paracolic recesses. A less obvious medial paracolic gutter may be formed especially on the right side if the colon. Spread of deposits to the right subhepatic and subphrenic spaces is also frequently seen especially in ovarian cancer.

Paracolic gutters refer to open areas between the wall of the abdomen and the colon.