A 72-year-old woman presents with intermittent burning and pain in her tongue and buccal mucosa.
A 72-year-old man presents with itchy, tense blisters on normal-appearing skin.
A 27-year-old man presents with numerous erythematous papules on the extremities and trunk.
A 73-year-old man presents for evaluation of an asymptomatic lesion on his chest noted several months previously. The patient is fair skinned, and his medical history is positive for both actinic keratoses and squamous cell carcinoma in situ. Examination reveals a 1.2-cm slightly hyperkeratotic plaque as well as scattered seborrheic keratoses.