Clinical Quiz
The Hong Kong Practitioner VOLUME 26 / October 2004

A girl presenting with an asymptomatic neck plaque
W S Lam ªL´ô·s


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 12 November, 2004. Each reader is allowed to submit one entry only. The name of the winner and the answer will be published in the November issue.

Clinical history:

A 16 years old girl complained of an asymptomatic warty plaque on the left side of her neck. It was present at birth and had gradually increased in size and thickness. Otherwise she enjoyed good health and had no other similar lesion elsewhere.

The slide and the question were prepared by:
Dr W S Lam, FHKAM(Med)
Specialist in Dermatology and Venereology,
Hong Kong Dermatology Centre, Unit 502, Hing Wai Building, 36 Queen's Road Central, Hong Kong.

What is the most likely diagnosis?

A. Common wart
B. Epidermal naevus
C. Psoriasis
D. Skin tag

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