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Mucous membrane grafting for cicatricial entropion repair: review of surgical techniques and outcomes.

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Mucous membrane graft (MMG) is used for moderate-to-severe cicatricial entropion repair either in primary or recurrent cases. We conducted a review to comprehensively summarize the various surgical techniques, outcomes, and… Click to show full abstract

Mucous membrane graft (MMG) is used for moderate-to-severe cicatricial entropion repair either in primary or recurrent cases. We conducted a review to comprehensively summarize the various surgical techniques, outcomes, and complications of using MMG for cicatricial entropion. Though the comparison between different techniques is limited by multiple factors like small numbers of cicatricial entgropion patients, variable severity and success criteria across studies, and different underlying cicatricial entropion etiologies, the author has brought forth the nuances of the use of MMG for cicatricial entropion repair along with its outcomes and complications. MMG use in moderate-to-severe cicatricial entropion gives favourable outcomes. The shortened tarsoconjunctiva is lengthened using MMG, which is used either with terminal tarsal rotation or anterior lamellar recession (ALR) or tarsotomy alone. Non-trachomatous entropion has poor outcomes compared to trachomatous entropion. The most common source of MMG is labial or buccal mucosa and the exact size of MMG harvested is variable according to the defect, and very few prefer oversizing the graft by 10-30%. The outcomes of ALR+MMG appear similar to tarsal rotation and MMG for severe cicatricial entropion. The recurrences of trichiasis or entropion can occur for up to one year after surgery, irrespective of the technique used. Factors affecting the outcomes of cicatricial entropion repair are not well known. There is a non-uniformity in data reporting across literature; hence, future studies with details on severity of entropion, ocular surface changes, forniceal depth and ocular surface inflammation, and the degree of dry eye disease would be informative.

Keywords: cicatricial entropion; surgical techniques; entropion repair; mucous membrane; entropion

Journal Title: Orbit
Year Published: 2023

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