Histoplasma capsulatum in vessels of the choroid.

In a 3-year-old boy disseminated histoplasmosis was recognized from a liver biopsy. The patient died shortly afterwards and had foci of the disease in liver, spleen, and kidneys. Large numbers of yeast cells of Histoplasma capsulatum were found within histiocytes in other organs including the eye. This rare finding is remarkable in view of the search for Histoplasma capsulatum in the syndrome known as "so-called histoplasmosis of the choroid."