Presentation
Painless gradual distension of abdomen.
Patient Data
Age: 3 years
Gender: Male
From the case:
Benign peritoneal mesothelioma
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Large well defined hypodense oval cystic lesion with a few internal septations occupied all the space of the abdominopelvic cavity displacing bowel loops superiorly and posteriorly
No solid component.
From the case:
Benign peritoneal mesothelioma
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Macroscopic appearance of abdominal mass after surgical resection.
From the case:
Benign peritoneal mesothelioma
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Benign multicystic mesothelioma.
Case Discussion
Benign peritoneal mesothelioma is an unusual benign tumor with an extremely low potential of malignant transformation that originated from the epithelial and mesenchymal cells of mesothelial tissue.
Gross pathology image courtesy of Dr. Sara Akbarnejad and Dr. Seyede Saeede Hosseini, Payambar Azam Hospital.