“…In the literature 346 cases of atypical fibroxanthoma of the skin are available for study. They include lesions referred to as fibrosarcoma (Halpert & Hackney, 1949), paradoxical fibrosarcoma (Bourne, 1963), pseudosarcomatous dermatofibroma (Levan et al, 1963), pseudosarcomatous xanthofibroma (Hoede & Korting, 1968), pseudosarcomatous reticulohistiocytoma (Gordon, 1964) and pseudosarcoma (Finlay-Jones, Nicoll & ten Seldam, 1971;Samitz, 1967;Vakilzadeh & Rupee, 1970;Woyke et al, 1974). Many cases were reported in retrospect.…”