Diagnosis: Alopecia areata
Description: Sudden localized hair loss.
Morphology: Hair loss localised
Site: Scalp
Sex: M
Age: 23
Type: Clinical
Submitted By: Nameer Al-Sudany
Differential DiagnosisHistory: Well-demarcated solitary patch of non-cicatricial hair loss of two weeks duration. The skin of the bald area was normal and many exclamation mark hairs were seen in the central area.