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Supraselective intra-arterial chemotherapy: evaluation of treatment-related complications in advanced retinoblastoma

Authors Mutapcic, Murray TG, Aziz-Sultan MA, Schefler AC, Quintero Wolfe S, Hess D, Fernandes CE, Dubovy SR

Published 10 February 2011 Volume 2011:5 Pages 171—176


Review by Single anonymous peer review

Peer reviewer comments 1

Lejla Mutapcic Vajzovic1, Timothy G Murray1, Mohammad A Aziz-Sultan2, Amy C Schefler1, Stacey Quintero Wolfe2, Ditte Hess1, Cristina E Fernandes3, Sander R Dubovy1,4
1Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA; 2Department of Neurological Surgery, University of Miami/Jackson Memorial Hospital, Miami, FL, USA; 3Department of Pediatrics, University of Miami Miller School of Medicine, Miami, FL, USA; 4Florida Lions Oculopathology Laboratory, Miami, FL, USA

Purpose: The purpose of this study is to report the complication profile and safety evaluation of supraselective intra-arterial melphalan chemotherapy in children undergoing treatment with advanced retinoblastoma.
Methods: Twelve eyes of 10 children with advanced retinoblastoma (Reese-Ellsworth Group Vb or International Classification Group D) were treated with supraselective intra-ophthalmic artery infusion of melphalan. Eleven eyes of nine children had previously failed traditional management with systemic chemotherapy and laser ablation and underwent intra-ophthalmic artery infusion of melphalan as an alternative to enucleation. Serial ophthalmic examinations, retinal photography, and ultrasonographic imaging were used to evaluate treatment regime.
Results: Ophthalmic artery cannulation was successfully performed in 12 eyes of 10 patients (total 16 times). Striking regression of tumor, subretinal and vitreous seeds were seen early in each case. No severe systemic side effects occurred. Grade III neutropenia was seen in one patient. No transfusions were required. Three patients developed a vitreous hemorrhage obscuring tumor visualization. One patient developed periocular edema associated with inferior rectus muscle inflammation per orbital MRI. This same patient had scattered intraretinal hemorrhages and peripapillary cotton wool spots consistent with a Purtscher’s-like retinopathy that resolved spontaneously. At the 6-month follow-up examination, nine eyes had no evidence of tumor progression, whereas three eyes were enucleated for tumor progression. In each enucleated case, viable tumor was identified on histopathologic examination.
Conclusions: Ophthalmic intra-arterial infusion with melphalan is an excellent globe-conserving treatment option in advanced retinoblastoma cases with minimal systemic side effects. Local toxicities include microemboli to the retina and choroid (1/12, 8%), vitreous hemorrhage (3/12, 25%), and myositis (1/12, 8%). Enucleation remained a definitive treatment for tumor progression in 3 of 12 eyes in this small case series with limited follow-up. Further studies are necessary to establish the role of supraselective intra-arterial melphalan chemotherapy for children with retinoblastoma.

Keywords: retinoblastoma, intra-arterial chemotherapy, melphalan

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