A 45-year-old man presented with erythematous vesicles and erosions on erythematous backgrounds on his axillae, groin, and popliteal fossae.

• 摘要一位四十五岁男性，因腋下、腹股沟及膕窝等对磨部位出现反覆性水泡及溃疡病变而来求诊。