A man, 47 years of age, with an unremarkable past medical history, attended our dermatology outpatient clinic having developed changes in the colour and texture of the hair of his left axillae 2 weeks earlier, causing him moderate itching. He did not remember any changes in his lifestyle or recall any changes in sweating patterns.
On dermatological examination, a green sheath covering terminal hairs was observed (Figure 1). Contralateral axilla was not involved. Examination with a Wood lamp showed a green fluorescence.
No lymphadenopathy was present and the remainder of the physical findings were within normal limits. Laboratory investigations, including full blood count, general biochemistry and urinalysis were normal.
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