#january2020usmle2k
Which of the following characterized by painless blisters on the back of the hands with friable surrounding skin and hyperpigmentation of the face?
A- Contact dermatitis
B- Dermatitis herpetiformis
C- Herpes Zoster
D- Porphyria cutanea tarda
Which of the following characterized by painless blisters on the back of the hands with friable surrounding skin and hyperpigmentation of the face?
A- Contact dermatitis
B- Dermatitis herpetiformis
C- Herpes Zoster
D- Porphyria cutanea tarda