The following patient came with history of hair loss. There were no complains of erythema, scarring and scratching. Diagnosis is?
Correct Answer: Trichotillomania
Description: Trichotillomania Trichotillomania is a behavioural disorder characterized by compulsive hair pulling. It presents as a pattern of hair loss, often bizarre, with no clear biological or ove traumatic explanation. Hair is plucked most frequently from one fronto-parietal region. This results in a patch of hair loss, often in a bizarre or angular pattern, in which the hairs are twisted and broken at various distances from the clinically normal scalp. Differential points : Trichotillomania is not necessarily associated with erythema/ some cases do have erythema. But presence of erythema dose not rule out the diagnosis Alopecia areata will be more regular in shape and density Alopecia: - Look at the more regular patterned hair loss
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