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Quizzes and Polls

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February 2013

Hyperpigmented Patches on Shins, Palms, and Soles

A 54-year-old woman presented with a 2-year history of a mildly pruritic, golden-brown rash that first developed on her palms and progressed to her shins and soles.

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Test your knowledge with previous versions of the JAMA Dermatology Clinical Challenge Quizzes.

January 2013

Eruption in a Patient With Crohn Disease

A 53-year-old white man presented with an acute onset of inflammatory papulopustules on the central part of his face and head and a few lesions on his trunk that fused and discharged purulent material.

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December 2012

Violaceous and Ulcerated Plaque Following a Cesarean Section

A 27-year-old woman with a painful, reddish-blue (livedoid) skin area showing small ulcerations on the lower abdomen was examined.

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November 2012

Diffuse Skin Thickening and Linear Papules in a 59-Year-Old Woman

A 59-year-old woman presented with a 4-month history of diffuse skin thickening with overlying linear papules. She reported associated dyspnea, muscle weakness, fatigue, decreased acral range of motion, and decreased oral aperture.

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October 2012

Pustules and Sinus Tracts Involving the Right Arm of an Elderly Patient

An 83-year-old man with a history of diabetes and chronic obstructive pulmonary disorder (taking prednisone, 5 mg/d) was admitted to our facility with a month-long history of persistent right arm swelling, erythema, and pain.

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September 2012

Soft Subcutaneous Plantar Masses

A 3-year-old boy presented with asymptomatic growths on both feet that his parents had noticed 1 year prior.

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August 2012

A Growing Pigmented Lesion in a Child With a History of Bone Marrow Transplant and Irradiation

A 14-year-old Hispanic female with a history of aplastic anemia requiring 2 bone marrow transplants presented with a 4-month history of a 6-mm brown-black papule in her left lower abdomen.

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July 2012

Numerous Skin-Colored Papules on the Face and Neck

A 36-year-old woman presented with a 9-month history of numerous small skin-colored papules scattered over her lateral cheeks, forehead, and neck.

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June 2012

Vesicular Lesions on the Vulva

A 45-year-old woman presented with a 5-year history of pruritic, exudative lesions in the vulvar area.

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May 2012

Lentigolike Macules and Erythematous Plaques on Trunk and Extremities

A 60-year-old woman presented with an 8-year history of an asymptomatic progressive skin eruption on the trunk and extremities.

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April 2012

Multiple Brown Macules and Papules on a Female Teenager

A 14-year-old Hispanic girl presented with a 1-year history of multiple asymptomatic hyperpigmented macules and papules over her arms, legs, trunk, and face.

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March 2012

Ulcers and Stellate Scars on Bilateral Ankles

A 75-year-old woman presented with a 2-year history of exquisitely tender ulcerations on her bilateral ankles, which caused pain with ambulation. She had a history of multiple miscarriages, a myocardial infarction at age 60 years, and hypertension.

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February 2012

Hyperpigmented Asymptomatic Macule in a Fingertip With Suspicious Dermoscopic Pattern

A previously healthy 51-year-old man presented with asymptomatic brown-pigmented lesions on his first left-hand fingertip. The lesions had appeared 3 months ago and gradually spread. He had no history of tobacco smoking, wearing rings, chemotherapy, or work involving friction or in wet places.

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