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Updated: Jan 20, 2026

Culture and Imaging of Ex Vivo Organotypic Pseudomyxoma Peritonei Tumor Slices from Resected Human Tumor Specimens
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Pseudomixoma peritonei associated with appendiceal cistoadenoma rupture: case report

L Solinas, A Sagnotta, A Chessa

    Il Giornale Di Chirurgia
    |September 5, 2019
    PubMed

    Insights

    Appendiceal mucocele is a rare finding during appendectomies. A perforated appendiceal cystadenoma can lead to pseudomyxoma peritonei, characterized by widespread mucinous deposits in the abdomen.

    Area of Science:

    • Gastroenterology
    • Surgical Pathology
    • Oncology

    Background:

    • Appendiceal mucocele is an uncommon finding, present in 0.2-0.3% of appendectomy specimens.
    • These mucinous tumors of the appendix require careful pathological evaluation.

    Observation:

    • A case of pseudomyxoma peritonei (PMP) was identified.
    • The PMP was attributed to a perforated appendiceal cystadenoma.

    Findings:

    • Perforation of an appendiceal cystadenoma led to the dissemination of mucinous material.
    • This resulted in the characteristic widespread abdominal mucinous deposits of PMP.

    Implications:

    • Highlights the importance of recognizing appendiceal mucocele and its potential complications.
    • Emphasizes the need for prompt diagnosis and management of perforated appendiceal neoplasms to prevent PMP.

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