Can you distinguish between similar plaques? Our dermatologic look-alike may stump you.

Two women present with growing scalp nodules. One patient had a nodule that was increasing in size, though not pruritic or painful. The other patient reported unintentional weight loss....

Sun exposure is the common link between these two conditions. Can you tell them apart?

Two men present with red rashes—one started on the back and spread to the upper arms, and the other was limited to the chest.

Two aging men develop similar-appearing asymptomatic facial plaques

A 40-year-old woman and a 3-year-old boy experience similar patterns of hair loss—one of sudden onset and the other present at birth.

Two women, the first bedridden with high fever and the second otherwise healthy, present with a vesicular rash.

Can you distinguish between these two facial lesions with similar characteristics?

Two men present with cutaneous heel lesions. Similar growths appear on the patients' hands as well.

A 42-year-old man presented to the dermatology clinic complaining of a white-yellow papule that he had first noticed on his nose about three years ago. Meanwhile, a 55-year-old man complained of small, soft, yellow papules on his nose and face. Test your skills by indentifying these lesions.