1. opportunistic infections (including tuberculosis, histoplasmosis), sepsis, abscess

2. Blastomycosis was the most common infection (1,092 cases; incidence of 0.41 cases/100,000 population), followed by histoplasmosis (211 cases) and coccidioidomycosis (89 cases)

3. Among rare mycoses there were found in the Turkey scattered cases of histoplasmosis (H. capsulatum), sporotrichosis (Sp. schenckii), rhinosporidiosis (Rhinosporidium seeberi), madura foot, actinomycosis as well as aspergillosis (A. fumigatusFres.).

4. A patient with an unusual ulcerative Leishmania tropica granuloma of the tongue is described which previously even by histology had been diagnosed as sarcoma. Our own diagnosis was histoplasmosis linguae at first sight.