a patient presented with swelling in his right foot with multiple discharging sinuses.the leison did not respond to antibiotics the likely etiological agent would be ?: (A) actino madura, (B) nocardia, (C) SPOROTHRIX, (D) madurella mycetomatis
Answer is D. Madurella mycetomatis causes the majority of the cases with the black grains. It is imperfect dematiaceous mold with brown colonies and diffused honey-colord pigment. Causes of mycetoma Eumycetoma : caused by species of fungi as: 1-Madurella mycetomatis 2-Madurella grisea 3-Leptosphaeria senegalensis 4-Pseudallescheria boydii 5-Acremonium (A.faciform, A.kiliense, A.recifei) 6-Aspergillus spp. (A. nidulans A. flavus) ref : thomas habif