Derm Dx: Progressive, tense, bullous lip lesions

A 17-year-old black female presented to the dermatology clinic complaining of acute onset of blisters. The lesions appeared first on her face but were rapidly progressing to other areas of her body. Some rested on erythematous bases, while others had no associated erythema.

Most of the lesions were discrete, but some had coalesced into larger bullae. The patient’s overall health ...