Abstract
A case of 44-year-old female who had a leiomyosarcoma in the superficial soft tissue of right thigh was presented.After 2 months of tumor resection, she had metastatic foci in both lungs. The tumor, 16×12×10 cm, was relatively well encapsulated and was located in the subcutaneous soft tissue. Microscopic finding showed spindle cells and polygonal cells in interlacing bundle. Mitosis had 13 in 50 high power fields and this tumor was diagnosed of malignancy.
