Congenital blistering

A healthy term baby boy, delivered vaginally, was presented on the day of his birth with erosive skin lesions on both upper limbs. He had four demarcated erosions of less than 1 cm diameter in a bilateral symmetrical distribution to the hand and wrist dorsi (fig 1). The baby was observed sucking on these areas of skin ex utero. There were no further skin lesions of note. His mother had no history of infection or bullous disease. A …