Undifferentiated uterine sarcoma

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Undifferentiated uterine sarcoma
Uterus with Cancer Origins.jpg
SpecialtyOncology, gynecology
SymptomsAbnormal uterine bleeding, pelvic pain, mass of the uterus[1]
Usual onsetAfter menopause[1]

Undifferentiated uterine sarcoma is a type of cancer in the main body of the uterus.[2] It typically presents with abnormal uterine bleeding, pelvic pain, and mass of the uterus in females after menopause.[1]

It is a subtype of endometrial stromal tumor belonging to the mesenchymal tumors of the main body of the uterus.[1] The appearance of the cells is identical to normal endometrial stromal cells.[1] The cause is not known.[1] It generally occurs in the main body of the uterus rather the cervix.[1] Diagnosis is made after excluding other types of uterine tumors.[1]

It is rare.[1]


  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 WHO Classification of Tumours Editorial Board, ed. (2020). "6. Tumours of the uterine corpus: undifferentiated uterine sarcoma". Female genital tumours: WHO Classification of Tumours. Vol. 4 (5th ed.). Lyon (France): International Agency for Research on Cancer. pp. 292–293. ISBN 978-92-832-4504-9. Archived from the original on 2022-06-17. Retrieved 2022-07-30.
  2. Howitt, Brooke E.; Nucci, Marissa R. (2019). "1. Uterine mesenchymal lesions". In Zheng, Wenxin; Fadare, Oluwole; Quick, Charles Matthew; Shen, Danhua; Guo, Donghui (eds.). Gynecologic and Obstetric Pathology. Vol. 2. Springer: Springer. pp. 12–14. ISBN 978-981-13-3018-6. Archived from the original on 2022-08-05. Retrieved 2022-07-30.

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