The genus Nocardia includes more than 80 known species, with at least 33 of them related to human pathology [2,3]. It is an opportunistic pathogen, causing infection generally in immunosuppressed, mainly with long exposure to corticosteroids, transplanted or HIV positive patients. It has worldwide distribution and is very ubiquitous, being found in terrestrial and aquatic environments as well a...

Nocardiosis is an opportunistic, localized or disseminated granulomatous infection caused by an aerobic actinomycete most commonly found in soil, decomposing vegetation, and other organic matter, as well as in fresh and salt water 1. Infection most commonly occurs through the respiratory tract. Manifestations of disease range from cutaneous infection caused by traumatic inoculation of the organ...