[Stromal sarcoma of the uterine body in an 18-year old girl]

The authors describe diagnostic difficulties connected with proper estimation of stromal sarcoma biological activities, which developed in uterus corpus in 18 years old girl previously treated with hormones, because of irregular painful menses. Macroscopic and microscopic investigations of postoperative specimen allowed to set final diagnosis: stromal sarcoma with intermediate grade of malignancy, which showed an aggressive growth in the surrounding tissue and demonstrated moderate, focal polymorphism and different amounts of the mitoses in different areas.