Clinical Quiz
The Hong Kong Practitioner VOLUME 29 / January 2007

A 52-year old woman presenting with a nodular lesion on her buttock
Man-hon Ho ¦ó¤å¿«


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 26 February, 2007. Each reader is allowed to submit one entry only. The name of the winner and the answer will be published in the March issue.

Clinical history:

A 52-year old woman complained of a nodular growth at a "mole" on her buttock for six months. The lesion bleeds on scratching and catching clothes. She enjoys good past health.

The slide and the question were prepared by:
Dr Man-hon Ho, MRCP(UK), FHKCP, FHKAM(Medicine)
Specialist in Dermatology,
Union Hospital,18 Fu Kin Street, Tai Wai, Shatin, N.T.

What is the most likely diagnosis?

A. Melanocytic naevus
B. Seborrhoeic keratosis
C. Malignant melanoma
D. Lentigo maligna melanoma

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