Periocular skin cancers require both effective and tissue-sparing treatment to minimize morbidity and preserve eyelid and lacrimal system function. We aim to define outcomes of periocular tumors treated with Mohs micrographic surgery (MMS) and factors associated with poor outcomes after surgery. This is a retrospective cohort study of all periocular tumors treated with MMS at an academic, large metropolitan-based referral center from January 1, 2013 to December 31, 2018. For 316 tumors from 307 patients, 75.3% of cases were basal cell carcinoma (BCC) (n = 238), 20.9% were squamous cell carcinoma (SCC) (n = 66), 2.5% were melanoma (n = 8), and 1.3% were primary adnexal carcinoma (n = 4). Over a mean follow-up of 47 months (range 12-108 months), local recurrence of two BCCs was observed. There were no recurrences for SCC, adnexal carcinoma, or melanoma. For BCC, previously treated tumors had higher risk for recurrence after MMS. AJCC 8 T stage was not associated with poor outcomes after MMS for periocular carcinoma or melanoma. Mohs micrographic surgery offers excellent cure rates for periocular cutaneous tumors. For basal cell carcinoma, previously treated lesions were associated with additional recurrence after MMS.© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.
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Rajiv I Nijhawan