Congenital asymptomatic depressed plaque on the upper back in a young man

Quiz Congenital asymptomatic depressed plaque on the upper back in a young manA 26-year-old man presented to us with an asymptomatic depressed plaque on the upper back since birth.The antenatal and birth history were uneventful.The lesion exhibited gradual enlargement over time, maintaining proportional growth relative to the development of the body.Cutaneous examination revealed an erythematous to brownish, welldefined, atrophic plaque measuring 168 cm on the upper back, with shiny, pliable skin and prominent follicular papules [Figure 1].The texture of the lesion was similar to plucked chicken skin.An incomplete collar of hair was seen