A 41-year-old man presents with a 3-year history of progressively worsening generalized erythematous, eczematous, and pruritic skin lesions along with lichenifications of the flexural surfaces.
A 65-year-old man with a history of squamous cell carcinoma presents to the dermatology clinic for his routine total body skin examination after finding 2 gritty, red spots on his scalp.
A 24-year-old man presents with a 4-week history of multiple enlarging, erythematous lesions with associated itching and burning on the lower abdomen, thighs, and pubic area.
A 62-year-old man with gastric adenocarcinoma for which he has been receiving chemotherapy for 4 weeks presents to his internist with new lesions on his trunk.