BACKGROUND: Leiomyomatosis peritonealis disseminata (LPD) is a rare condition characterized by multiple subperitoneal nodules of benign smooth muscle. The lesion usually occurs in women of childbearing age. CASE: A 55-year-old woman with a history of panhysterectomy 8 years ago presented with an abdominal lump. Ultrasonographic and peroperative finding of multiple omental nodules led to a clinical impression of disseminated malignancy. Only the largest nodule was excised, histopathology of which revealed a cellular leiomyoma. Seven months later, she developed an omental leiomyosarcoma. An omentectomy was done and the multiple smaller nodules were all confirmed to be composed of benign leiomyocytes. CONCLUSION: Malignant transformation in LPD in post-menopausal patients is an exceptional event that has been documented only twice previously in English literature.
BACKGROUND:Leiomyomatosis peritonealis disseminata (LPD) is a rare condition characterized by multiple subperitoneal nodules of benign smooth muscle. The lesion usually occurs in women of childbearing age. CASE: A 55-year-old woman with a history of panhysterectomy 8 years ago presented with an abdominal lump. Ultrasonographic and peroperative finding of multiple omental nodules led to a clinical impression of disseminated malignancy. Only the largest nodule was excised, histopathology of which revealed a cellular leiomyoma. Seven months later, she developed an omental leiomyosarcoma. An omentectomy was done and the multiple smaller nodules were all confirmed to be composed of benign leiomyocytes. CONCLUSION: Malignant transformation in LPD in post-menopausal patients is an exceptional event that has been documented only twice previously in English literature.
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