A case report of peritoneal malignant mesothelioma presenting as primary ovarian mass

Rakesh Kapoor1, Philip George Kuttikat, Kim Vaiphei

  • 1Department of Radiation Oncology, Regional Cancer Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India.

Insights

Malignant peritoneal mesothelioma (MPM) rarely presents as a primary ovarian mass. This case study shows successful chemotherapy treatment leading to a complete response and sustained remission.

Area of Science:

  • Oncology
  • Pathology
  • Gynecologic Oncology

Background:

  • Malignant mesotheliomas are aggressive neoplasms originating from mesothelial cells.
  • Malignant peritoneal mesothelioma (MPM) constitutes approximately one-third of mesothelioma cases.
  • Ovarian involvement in MPM typically occurs secondary to diffuse peritoneal disease.

Observation:

  • This report details a rare instance of MPM presenting as a primary ovarian mass.
  • The patient underwent surgical intervention, which resulted in a residual progressive lesion.
  • Subsequent chemotherapy led to a complete response.

Findings:

  • The patient achieved a complete response to chemotherapy.
  • The patient has remained disease-free for nearly one year post-treatment.
  • This case highlights an unusual presentation of MPM.

Implications:

  • This case underscores the importance of considering rare presentations of MPM in gynecologic oncology.
  • Effective chemotherapy regimens can achieve durable remission in select MPM cases.
  • Further research into primary ovarian MPM is warranted to optimize diagnostic and therapeutic strategies.

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