Low-Grade Endometrial Stromal Sarcoma in a Postmenopausal Woman with Third-Degree Uterovaginal Prolapse: A Rare Case with Review of the Literature.

Endometrial stromal sarcomas (ESSs) are rare malignant tumors of the uterus that arise from the endometrial stroma, the annual incidence of ESS being 1-2/million women. Patients present with nonspecific complaints of abnormal uterine bleeding, pelvic pain, and pressure symptoms. Postmenopausal women rarely present with a low-grade ESS, as it is more common in younger women. ESS is usually confused with leiomyomas radiologically. Histopathological examination and immunohistochemistry are essential for the diagnosis. We, herein, report a case of a postmenopausal female who presented with something coming out per vagina. The clinical impression was that of a third-degree uterovaginal prolapse that on histopathological examination was diagnosed as a low-grade ESS.