[Ocular histoplasmosis].

Reports of ocular histoplasma mycosis demonstrated serologically and in tissue are rare in Europe. This is principally due to the fact that histoplasmosis is not endemic in Europe (in contrast to the USA). A second reason is that it is hard to find laboratories which have experience in the differential diagnosis of histoplasmosis and forms of uveitis. In cases of uveitis it would be desirable to include histoplasmosis in the differential diagnosis and to use more staining methods (silver nitrate methenamine, fluorescein serology) and immunologic tests (intracutaneous test with histoplasmin, complement fixation test, countercurrent immuno-electrophoresis) for histoplasmosis. Report on a case of ocular histoplasmosis, positive in the skin test and in immunodiffusion, contracted 19 years previously in Mississippi, USA.