Figure. Photographs of the left eye. A, Retcam color photograph in 2006. Arrow indicates the corresponding area at which the hemangioma-like lesion developed in 2009. B, Color photograph in 2009 showing a well-circumscribed, elevated, yellow lesion inferonasally anterior to the equator with associated tortuous feeder vessels. Scars from previous laser photocoagulation for retinopathy of prematurity are seen next to the tumor. The 2 white opacities seen in the middle of the photograph are posterior cortical opacities. C, Close-up of the hemangioma-like lesion. Early (D) and late (E) frames of fluorescein angiography showing leakage of the tumor as well as areas of nonperfused peripheral retina adjacent to the tumor. F, Immediately after laser photocoagulation of the tumor. Intravitreous bevacizumab was also given on the same day. G, One month after intravitreous bevacizumab treatment and laser photocoagulation of the tumor and peripheral nonperfused retina, showing complete regression of the tumor. H, Fluorescein angiogram showing no leakage.
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Chow CC, Blair MP, Shapiro MJ. Acquired Vasoproliferative Retinal Tumor: A Late Sequela of Retinopathy of Prematurity. Arch Ophthalmol. 2011;129(9):1234–1235. doi:10.1001/archophthalmol.2011.265
Author Affiliations: Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago (Drs Chow, Blair, and Shapiro), and Retina Consultants, Ltd, Des Plaines (Drs Blair and Shapiro).
Late sequelae of retinopathy of prematurity (ROP) in the Multicenter Trial of Cryotherapy for Retinopathy of Prematurity included retinal detachment, retinoschisis, retinal fold, and retrolental membrane.1 Examination of these eyes is often difficult, and mechanisms of failure are not thoroughly studied. We report a case of vasoproliferative retinal tumor (VPRT) in a teenager who had been born prematurely. We recommend that VPRT be added to the sequelae of chronic ROP that require examination of the peripheral retina beyond childhood.
A 16-year-old boy visited for routine ROP follow-up. He was born at 27 weeks' gestation, weighing 1134 g. He developed severe ROP leading to tractional retinal detachment despite laser photocoagulation. Subsequently, he underwent scleral buckle placement and multiple vitrectomies in each eye. In 2009, his visual acuity was hand motions OD and 20/300 OS. Dilated examination of the right eye showed a falciform fold extending from the disc to the periphery. The macula of the left eye showed pigmentary disruption and heterotropia. Inferonasally, there was an elevated mass 2 disc diameters in size with minimally dilated and tortuous feeder vessels. Fluorescein angiography showed leakage, consistent with a hemangioma-like lesion, and peripheral nonperfusion. A photographic survey of the periphery 3 years earlier documented absence of the lesion (Figure).
The feeder vessels and the tumor were treated with green laser, and additional laser was applied to the nonperfused area. Bevacizumab, 1.25 mg, was injected intravitreously. One month later, the tumor completely regressed with no leakage on fluorescein angiography.
We report a case of VPRT in a patient with ROP with residual nonperfusion. This tumor developed within 12 months of the previous examination and was successfully treated with laser photocoagulation and bevacizumab.
There is 1 previous report of an angioma-like mass in a patient with ROP.2 However, the diagnosis of ROP in that case was presumptive, and the timing of lesion development was unclear. Our case clearly documents the development of a VPRT during a 12-month interval. It is unique in that the patient was followed up photographically and we provided definitive proof that the lesion was not preexisting.
Exudative retinopathy has been described as a late sequela of ROP in adults.3 In 2 cases, mass lesions were noted, which may have been VPRT. Those cases were diagnosed as exudative retinopathy on the basis of the presence of lipid exudates, which were not present in our case. A recent article4 reported bilateral massive retinal gliosis in enucleated eyes after ROP. We suspect that exudative retinopathy and massive gliosis result from vasoproliferative stimulation from chronic ischemia.
Acquired VPRT has been associated with different ocular conditions,5 including uveitis, retinitis pigmentosa, and familial exudative vitreoretinopathy,6 although they remain idiopathic in most cases. These lesions are different from those associated with von Hippel-Lindau disease by unifocality, negative family history, and the absence of large dilated tortuous feeder vessels.5 The exact cause is unknown, although it has been proposed that they could be expressions of vascularization of pigment epithelial proliferation or reactive gliosis.5 We postulate that in the setting of chronic ROP and familial exudative vitreoretinopathy, there is retinal ischemia that produces a microenvironment conducive to vascular proliferation.
Ophthalmologists who care for patients with a history of ROP should be aware of this late sequela because it is responsive to treatment and may cause additional vision loss. This lesion may be underreported because it may be difficult to identify in the setting of fibrotic residua and tractional elements. We recommend fluorescein angiography if new retinal thickening or exudates are seen in order to identify treatable lesions. In this case, we were able to identify the lesion before massive exudation occurred. Treatment options include laser photocoagulation, cryotherapy, photodynamic therapy, and, more recently, antivascular endothelial growth factor such as bevacizumab.7,8
Correspondence: Dr Shapiro, Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, 1855 W Taylor St, M/C 648, Chicago, IL 60612 (email@example.com).
Author Contributions: Dr Shapiro had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Financial Disclosure: None reported.
Funding/Support: This work was supported by an unrestricted grant from Research to Prevent Blindness.
Role of the Sponsor: The sponsor had no role in the design or conduct of this research.