Communications of the pelvic extraperitoneal spaces and their relation to the abdominal extraperitoneal spaces: helical CT cadaver study with pelvic extraperitoneal injections.

Abstract

Intercommunication of the various extraperitoneal compartments occurs predominantly via the fascial-defined spaces, which contain mainly adipose tissue, but potential conduits exist through the communicating neurovascular structures where the fascia is anatomically perforated.