• Grace Anne McCabe, Liam Tomás Mulcahy, Niall Mulligan, and Tim Fulcher.
• Department of Ophthalmology, Mater Misericordiae University Hospital, Dublin, Ireland. gracemccabe000@gmail.com.
• Ir J Med Sci. 2024 Jun 1; 193 (3): 120912131209-1213.

PurposeTo report the margin control process and rate of recurrence of periocular basal cell carcinomas (BCCs) managed by en-face, frozen section margin controlled (FSC), excision by a single surgeon with a 3-year follow-up.MethodsA retrospective analysis of all histopathologically proven cases of periocular BCC who underwent surgical excision with intra-operative, en-face, FSC, excision by a single surgeon from 2015 to 2019 was performed. Patients with less than 3-year follow-up were offered a virtual appointment to determine possible recurrence.ResultsA total of 88 BCC excisions from 86 patients were reviewed. Minimum 3-year follow-up data is available for 73 patients. The most common location and histological subtype was the lower eyelid and nodular BCC, respectively (47% and 83% of cases). Primary BCC (pBCC) comprised 98% (86/88) of cases and recurrent BCC (rBCC) comprised 2% (2/88) of cases. Negative frozen section margins were achieved in 93% (82/88) of excisions on the day of surgery. The overall recurrence rate during this time was 1.4% (1/73) at minimum 3 years.ConclusionPeriocular BCC can be managed effectively by en-face, FSC, excision, with a high cure rate and low recurrence rate comparable to alternative excision techniques such as Moh's micrographic surgery. Advantages of en-face excision include same-day excision and reconstruction and reduced theatre time. Primary nodular BCCs with clear margins can be considered for early discharge with advice to self-monitor.© 2024. The Author(s), under exclusive licence to Royal Academy of Medicine in Ireland.

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