Clinical Quiz
The Hong Kong Practitioner VOLUME 28 / August 2006

A boy presenting with patchy hair loss
Man-hon Ho ¦ó¤å¿«


A monthly clinical quiz is published in The Hong Kong Practitioner. Readers are invited to participate and a prize draw, sponsored by Pfizer Corporation Hong Kong Limited, will be undertaken among the successful entries each month. For entry into the draw, simply answer the question, fill in the reply slip and return it to the College by 22 September, 2006. Each reader is allowed to submit one entry only. The name of the winner and the answer will be published in the September issue.

Clinical history:

A 3-year old boy presented with 3 months history of patchy hair loss. According to his parents, there was a history of pustules which had subsided after treatment from his GP. A cat in his family has skin problem recently. Clinical examination showed multiple patches of alopecia.

The slide and the question were prepared by:
Dr Man-hon Ho, MRCP(UK), FHKCP, FHKAM(Med)
Specialist in Dermatology,
Union Hospital,18 Fu Kin Street, Tai Wai, Shatin, N.T.

What is the most likely diagnosis?

A. Alopecia areata
B. Tinea capitis
C. Trichotillomania
D. Scalp folliculitis

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