Clinical Quiz
The Hong Kong Practitioner VOLUME 27 / April 2005

A man presenting with a penile rash
Wai-Sun 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 9 May, 2005. Each reader is allowed to submit one entry only. The name of the winner and the answer will be published in the May issue.

Clinical history:

A 34-year old man presented with a penile rash for two days. He gave a history of venereal exposure four days ago. He was otherwise well and enjoyed good past health.
The slide and the question were prepared by:
Dr Wai-Sun 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. Herpes genitalis
B. Genital wart
C. Balanoposthitis
D. Psoriasis

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