Clinical Quiz
The Hong Kong Practitioner VOLUME 26 / November 2004

A blue nodule on forearm of a female adolescent
R Su 蘇志慰


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

Clinical history:

A 19 year-old girl presented with a deep blue nodule on her right forearm for over five years. The nodule was asymptomatic, but grew slowly to reach 5mm in diameter. There was no other similar lesion found on examination.

The slide and the question were prepared by:
Dr R Su, FHKAM(Med)
Specialist (D&V),
i/c Female Wan Chai Social Hygiene Clinic, Social Hygiene Service, Department of Health.

What is the diagnosis?

A. Malignant melanoma
B. Blue naevus
C. Seborrhoeic keratosis
D. Compound melanocytic naevus

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