A 52-year-old postmenopausal female was found to have a large solid cystic adnexal mass, compressing the right ureter, and was suspected to have carcinoma ovary. However, it turned out to… Click to show full abstract
A 52-year-old postmenopausal female was found to have a large solid cystic adnexal mass, compressing the right ureter, and was suspected to have carcinoma ovary. However, it turned out to be a retroperitoneal neurogenic tumor. Malignant peripheral nerve sheath tumors (MPNST) may have cystic areas and may be misdiagnosed as ovarian tumors. Treatment of MPNST involves complete surgical excision of the tumor with a wide margin.
               
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