A child has been brought with the following scalp lesion with history of itching in scalp and hair loss for past 2 months. Which of the following is useful for diagnosis of this patient?
Ans. B KOH mountRef: Fitzpatrick's Dermatology, 8th ed. pg. 2284-85The image shows black dot sign classical of tinea capitis. The hairs are damaged due to endothrix infection and break easily.
Gram stain
KOH mount
Slit Skin smear
Tzanck smear
Nervous System