• Alice J Lin, Laura K Ferris, John Maier, and Robin Maier.
• From the University of Pittsburgh School of Medicine.
• South. Med. J. 2024 Oct 1; 117 (10): 609611609-611.

ObjectivesPhysicians other than dermatologists evaluate nearly 60% of all skin diseases, and 22% of these physicians are family physicians. Dermatology education is therefore an important aspect of Family Medicine training. Dermatologic procedural training in Family Medicine residency is not standardized, however, so family physicians graduate with highly variable skills. This study describes the scope and diagnostic outcomes of skin biopsies performed by residents at a multisite Family Medicine residency network in comparison with those performed by attendings at a Family Medicine faculty community practice.MethodsWe performed a retrospective chart review of patients evaluated at eight Family Medicine residency training sites and one Family Medicine faculty community practice within a regional academic health system between January 2020 and October 2022. Patients with a skin finding who underwent at least one skin biopsy during their visit were included in the study.ResultsAmong all of the skin findings, the incidence of skin biopsy was 3.6% (258/7104) for residents and 1.8% (175/9917) for attendings (P < 0.001). Family Medicine residents performed fewer shave biopsies (57.8% vs 77.7%, P < 0.001) and more punch biopsies (25.6% vs 11.4%, P < 0.001) compared with attendings. Most biopsies performed by residents and attendings were benign, although residents biopsied significantly more benign (79.1% vs 64.6%, P < 0.001) and malignant lesions (11.2% vs 5.7%, P = 0.049). Attendings biopsied significantly more low-to-moderate-grade dysplastic (22.3% vs 5.0%, P < 0.001) and high-grade atypical lesions (4.0% vs 0.8%, P = 0.034).ConclusionsFamily Medicine residents at this residency network receive training in a variety of skin biopsy types. Distinct skin biopsy practices and outcomes between residents and attendings may reflect differences in patient populations, clinical expertise, and dermatology referral patterns.

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