Multiple tiny blisters symmetrically distributed on the back, chest, and behind the ears

Abstract

An otherwise healthy 24-year-old Chinese Han female presented with multiple tiny asymptomatic erythema, papules, and blisters in a congregate distribution on her upper trunk and behind the ears that had persisted for 10 years. She had no history of itching, pain, mouth ulcers, associated fever, adhesion of the digits, or esophageal and genitourinary strictures. A similar skin phenotype was observed in the patient's family members (Figure 1). An episode of asymptomatic blisters arranged in the upper trunk had been observed in her mother (II-3), whereas typical itching or painful blisters and nodules in both the lower extremities