Two sisters with impetigo herpetiformis

Two sisters (non‐twins) had impetigo herpetiformis triggered by their first pregnancy. One sister treated with etretinate had good resolution of skin disease. Impetigo herpetiformis is probably a variant of pustular psoriasis and may be provoked or precipitated by factors, such as pregnancy. Both patients shared common HLA antigens (A11, AW24, BW44, BW54 and DR6Y).

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