Clinical Quiz
The Hong Kong Practitioner VOLUME 29 / June 2007

A girl presenting with an itchy hypopigmented patch around her vulva
Kwok-hung Yeung ·¨°êÂE


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

Clinical history:

A 9-year old girl complained of an itchy hypopigmented patch around her vulva for about a year. There was no history of local application of medication or sexual abuse. On physical examination, there was a mildly atrophic hypopigmented patch around her vulva and anus with some telangiectasia on the inner sides of her labia majora.

The slide and the question were prepared by:
Dr Kwok-hung Yeung,
MRCP(UK), FHKCP, FHKAM(Med)
Medical Officer,
Social Hygiene Service, PHSB, DH.

What is the most likely diagnosis?

A. Vitiligo
B. Lichen sclerosus et atrophicus
C. Lichen simplex chronicus
D. Morphoea

Name :

Tel. No. :

Address :

Date :