“…Watson and McCarthy (1940) found ten cases (0.8%) of muscle hanangioma out of 1308 cases of vascular and lymphatic turnours. Since Liston (1843) described the first case arising from the semitnembranosus muscle, various authors have reviewed the literature and added to the list from time to time (Davis and Kitlowski, 1930;Jenkins and Delaney, 1932;Weaver, 1938;Shallow et a&, 1944 ;Jones, 1953 ;Scott, 1957 ;Prusty et alii, 1962;Allen and Enzinger, 1972).…”