Reconstruction of medial orbital wall using a retrocaruncular approach

Publication date: Available online 11 August 2018

Source: Journal of Cranio-Maxillofacial Surgery

Author(s): Christian Pedemonte, Tamara Muñoz, Katherine Valenzuela, Marlene Díaz, L. Edgardo González, Ilich Vargas

Abstract

The purpose of the study was to analyze and describe the retrocaruncular approach to access medial orbital wall.

A retrospective analysis was performed in patients referred for the treatment of orbital fractures between January 1st 2011 and July 31st 2017. The study included patients over 18 years old with isolated fractures of the medial orbital wall or combined with the orbital floor who underwent a transconjunctival approach with retrocaruncular extension and lateral canthotomy, and with a minimum follow-up of 6 months. Patients with fractures to the roof and/or lateral orbital wall were excluded.

From a total of 319 orbits, 30 medial wall fractures were treated using a retrocaruncular approach, transconjunctival extension and lateral canthotomy. 7 of them were pure medial wall fractures and 23 were combined with orbital floor. Except for one case that required delayed reconstruction with customized orbital implant, all orbital reconstructions were successful in the first surgery. Only one patient developed a conjunctival granuloma in relation to the caruncle. No others patients had complications.

This study concluded that this approach is a successful access for surgical treatment of medial orbital wall fractures because of their broad visibility without damaging structures, allowing adequate orbital reconstruction and excellent aesthetic results.

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