摘要

<正>Key facts Definition: Massive gelatinous accumulations often arranged in locular fashion in peritoneal cavity.Classic imaging appearance: Loculated collections of mucinous fluid in peritoneal cavity. Pseudomyxoma peritonei is most commonly associated with benign, borderline, or malignant mucinous tumors of the ovary or appendix.Synchronous ovarian and appendiceal tumors are present in 90% of patients.