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 man with a 15-year smoking history presents with well-demarcated erythematous plaques with scale on his ears, arms, and cheeks.
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 30-year-old man presents to the clinic with a mildly itchy rash on his upper back and upper arms for the past week following a trip to the beach.
A 25-year-old man with no significant medical history arrives at the clinic concerned about a bald patch on his head that has been growing in size.
A 22-year-old man presents with an asymptomatic lesion on his upper arm that has been present for 1 month.
A 70-year-old man with a medical history significant for diabetes presents to the clinic with a complaint of yellowing of his toenails.
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.
A 60-year-old man presents with brown macules on his face, arms, hands, and back.
