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Autumn 2002, Vol. 10 No. 3

H.K. Dermatol. Venereol. Bull. (2002) 10, 149


Dermato-venereological Quiz

Dermato-venereological Quiz

W. S. Lam

Abstract
This 51-year-old white man presented with an 8 mm diameter red papule at abdomen for six months (Figure 1) and a 5 mm diameter red papule at left shoulder for one month (Figure 2). Both of these lesions were non-itchy and slowly increased in size. He enjoyed good health and denied any family history of skin cancer. This 60-year-old man noticed an erosive red plaque on his penis for one year (Figure 3). Examination revealed a sharply marginated glistening erythematous plaque on the glans and prepuce. He was uncircumcised and the foreskin was slightly constricted. Investigations for sexually transmitted disease, including syphilis serology, HIV antibody and herpes culture, were all negative. The lesion failed to respond to oral antibiotics and topical antiseptics.