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Observation
March 25, 2020

Treatment of PD-1/PD-L1 Inhibitor–Induced Dermatitis Resolves Concomitant Eruptive Keratoacanthomas

Author Affiliations
  • 1Department of Dermatology, University of California, San Francisco
  • 2Department of Pathology and Laboratory Medicine, University of Colorado School of Medicine, Aurora
  • 3Helen Diller Cancer Center, Department of Pathology and Dermatology, University of California, San Francisco
JAMA Dermatol. 2020;156(5):598-600. doi:10.1001/jamadermatol.2020.0176

Patients who develop eruptive keratoacanthomas (KAs) in the setting of PD-1/PD-L1 inhibitor–induced dermatitis are challenging to treat and discontinue immunotherapy at a much higher rate than those without KAs.1-4 We successfully used 3 different nonsurgical anti-inflammatory therapies to treat both immunotherapy-induced dermatitis and concomitant eruptive KAs.

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