Trichomycosis Axillaris Workup

Updated: Jan 31, 2017
  • Author: Nicholas V Nguyen, MD; Chief Editor: Dirk M Elston, MD  more...
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Workup

Laboratory Studies

Potassium hydroxide preparation reveals bacteria within the concretions of trichomycosis axillaris. Perform bacterial culture as needed (typically not recommended).

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Imaging Studies

Imaging studies are not needed for the diagnosis or follow-up of patients with trichomycosis axillaris.

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Other Tests

Examination with a Wood lamp demonstrates a pale-yellow fluorescence. If erythrasma is also present, Wood lamp examination reveals coral-red fluorescence.

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Histologic Findings

Corynebacterium is a gram-positive diphtheroid; it stains purple with Gram stain and appears as long, slender rods under the microscope. [8]

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