Endometrial stromal tumor

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Endometrial stromal tumors
Figure 28 02 01.JPG
SpecialtyOncology, gynecology

Endometrial stromal tumors are a type of mesenchymal tumor of the main body of the uterus.[1]


There are four major categories of endometrial stromal tumor.[2] Low-grade endometrial stromal sarcoma and high-grade endometrial stromal sarcoma are distinct diseases, both having their own particular appearance under the microscope, each behaving differently, and both having unique molecular changes.[2]

Endometrial stromal tumors
Types Description
Endometrial stromal nodule
Endometrial stromal sarcoma (low-grade)
Endometrial stromal sarcoma (high-grade)
Undifferentiated uterine sarcoma


  1. WHO Classification of Tumours Editorial Board, ed. (2020). "6. Tumours of the uterine corpus". Female genital tumours: WHO Classification of Tumours. Vol. 4 (5th ed.). Lyon (France): International Agency for Research on Cancer. pp. 245–308. ISBN 978-92-832-4504-9. Archived from the original on 2022-06-17. Retrieved 2022-07-30.
  2. 2.0 2.1 Howitt, Brooke E.; Nucci, Marissa R. (2019). "6. Tumours of the uterine corpus". In Zheng, Wenxin; Fadare, Oluwole; Quick, Charles Matthew; Shen, Danhua; Guo, Donghui (eds.). Gynecologic and Obstetric Pathology. Vol. 2. Singapore: Springer. pp. 1–52. ISBN 978-981-13-3018-6. Archived from the original on 2022-08-01. Retrieved 2022-07-30.