Erythematous Facial Rash
A teenaged girl is brought to the clinic by her mother for evaluation of a rash on her face and back.
Dermatologic Look Alikes
Rash With Burning and Pruritus
Case 1 A 54-year-old man with a history of asthma presents to clinic in the springtime with a burning, itchy rash on his lateral neck. On physical examination an erythematous plaque with scale is noted around his entire neck. The patient says that he has tried applying moisturizer but without relief. Upon further questioning, the…
New Onset of Verrucous Papules
Case 1 A 42-year-old white man presents for his annual skin check with complaints of a waxy, brown papule on his back. He reports that he scratched it off on several occasions recently, but it returned each time. He states that the lesion is a nuisance, but it does not itch, bleed, or cause pain.…
Erythematous, Pruritic Plaques
Case 1 A 30-year-old man presents to the office for a mildly itchy rash over a large area of his body that has been worsening for the past 6 months. He states that the rash started on his elbows and knees and has quickly spread to his torso and extremities. He has tried several home…
Gradual Development of Ulcerating Lesions
Case 1 A 63-year-old white man presents to the dermatologist with a 0.8-cm pink, pearly papule with a central core on the left nasal ala that appeared approximately 1 year ago and has slowly grown in size. The lesion has telangiectasias on the surface and periphery. He states that the lesion occasionally bleeds, especially if…
Macules With Irregular Borders
Case 1 A 45-year-old man presents to your office because a mole on his arm has been changing over the past several months. He has no significant medical history but has been a patient of yours for the past 10 years after his mother was diagnosed with skin cancer. As a teenager, he frequently visited…
Nodules on the Arm and Leg
Case 1 A 67-year-old man presents with 2 nodules on his elbow. He has never had any skin conditions but 2 years previously was diagnosed with rheumatoid arthritis, which he manages with methotrexate and nonsteroidal anti-inflammatory drugs. The nodules are uncomfortable and aesthetically displeasing, but they are not painful. On examination, 2 large, firm, skin-colored…
Multiple Erythematous, Scaly Plaques
Case 1 A 38-year-old man presents to the clinic complaining of numerous pruritic lesions on his right lower extremity. He claims that all of the lesions appeared within the past 3 months. He denies similar occurrence and reports no history of skin conditions, although he states that his mother often breaks out in a “rash”…
Lower Extremity Swelling and Rash
Case 1 A 58-year-old obese African American man with congestive heart failure presents with swelling and lesions on his lower extremities. He first noticed the swelling 2 years earlier, and several painless, wart-like lesions have developed over the past few months. He reports having had a few skin infections in the same region for which…
Small, Asymptomatic Nodules on the Trunk
Case 1 A 16-year-old girl presents with a collection of bluish-gray and brown papules on her trunk; the lesions are about the size of a pin-head or match-head. She states that she first noticed these lesions several years ago. The lesions are neither pruritic nor painful, but she is bothered by their appearance. She states…
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