Medical Condition:
Sarcoma, Endometrial Stromal
A highly malignant neoplasm of the endometrium, arising from the endometrial stroma. It represents one type of stromal tumor, the other being endolymphatic stromal myosis. They are differentiated on the basis of the number of mitoses per 10 high power fields: endometrial stromal sarcoma has 10 or more mitoses, endolymphatic stromal myosis fewer. Stroma sarcoma is seen most often between the ages of 45 and 50. (DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1146)