| mycetoma: a retrospective study of 41 cases seen in são paulo, brazil, from 1978 to 1989. | clinical and epidemiological aspects of 41 cases of mycetoma seen in são paulo city from january 1978 to december 1989 are presented. twenty-eight cases (68%) were caused by actinomycetes, while 13 (32%) were caused by true fungi. in only 22 (78%) actinomycetoma cases was it possible to identify the agent. nocardia brasiliensis, by far the commonest actinomycete isolated, was responsible for 13 cases. among eumycetomata, madurella grisea was isolated from 3 cases, scedosporium apiospermum from 2 ... | 1993 | 8366881 |