Contact Dermatitis

Contact Dermatitis

Contact Dermatitis of the Hands: Is It Irritant or Allergic?

Author:

Viki Patel, BS

Amber Reck Atwater, MD

Margo Reeder, MD

In this column, we will explore irritant contact dermatitis (ICD) and allergic contact dermatitis (ACD) of the hands, including epidemiology,...

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Case Letter

Exercise-Induced Vasculitis in a Patient With Negative Ultrasound Venous Reflux Study: A Mimic of Stasis Dermatitis

Author:

Swaminathan Sundaresan, MD

Michael R. Migden, MD

Sirunya Silapunt, MD

Exercise-induced vasculitis largely is documented in photographs or by history and may be misdiagnosed as stasis dermatitis due to its clinical...

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Photo Challenge

Pink Patches With a Hyperpigmented Rim

Author:

Ramiz N. Hamid, MD, MPH

Ahmad I. Aleisa, MD

Dirk M. Elston, MD

A 25-year-old man presented with a rash on the right hand, chest, abdomen, right thigh, and ankles of 2 weeks’ duration. He reported that the...

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Environmental Dermatology

What’s Eating You? Black Butterfly (Hylesia nigricans)

Author:

Carlos González, MD

Laura Sandoval, MD

Adriana Motta, MD

Mariam Rolón, MD

We report a case of lepidopterism in a patient with acute cutaneous lesions following exposure to an adult-stage black butterfly (Hylesia...

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Case Letter

Testosterone Pellet–Induced Generalized Drug Eruption

Author:

Ryan C. Kelm, MD

Prince Adotama, MD

Jason S. Stratton, MD

Jarad I. Levin, MD

Dermatologists should be aware that testosterone pellet implantation can cause dermatitis overlying the implantation site, which can generalize...

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Contact Dermatitis

Contact Allergy to Nickel: Still #1 After All These Years

Author:

John Moon, MS

Margo Reeder, MD

Amber Reck Atwater, MD

Nickel contact allergy most often is associated with earrings and other jewelry; however, novel exposures to nickel through diet and electronic...

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Contact Dermatitis

Patch Testing 101, Part 2: After the Patch Test

Author:

Amber Reck Atwater, MD

Margo Reeder, MD

In the second part of this series, we examine the incredibly important and absolutely vital steps that come after the patch test: determining...

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Case Letter

Foreign-Body Reaction to Orthopedic Hardware a Decade After Implantation

Author:

Amy Lauer, PA-C, MPAS, MS

Brian Burke Adams, MD, MPH

Cutaneous reactions to implantable devices occur with varying frequency and include infectious, hypersensitivity, allergic, and foreign-body...

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Photo Challenge

Umbilicated Neoplasm on the Chest

Author:

Bo Li, MD

Xiangqian Li, MD

Manuel Valdebran, MD

Xi Chen, MD

Xianghe Wang, MD

Xueyan Yao, MD

Cheng Zhou, MD

A 49-year-old man presented with a slow-growing mass on the chest of 1 year’s duration. The neoplasm started as a small papule that gradually...

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Case Reports

Palmoplantar Eruption in a Patient With Mercury Poisoning

Author:

Michelle A. McNally, BSN

Helena Jenkinson, MD

Saisindhu Narala, MD

Megan Rogge, MD

Mercury exposure should be included in the differential diagnosis in patients presenting with a rash of the palms and soles, especially in young...

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Case Letter

Orbital Granuloma Formation Following Autoinjection of Paraffin Oil: Management Considerations

Author:

Simi D. Cadmus, MD

Lindsay L. Thelin, MD

Ivan Vrcek, MD

The initial presentation of a foreign-body granulomatous process in a patient with surreptitious use of nonmedical filler can mimic infection;...

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