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  • Title: Transconjunctival approach for retrobulbar intraconal orbital cavernous hemangiomas. Orbital surgeon's perspective.
    Author: Kiratli H, Bulur B, Bilgiç S.
    Journal: Surg Neurol; 2005 Jul; 64(1):71-4. PubMed ID: 15993191.
    Abstract:
    BACKGROUND: Cavernous hemangioma is the most common benign intraorbital tumor found in adults. Most cavernous hemangiomas are located within the intraconal space. When indicated, complete surgical removal is the only treatment option. Several surgical techniques have been refined over the past decades. We describe our experience over transconjunctival approach in 24 patients with retrobulbar intraconal orbital cavernous hemangiomas. METHOD: This retrospective study includes 24 nonrandomly selected patients who had retrobulbar intraconal tumors. The presumptive preoperative diagnosis was based on magnetic resonance imaging findings. Compression on the optic nerve and/or the globe and proptosis constituted indications for surgery. The tumor was exposed via a transconjunctival route after temporarily disinserting an extraocular muscle depending on the location of the lesion. RESULTS: In all patients, the tumor was in touch with the globe and in most cases extended to the orbital apex. All tumors were removed intact. In 14 patients, tumors were extirpated with the aid of a cryoprobe. Visual acuity increased in 8 patients and remained stable in the rest. No serious or permanent complications were observed during or after the operation. CONCLUSIONS: Retrobulbar intraconal cavernous hemangiomas can be removed successfully through a transconjunctival approach with minimal damage to surrounding tissues. This method is best for tumors whose anterior borders are in contact or very close to the eye even if the posterior border abuts the orbital apex.
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