" /> Pseudomyxoma Peritonei - CISMeF





Preferred Label : Pseudomyxoma Peritonei;

NCIt synonyms : Well Differentiated Peritoneal Mucinous Adenocarcinoma; Gelatinous Ascites; Mucinous Ascites; Peritoneal Cavity Pseudomyxoma Peritonei; Myxoma Peritonei;

NCIt definition : A usually well differentiated mucinous adenocarcinoma of the peritoneum. The majority of cases represent tumor spread from a primary low grade mucinous neoplasm of the appendix. Cases of pseudomyxoma peritonei associated with mucinous adenocarcinomas of the gallbladder, stomach, colon, rectum, pancreas, lung, breast, and fallopian tubes have also been reported. In the past, the ovary has been considered as a common primary site associated with pseudomyxoma peritonei. However, there is recent evidence based on immunohistochemistry and molecular genetic analysis suggesting that most cases of pseudomyxoma peritonei probably represent metastasis from an appendiceal and not ovarian primary.;

Alternative definition : NCI-GLOSS: A build-up of mucus in the peritoneal cavity. The mucus may come from ruptured ovarian cysts, from the appendix, or from other abdominal tissues. Mucus-secreting cells may attach to the peritoneal lining and continue to secrete mucus.;

Neoplastic status : Malignant;

ICD-O code : 8480/6;

Codes from synonyms : CDR0000044256;

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29/04/2024


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