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Canalicular Injury Risk in Periocular Mohs Surgery

Campbell EH, Sotelo Leon DE, Baum CL, et al.
Dermatologic Surgery (2022)

JC: October 2022

This study evaluated the risk of canalicular injury during periocular Mohs surgery and subsequent reconstruction. The authors identified anatomic zones of greatest risk and provided guidelines for intraoperative assessment and management of canalicular injuries to preserve lacrimal drainage function.

Take-Home Messages

•Canalicular injury risk is highest in Mohs defects involving the medial lower eyelid and medial canthal region.
•Intraoperative probing and irrigation should be performed when canalicular injury is suspected, with prompt stenting if confirmed.

Topic

Reconstruction

Flaps, grafts, wound closure techniques after Mohs

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Abstract

There is a paucity of literature describing risk factors for canalicular injury (CI) during periocular Mohs micrographic surgery (Mohs). This study aimed to determine factors associated with CI after Mohs. This information may inform patient counseling and surgical planning. This case-control study compared subjects with canalicular injury after Mohs with subjects requiring ophthalmologic Mohs repair without canalicular injury. All subjects who had CI after Mohs were included in the control g...