Table of Content

Current Issue

Autumn/Winter 2022, Vol. 30 No. 1

Hong Kong J. Dermatol. Venereol. (2022) 30, 41

Dermato-venereological Quiz

Dermato-venereological Quiz

FC Ip 葉方正

A twelve year old girl presented with left neck asymptomatic skin lesion for about five years. The lesion showed increase in size initially but remain static in recent years. Physical examination showed a whitish plaque in left lower neck (Figure 1). Wood's light examination showed no accentuation or fluorescent.

Figure 1


  1. What are the differential diagnoses?
  2. Which is the most likely diagnosis and what are histopathology features?
  3. What are the managements?
  4. What is the prognosis?