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[A Case of Appendiceal Pseudomyxoma Peritonei Diagnosed by Inguinal Hernia and Treated with Multidisciplinary

Akira Sogawa1, Takashi Matsunaga, Yasumitsu Oe

  • 1Dept of Digestive Surgery and Peritoneal Dissemination Center, Omi Medical Center.

Gan to Kagaku Ryoho. Cancer & Chemotherapy
|February 14, 2025
PubMed

Insights

Pseudomyxoma peritonei (PMP), a rare condition caused by ruptured mucinous tumors, was diagnosed in a patient presenting with an inguinal hernia. This case highlights PMP originating from appendiceal myxoma, requiring extensive surgical and chemotherapeutic intervention.

Area of Science:

  • Gastroenterology
  • Oncology
  • Surgical Pathology

Background:

  • Pseudomyxoma peritonei (PMP) is a rare clinical condition characterized by mucinous tumor rupture, leading to mucus accumulation in the abdominal cavity.
  • PMP commonly arises from appendiceal or ovarian mucinous tumors.
  • Inguinal hernias are uncommon presenting symptoms for PMP.

Purpose of the Study:

  • To report a unique case of PMP presenting as an inguinal hernia.
  • To discuss the diagnostic and therapeutic challenges of PMP.
  • To review relevant literature concerning PMP and inguinal hernias.

Main Methods:

  • A case study of a 62-year-old male with a left inguinal bulge was investigated.
  • Diagnostic workup confirmed PMP originating from a ruptured appendiceal mucinous neoplasm.
  • Treatment involved extensive cytoreductive surgery and hyperthermia chemotherapy.

Main Results:

  • The patient was diagnosed with PMP secondary to a low-grade appendiceal mucinous neoplasm.
  • Surgical procedures included right hemicolectomy, low anterior resection, and extensive peritoneal and organ resections.
  • Postoperative hyperthermia chemotherapy was administered.

Conclusions:

  • PMP can present with atypical symptoms such as inguinal hernias.
  • A multidisciplinary approach involving surgery and chemotherapy is crucial for managing PMP.
  • Early diagnosis and comprehensive treatment are vital for improving patient outcomes in PMP.

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