Preliminary experience & rationale of primary allo Simple Limbal Epithelial Transplantation (SLET) following surgical excision of Ocular Surface Tumors.

To report the preliminary outcomes and elucidate the possible rationale of alloSLET for primary ocular surface reconstruction following excision of extensive ocular surface tumors. Retrospective interventional case series with a minimum postoperative follow up of 1 year. AlloSLET was performed along with wide surgical excision and cryotherapy in 3 eyes. Of the 2 eyes with extensive OSSN and one with an extensive pigmented lesion, there was no occurrence of symblepharon in all 3 eyes. No features suggestive of LSCD was noted in 2 eyes. In the child with xeroderma pigmentosum and OSSN, early peripheral vascularization was noted at 1 year of follow up with reduced vision secondary to amblyopia. Primary alloSLET could be an alternative to primary autoSLET in eyes with extensive ocular surface tumors, commonly seen with ocular surface squamous neoplasia (OSSN) and pigmented lesions. This facilitates ocular surface reconstruction with reduced occurrence of symblepharon formation as well as limbal stem cell deficie4ncy (LSCD). It possibly, is the only option in eyes with OSSN with coexistent bilateral limbal insufficiency. It may obviate the need for autoSLET, primary or secondary in eyes with adequate residual limbus.

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