Clinical Quiz
The Hong Kong Practitioner VOLUME 25 / December 2003

A boy presenting with a plantar eruption
W S Lam 林渭新

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 December 31, 2003. Each reader is allowed to submit one entry only. The name of the winner and the answer will be published in the January 2004 issue.

Clinical history:

The parents of a nine-year-old boy brought your attention to a rash at the plantar aspect of both forefeet. The rash was present for a year and caused only slight discomfort. The toe webs were spared. He was otherwise well. He enjoyed sports and frequently wore track shoes.



The slide and the question were prepared by:
Dr W S Lam, FHKAM(Med)
Medical Officer,
i/c Wan Chai (Male) Social Hygiene Clinic, Social Hygiene Service,
Department of Health.

What is the most likely diagnosis?

A. Tinea pedis
B. Juvenile plantar dermatosis
C. Psoriasis
D. Keratoderma blenorrhagicum

Name :

Tel. No. :

Address :

Date :