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  • Title: Fluorescein angiographic findings after intra-arterial chemotherapy for retinoblastoma.
    Author: Bianciotto C, Shields CL, Iturralde JC, Sarici A, Jabbour P, Shields JA.
    Journal: Ophthalmology; 2012 Apr; 119(4):843-9. PubMed ID: 22137042.
    Abstract:
    PURPOSE: To evaluate fluorescein angiography (FA) findings after intra-arterial chemotherapy (IAC) for retinoblastoma. DESIGN: Retrospective case series. PARTICIPANTS: Twenty-four eyes of 24 patients. INTERVENTION: Fifty-five IAC procedures for delivery of melphalan 5 mg and possible carboplatin 30 mg. MAIN OUTCOME MEASURES: Vascular flow of iris, retina, and choroid after IAC. RESULTS: All patients received melphalan 5 mg, whereas the first 6 patients also were treated with additional carboplatin 30 mg. The IAC was performed as primary treatment in 17 eyes and as secondary treatment (after systemic chemotherapy) in 7 eyes. Two patients also received external-beam radiotherapy before IAC. At presentation, FA revealed neovascularization of the iris (NVI) in 8 eyes, and after IAC, complete NVI regression was noted in 5 eyes (63%). After a mean follow-up of 13 months after IAC, FA depicted the main tumor with decreased fluorescence in 22 eyes (92%). After 55 ophthalmic artery catheterizations, retinal vascular abnormalities by FA were detected in 7 eyes (13%) and choroidal vascular abnormalities were detected in 6 eyes (11%). The retinal abnormalities included ophthalmic artery obstruction (n = 1), transient ophthalmic artery spasm (n = 1), central retinal artery obstruction (n = 1), branch retinal artery obstruction (n = 2), and peripheral retinal ischemia (n = 2). Additional retinal neovascularization was found in 1 patient. The choroidal abnormalities included sector (n = 5) or diffuse (n = 1) choroidal nonperfusion. New-onset iris neovascularization was found in 2 patients. Retinal vascular abnormalities were diagnosed after median of 1 month after the first IAC, whereas choroidal vascular abnormalities were found after median of 5 months after the first IAC. CONCLUSIONS: Fluorescein angiography suggests that vascular perfusion to the retina and the choroid can be compromised after IAC for retinoblastoma. The most common vascular abnormality was choroidal sector or diffuse nonperfusion.
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