Chromomycosis.

To cite: Arguello-Guerra L, Gatica-Torres M, Dominguez-Cherit J. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2016215391 DESCRIPTION A 55-year-old woman living in a rural area of Oaxaca, southeast Mexico, presented with an 11-year history of 2 warty-like erythaematous and painful plaques, 10–12 cm long on her right leg (figure 1). There was no evidence of any underlying disease. Skin biopsy revealed pseudoepitheliomatous hyperplasia with fumagoid cells. Tissue culture grew a black fungus with a velvety texture, later identified as Fonsecaea pedrosoi, on microscopic examination (figure 2). Oral itraconazole 200 mg twice daily was initiated. Chromoblastomycosis is a subcutaneous, chronic mycosis caused frequently by the dematiaceous fungi, F. pedrosoi, with a worldwide distribution,