Abstract
Scalp dermoscopy or `trichoscopy' represents a valuable, noninvasive technique for the evaluation of patients with hair loss that allows for magnified visualization of the hair and scalp skin. It may be performed with a manual dermoscope (×10 magnification) or a videodermoscope (up to ×1,000 magnification). In particular, trichoscopy enhances the diagnosis of androgenetic alopecia, alopecia areata, telogen effluvium, trichotillomania, congenital triangular alopecia, scarring alopecia, tinea capitis and hair shaft disorders. This method is simple, quick and easy to perform, reduces the need for scalp biopsy, is well accepted by patients, and is useful for monitoring treatment and follow-up.
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