Medical MCQ-Skin scrapings from a patient with tinea corporis were taken and cultured on SDA. Figure shows the LCB mount. Likely identity of the causative dermatophyte is-

Skin scrapings from a patient with tinea corporis were taken and cultured on SDA. Figure shows the LCB mount. Likely identity of the causative dermatophyte is-

Epidermophyton floccosum

Microsporum audouinii

Microsporum gypseum

Trichophyton rubrum

Question Category:

Microbiology

Correct Answer:

Microsporum gypseum

Description:

M. gypseum-numerous fusiform (spindle) shaped macroconida M. audouinii- racquet shaped macroconidia E. floccosum- club shaped macroconidia T. rubrum- arrangement of microconida has been described as "birds on a wire" where the pyriform (teardrop shaped) microconidia are attached to the hyphae at the narrow end

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