Paracolic Gutter Metastasis

Spread of deposits to the right subhepatic and subphrenic spaces is also frequently seen especially in ovarian cancer.

Paracolic gutter metastasis.

Paracolic gutters refer to open areas between the wall of the abdomen and the colon. 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. A less obvious medial paracolic gutter may be formed especially on the right side if the colon. Between the outer wall of the colon and back side of the abdominal wall there is an open space known as the paracolic gutter.

The left medial paracolic gutter. In the greater omentum under the right diaphragm in the paracolic gutters bilaterally around the liver and gallbladder in the abdominal cavity. Mucous and attached tumor are usually observed. On ct seeded metastases appear as nodular or plaque like soft tissue masses in association with ascites.

Almost 90 of patients with ovarian cancer have peritoneal implants at post mortem and 60 70 have ascites 24 25. The right paracolic gutter is continuous with the perisplenic space or area around the spleen. The right paracolic gutter. The main paracolic gutter lies lateral to the colon on each side.

The left gutter runs between the descending colon and the abdominal wall and just like the right gutter empties into the lower abdomen and pelvic area.