[Evaluation of the possible influence of Montenegro's intradermal reaction on a serological assay for the diagnosis of American cutaneous leishmaniasis].

Influence of Montenegro skin test for American tegumentar leishmaniasis was evaluated to verify possible interference in serological diagnosis for this disease, performed by immunoenzymatic assay (ELISA). If this interference could occur, it would hamper scientific, epidemiological and patient care; happily we did not find any interference on serological diagnosis by performance of skin testing.

[Subcutaneous phaeohyphomycose due to Exophiala jeanselmir. Report of 3 cases in patients with a kidney transplant].

We report three cases of subcutaneous phaeohyphomycosis due to Exophiala jeanselmei (Langeron) McGinnis et Padhye 1977, in kidney transplant patients. Exophiala jeanselmei is a dematious fungus having also ability to rarely procedure eumycetoma (black grains). According to KWON-CHUNG & BENNETT (1992) such fungus is antigenically very heterogeneous, since so far three serotypes have been identified; each serotype including subgroups.

African histoplasmosis. Report of the first case in Brazil and treatment with itraconazole.

We report the first case of African histoplasmosis diagnosed in Brazil. The patient was an immigrant from Angola who had come to Brazil six months after the appearance of the skin lesion. The skin of the right retroauricular area was the only site of involvement.

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.