Clinical Quiz
The Hong Kong Practitioner VOLUME 29 / October 2007

A man presenting with an asymptomatic plaque on his shoulder
Stanley C K Ho ¦ó¥¿­è


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 09 November, 2007. 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 35-year old man presented with a five-year history of an asymptomatic plaque on the right shoulder which had slowly increased in size. Nodules had appeared in the lesion in the past year. Some of these lesions had become confluent. There was no history of trauma and no significant past medical history.


The slide and the question were prepared by:
Dr Stanley C K Ho,
MRCP(UK), FHKCP, FHKAM(Med)
Medical Officer,Social Hygiene Service, PHSB, DH.

What is the most likely diagnosis?

A. Keloid
B. Deep fungal infection
C. Dermatofibrosarcoma protuberans
D. Basal cell carcinoma

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