The infection by Mycobacterium marinum in humans is relatively uncommon. When it occurs, it mainly affects the skin, usually with a chronic, indolent and benign evolution. The diagnosis requires a high index of suspicion, ...

Humans encounter mycobacterial species due to their ubiquity in different environmental niches. In many individuals, pathogenic mycobacterial species may breach our first-line barrier defenses of the innate immune system ...

In order to understand the pathophysiology of melanomcrophage centers (MMCs) formation during the tilapia defense response to bacterial infections, the present study evaluated the response, in terms of area, number and ...

A 45 year old male who manipulated tropical fish ponds developed painless nodular plaques in both hands. Biopsy showed mononuclear infiltrate of the dermis with few granulomata. Repeated cultures revealed M. marinum ...