Mohs Surgery With Narrower Initial Margins Safe for Some Melanoma In Situ Cases Tara Haelle May 15, 2026

https://www.medscape.com/viewarticle/mohs-surgery-narrower-initial-margins-safe-some-melanoma-2026a1000fps AUSTIN, Texas — It is safe and feasible to treat certain melanoma in situ (MIS) tumors with Mohs micrographic surgery using margins smaller than the standard 5-6 mm typically used, according to a study presented at the American College of Mohs Surgery (ACMS) Annual Meeting 2026.