Endometrial stromal sarcoma: a clinicopathological analysis of 14 cases.

Objective: To investigate the clinicopathologic features and immunophenotype of endometrial stromal sarcoma (ESS) and extra uterine endometrial stromal sarcoma (EESS).

Methods: 14 cases of ESS (8 cases of ESS and 6 cases of EESS) were retrospectively reviewed, and the pathological features, immunophenotype and prognosis were discussed.

Results: In 14 cases of ESS, 12 cases (8 cases of ESS and 4 cases of EESS) were diagnosed as low grade endometrial stromal sarcoma (LGESS) and 2 cases of EESS were diagnosed as high grade endometrial stromal sarcoma (HGESS).