Case presentation
We present three Chinese male patients aged between 50 to 60 years old,
with similar complaints of recurrent episodes of vesicles, blisters,
erosion/ulcers predominantly on sun-exposed areas. They were diagnosed
as having PCT after a clinical investigation. Of note, all patients had
a history of alcohol abuse with or without apparent liver function
damage. Treatment includes hydroxychloroquine and alcohol
discontinuation. Patients showed marked improvement in skin lesions with
no relapse.