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  • Title: [Prognosis of primary malignant tumors of the conjunctiva].
    Author: Chebbi A, Bouguila H, Boukari M, Lajmi H, Bouzain M, Abess I, Malek I, Mrad K, Zeghal I, Nacef L.
    Journal: J Fr Ophtalmol; 2015 Jun; 38(6):477-85. PubMed ID: 25976134.
    Abstract:
    PURPOSE: To discuss possible factors that could influence the prognosis of primary malignant conjunctival tumors. PATIENTS AND METHODS: We retrospectively analyzed medical records of 79 patients followed for primary malignant conjunctival tumors between January 1997 and July 2011. RESULTS: The mean age at the time of diagnosis was 61.1 years; male/female ratio was 2.59. The mean tumor size was 13.9 mm. The histological type was invasive squamous cell carcinoma in 43 cases (54.4%), epithelial dysplasia in 11 cases (13.9%), carcinoma in situ in 7 cases, conjunctival malignant melanoma in 5 cases, conjunctival lymphoma in 4 cases and other rare tumors in 9 cases. We performed an excisional biopsy with a safety margin in 89.8% of cases, associated with cryotherapy in 46.6% of cases. Enucleation was performed in two cases and orbital exenteration in 5 cases. We noted tumor recurrence in 33.3% of patients after an average period of 9.5 months. Radiation therapy was indicated in 44 cases (55.7%). The mean follow-up of our patients was 42 months. Tumor recurrences were statistically associated with a history of xeroderma pigmentosum (P=0.012), a diagnostic delay more than 11 months (P=0.001), caruncular location (P=0.004), tumor size greater than 10mm (P=0.044), scleral extension (P=0.011), initial treatment limited to excisional biopsy (P=0.033) and histopathologic involvement of the margin of the tumor resection (P=0.008). CONCLUSION: A better understanding of the prognostic factors of primary malignant conjunctival tumors is essential for management and may improve the prognosis of these tumors.
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