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1. a mass of epithelial mucus resembling a myxoma.
pseudomyxoma peritone´i the presence in the peritoneal cavity of mucoid material from a ruptured ovarian cyst or a ruptured mucocele of the appendix.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
the accumulation of large quantities of mucinous material in the peritoneal cavity, as a result of malignant cystic neoplasms of the ovary or appendix; it will frequently persist because of the growth of mucus-secreting cells scattered on serosal surfaces.
Synonym(s): gelatinous ascites
Farlex Partner Medical Dictionary © Farlex 2012
pseudomyxoma peritoneiA rare condition characterized by poorly-circumscribed gelatinous masses filled with malignant mucin-secreting cells; 45% of PPs arise from the ovary, usually in a mucinous cystadenocarcinoma; 30% are due to mucin-producing CA of the appendix Prognosis Mucinous ovarian cystadenocarcinomas of uncertain malignant potential–'borderline' tumors have a 10-yr survival of 95%; ovarian cystadenocarcinomas with pseudomyxoma have a 10-yr survival of 40%
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
pseu·do·myx·oma pe·ri·to·ne·i(sū'dō-miks-ō'mă per'i-tō'nē-ī)
The accumulation of large quantities of mucoid or mucinous material in the peritoneal cavity, either as a result of rupture of a mucocele of the appendix or rupture of benign or malignant cystic neoplasms of the ovary.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012