Mycetoma due to Nocardia brasiliensis: first case report from the Union Territory of Delhi.

The first case of mycetoma caused by Nocardia brasiliensis from the Union Territory of Delhi is reported. The patient, a permanent resident of the Union Territory of Delhi, acquired the disease 10 years ago following an accidental injury to his right hand. The diagnosis of the case was made on the basis of demonstration of the grains in direct microscopy, isolation of the organism in culture directly from the grains, identifying the organism by the conventional tests and through histopathology of the biopsy from the affected portion.