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Incidental Finding of Benign Multicystic Peritoneal Mesothelioma: A Case Report

Lauren Nosanov, Nikhil Chervu, Paul Sugarbaker, Chukwuemeka Ihemelandu

Abstract


Introduction: Benign multicystic peritoneal mesothelioma represents a rare benign variant of peritoneal mesothelioma, with fewer than 150 cases reported to date. Malignant transformation may occur. We present a patient with an incidental finding of an intra-abdominal mass consistent with benign multicystic peritoneal mesothelioma.

Case presentation: A 51 year-old male presented to the ED with traumatic injuries. During workup, calcified cystic lesions in the pelvis were incidentally noted. Final pathology favored a diagnosis of benign multicystic mesothelioma of the peritoneum. Follow-up imaging obtained three months post-operatively revealed no evidence of recurrent or metastatic disease.

Conclusion: Multicystic peritoneal mesothelioma has been identified as a distinct subtype of peritoneal mesothelioma, with long-term survival achievable through the use of cytoreductive surgery and HIPEC. Although prognosis is relatively favorable, recurrence rates are high, with low potential for malignant transformation. Post-operative surveillance with routine imaging is warranted.


Keywords


benign multicystic peritoneal mesothelioma; BMPM; peritoneum

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References


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