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Culture and Imaging of Ex Vivo Organotypic Pseudomyxoma Peritonei Tumor Slices from Resected Human Tumor Specimens
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Pseudomyxoma peritonei secondary to epithelial appendicular neoplasms. Experience in a non-specialised centre

J Ruiz-Tovar1, V Morales Castiñeiras, D García Teruel

  • 1Department of Surgery, University Hospital Ramón y Cajal, Madrid, Spain. jruiztovar@gmail.com

Clinical & Translational Oncology : Official Publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico
|December 7, 2007
PubMed
Abstract

Insights

Pseudomyxoma peritonei, a rare condition of gelatinous abdominal material, was studied in 11 patients. Optimal treatment requires specialized centers to avoid incomplete resections and improve survival rates.

Area of Science:

  • Gastroenterology
  • Surgical Oncology
  • Pathology

Background:

  • Pseudomyxoma peritonei is a rare condition characterized by gelatinous abdominal collections and mucinous peritoneal implants.
  • It typically arises secondary to a ruptured mucinous tumor, often of ovarian or appendiceal origin.

Purpose of the Study:

  • To review the clinical experience with pseudomyxoma peritonei secondary to appendiceal neoplasms.
  • To analyze diagnostic methods, surgical interventions, and patient outcomes.
  • To provide recommendations for optimal patient management.

Main Methods:

  • Retrospective analysis of 11 cases of pseudomyxoma peritonei secondary to appendiceal epithelial neoplasms over 27 years.
  • Review of clinical manifestations, imaging findings (CT scan), surgical procedures, and pathological results.
  • Survival data analysis, including median survival and 5-year survival rate.

Main Results:

  • The mean patient age was 68 years, with common symptoms including abdominal distension and right lower quadrant pain.
  • Appendiceal neoplasms were the origin in all cases, with pathology revealing mucinous cystoadenoma, mucinous cystoadenocarcinoma, and epithelial hyperplasia.
  • Median survival was 54 months, with a 5-year survival rate of 40%.

Conclusions:

  • There is no established consensus on the optimal treatment for pseudomyxoma peritonei.
  • Incomplete surgical resections, particularly in non-reference centers, should be avoided.
  • Patients should be referred to specialized reference centers for appropriate management and improved outcomes.

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