Endometrial Stromal Sarcomas: Case Series of Rare Mesenchymal Uterine Tumour

Abstract Endometrial stromal sarcoma (ESS) is a rare malignant tumor of endometrium compromising 10 % of all uterine sarcomas occurring in perimenopausal age group. Patient’s mainly present with symptoms of abnormal vaginal bleeding, abdominal pain and rapid enlargement of abdomen. They are usually mistaken as leiomyoma, adenomyosis or intrauterine polyps and majority of time they are diagnosed postoperatively on histopathology. These tumours are mostly positive for both estrogen and progesterone receptors (ER/PR). Here we describe seven cases of ESS and their clinical course.