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Comment & Response
June 24, 2020

Evaluation of the Merits and Limitations of Evidence-Based Medicine

Author Affiliations
  • 1Department of Dermatology, Hospital of the University of Pennsylvania, Philadelphia
  • 2Department of Dermatology, New York University School of Medicine, New York, New York
JAMA Dermatol. Published online June 24, 2020. doi:10.1001/jamadermatol.2020.1940

To the Editor Although we appreciate the efforts of Pournamdari et al1 to highlight areas of overuse in the field of dermatology, we were greatly surprised that 2 of the selected topics were reexcision of (severely) dysplastic nevi (DN) and sentinel lymph node (SLN) biopsy for cutaneous melanoma, given the limited data supporting their conclusions. Instead of a comprehensive literature review on a specific topic, the authors chose 10 articles on 6 distinct topics, drawing conclusions without the context of other existing literature. The authors gave only 1 of the 10 studies an A for quality of evidence; 5 were rated B, and 4 were rated C.1

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