Quiz
Common "Lesion" Leads to Rare Diagnosis
For five years, a 12-year-old boy has had an expanding, asymptomatic lesion on his left thigh and knee. There was no known precipitating event—no...
Quiz
Painless Chest Lesion Suddenly Triples in Size
Rapid growth and bleeding are two of the most common reasons that patients seek evaluation for lesions. Both are concerns for this 69-year-old...
Quiz
Dark Lesions Prompt Skin Cancer Scare
A 71-year-old man is urgently referred to dermatology by his primary care provider at the request of the patient’s children. These adult children...
Quiz
Small, Painful Blisters Erupt in Patient's Groin Area
A 60-year-old woman presents with a symptomatic eruption in the left groin that began a week ago, when she first noticed a slight tingling...
Quiz
Dark Blue Facial Lesion Worries Mother of Young Boy
A 6-year-old boy is brought in by his mother for evaluation of a lesion that has been present on his face, with little change, for about two years...
Quiz
What Is This Long-Standing Loss of Pigment?
A 14-year-old boy presents for evaluation of a long-standing condition involving loss of pigment of the hair and the adjacent neck skin. This...
Quiz
Skin Changes on Hands Lead to Daily Living Problems
A 54-year-old woman presents with changes to the skin on her hands.
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Two Different Diagnoses, But One Location
A 57-year-old man self-refers for evaluation of a facial lesion that has been present for several years.
Quiz
If It’s Not Acne, Warts, or Molluscum Contagiosum, What Is This Condition?
A 14-year-old boy is seen for “acne” that has been unresponsive to oral and topical antibiotics. There is no family history of acne, but the boy...