Adult patient with multiple scaly macules over chest and back, test which can diagnose this condition is/ are-
Correct Answer: 10% KOH mount
Description: Pityriasis vesicolor is a fungal infection of skin with hypo pigmented perifollicular macules seen mainly on the upper trunk spreading to the neck and upper arms. Diagnosis is by KOH mount and the appearance is spaghetti and meatballs appearance. Wood lamp examination is required for diagnosis of tinea infection that produces green fluorescence. From illustrated synopsis of dermatology and sexually transmitted diseases neena khanna 5th edition page no 310
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