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Benign cystic mesothelioma of the peritoneum: report of a case
A 36-year-old multiparous woman presented with the chief complaint of mass and fullness over the lower abdomen for the previous 3 months. Abdominal ultrasound revealed a uniloculated, thin-walled cyst attached to the peritoneal surface of the right lower abdomen. The cyst was surgically excised and confirmed to be cystic mesothelioma of the peritoneum by histopathologic and immunohistochemical studies. Benign cystic mesothelioma is an extremely rare intraperitoneal tumor. Although its etiology remains unclear, one distinctive clinicopathologic feature is a symptomatic abdominal mass in young females. The presence of a thin-walled cyst attached to the peritoneum on ultrasound should alert physicians to the possibility of this disease. The treatment of choice is complete resection and reexcision may be required due to a preponderance for local recurrence. Regular postoperative ultrasound follow-up is recommended to check for possible recurrence.
A 36-year-old multiparous woman presented with the chief complaint of mass and fullness over the lower abdomen for the previous 3 months. Abdominal ultrasound revealed a uniloculated, thin-walled cyst attached to the peritoneal surface of the right lower abdomen. The cyst was surgically excised and confirmed to be cystic mesothelioma of the peritoneum by histopathologic and immunohistochemical studies. Benign cystic mesothelioma is an extremely rare intraperitoneal tumor. Although its etiology remains unclear, one distinctive clinicopathologic feature is a symptomatic abdominal mass in young females. The presence of a thin-walled cyst attached to the peritoneum on ultrasound should alert physicians to the possibility of this disease. The treatment of choice is complete resection and reexcision may be required due to a preponderance for local recurrence. Regular postoperative ultrasound follow-up is recommended to check for possible recurrence.