Sclerosing stromal tumor of the avary(SST) is a rare benign tumor first described as a distinct neoplasm by Chalvardjian and Scully(1973) and confirmed as such by Scully(1977) and Gee and Russell(1979). This tumor was separated from the thecoma fibroma group on the basis of characteristic histolog ic features. We present two caaes of postmenopausal women in seuentieth decades with SST, other reported cases of SSTs are discused.