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Benign multicystic peritoneal mesothelioma mimicking mucinous ovarian neoplasm with pseudomyxoma peritonei
  1. Ceylan Altintas Taslicay1,
  2. Maila Asadullayeva1,
  3. Aziz Hakki Civriz2 and
  4. Gokhan Posteki3
  1. 1Radiology, Kocaeli University School of Medicine, Kocaeli, Turkey
  2. 2Pathology, Kocaeli University School of Medicine, Kocaeli, Turkey
  3. 3General Surgery, Kocaeli University School of Medicine, Kocaeli, Turkey
  1. Correspondence to Dr Ceylan Altintas Taslicay; ceylan_altintas{at}


Cystic mesothelioma, also known as benign multicystic peritoneal mesothelioma (BMPM), is a rare neoplasm and one of the five main histological types of peritoneal mesothelioma. Although it is usually considered benign histologically, it is increasingly accepted as a ‘borderline malignancy’ because the local recurrence rate is high. It is more common in middle-aged women and is generally asymptomatic. Considering that BMPM is often found in the pelvis, it is difficult to differentiate from other pelvic and abdominal lesions, such as cystic ovarian masses, especially mucinous cystadenoma–adenocarcinoma, pseudomyxoma peritonei, etc. Preoperative diagnosis is very difficult due to its rarity and lack of specific diagnostic imaging and clinical findings. Definitive diagnosis is made only by pathological evaluation. In this article, we aimed to present the imaging findings of a BMPM case in a woman who was diagnosed with mucinous ovarian neoplasm with pseudomyxoma peritonei preoperatively and underwent cytoreductive surgery with hyperthermic intraperitoneal chemotherapy.

  • Gynecological cancer
  • Pathology
  • Radiology
  • General surgery
  • Ultrasonography

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  • Contributors CAT, AHC and GP were involved in the patient’s care including diagnosis, drafted the manuscript and designed the figures. GP and MA contributed to drafting the manuscript and revising it critically for important intellectual content. All authors participated in the design, execution and analysis of the paper and approved the final version.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.