A 27 year-old Australian man presents with numerous erosions of his mucous membranes. Examination of his oral cavity reveals painful oral ulcers and a friable mucosa Immunoflourescence evaluation demonstrates intraepidermal band of IgG. A biopsy of the lesion shows breakdown of intercellular epithelial connections. Which of the following is the most likely diagnosis in this patient?
A. Herpetic ulcers
B. Measles
C. Dermatitis herpertiformis
D. Pemphigus vulgaris
E. Bullous pemphigoid
A. Herpetic ulcers
B. Measles
C. Dermatitis herpertiformis
D. Pemphigus vulgaris
E. Bullous pemphigoid