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Insights into Imaging
Fig. 1 | Insights into Imaging

Fig. 1

From: Primary and secondary tumors of the peritoneum: key imaging features and differential diagnosis with surgical and pathological correlation

Fig. 1

Flow dynamics of peritoneal fluid. a Illustration of the abdominal cavity in coronal plane, depicting the peritoneal ligaments and mesenteries and the pathways of ascitic fluid (blue arrows). Initially, the fluid is collected in the pelvic recesses due to gravity. Then, and due to a pressure gradient, it flows upward mainly along the right paracolic gutter toward the Morison pouch and the right subphrenic space. The fluid also flows upward along the left paracolic gutter but to a lesser degree, as it is a shallow and discontinuous space limited superiorly by the phrenicocolic ligament. b Coronal CT image of a patient with peritoneal dissemination secondary to an advanced gastric cancer, showing the predominant distribution of ascitic fluid in the pelvis, right paracolic gutter and right subphrenic space

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