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IMAGES IN CLINICAL PRACTICE
Year : 2018  |  Volume : 84  |  Issue : 6  |  Page : 748-749

Four views of trichomycosis axillaris: Clinical, Wood's lamp, dermoscopy and microscopy


Department of Dermatology and Venereology, All India Institute of Medical Sciences, New Delhi, India

Date of Web Publication05-Mar-2018

Correspondence Address:
Vinod Kumar Sharma
Department of Dermatology and Venereology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi - 110 029
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijdvl.IJDVL_567_17

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How to cite this article:
Gupta V, Sharma VK. Four views of trichomycosis axillaris: Clinical, Wood's lamp, dermoscopy and microscopy. Indian J Dermatol Venereol Leprol 2018;84:748-9

How to cite this URL:
Gupta V, Sharma VK. Four views of trichomycosis axillaris: Clinical, Wood's lamp, dermoscopy and microscopy. Indian J Dermatol Venereol Leprol [serial online] 2018 [cited 2018 Dec 18];84:748-9. Available from: http://www.ijdvl.com/text.asp?2018/84/6/748/226570




A 46-year-old man complained of axillary malodour for the last 2 years. Examination revealed waxy yellowish deposits adherent to several hair shafts [Figure 1]a in both the axillae, which exhibited soft greenish fluorescence under Wood's lamp [Figure 1]b. Dermoscopic examination with polarized light (×10 magnification) showed multiple hair shafts encased by golden-yellow concretions [Figure 1]c. Microscopic examination of 10% KOH mount showed irregular concretions around the hair shafts [Figure 1]d. The patient was diagnosed with trichomycosis axillaris. He was advised to shave off the axillary hair and was prescribed sodium fusidate 2% ointment twice daily, which resulted in complete improvement in 2 weeks.
Figure 1

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Trichomycosis axillaris is a superficial bacterial infection caused by bacteria belonging to Corynebacterium genus, particularly Corynebacterium flavescens, that forms masses around the hair shafts. The malodour is due to bacterial metabolism of sweat testosterone into malodorous compounds. Treatment includes topical antibiotics and general measures such as shaving the affected hair and control of hyperhidrosis. Dermoscopic examination can aid in its quick differential diagnosis, which includes hair casts, pediculosis and black and white piedra.

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.




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