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  • Title: Ocular surface reconstruction using amniotic membrane following excision of conjunctival and limbal tumors.
    Author: Asoklis RS, Damijonaityte A, Butkiene L, Makselis A, Petroska D, Pajaujis M, Juodkaite G.
    Journal: Eur J Ophthalmol; 2011; 21(5):552-8. PubMed ID: 21188684.
    Abstract:
    PURPOSE: To report the clinical results of patients treated by preserved human amniotic membrane transplantation (AMT) following the removal of conjunctival and limbal tumors. METHODS: Retrospective noncomparative interventional case series of 9 patients (9 eyes) who underwent AMT after removal of conjunctival and limbal tumors with lesion-free margins and perilesional cryotherapy. RESULTS: The excised tumors were histopathologically examined and included 2 squamous cell carcinomas, 2 papillomas, and 5 nevi. Bulbar conjunctiva was involved in all of the eyes, limbus and cornea in 7 and 3 eyes, respectively. The mean extent of the limbal involvement was 4 clock hours (range 2-9, SD 2.4); the average diameter of the base of the tumor was 12.8 mm (range 10-20, SD 4.4). The mean follow-up time was 38 months (range 13-60, SD 15). No surgical or early postoperative complications were observed. In all eyes, complete healing of the tissue defect occurred, resulting in a stable, wet, and noninflamed epithelium. All eyes demonstrated a smooth ocular surface except one with a clinically insignificant symblepharon after the excision of a squamous cell carcinoma. Superficial peripheral corneal vascularization and opacification as a sign of partial limbal stem cell deficiency developed in 2 eyes. In one case, a recurrence of conjunctival papilloma was diagnosed after a 3-year follow-up. CONCLUSIONS: Amniotic membrane transplantation is an effective method of reconstruction following a conjunctival and limbal tumor excision and cryotherapy of surgical wound margins. In most cases, complete healing of an ocular surface can be achieved without any clinically significant complications.
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