Photo Essay Recurrent Vitreous Hemorrhage in a Case of Retinal Cavernous Hemangioma: A Rare Presentation Hossein Hasanpour, MD; Alireza Ramezani, MD; Saeed Karimi, MD Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

J Ophthalmic Vis Res 2016; 11 (3): 333-335.

PERESENTATION A 33‑year‑old male presented with unilateral intermittent floaters and blurring of vision in the left eye for many years. Past medical history was unremarkable. There was no family history of ocular or neurological disorders. Uncorrected visual acuity was 20/20 in both eyes. Slit lamp findings and tonometry results were unremarkable in both eyes. Funduscopic examination of the right eye was normal. In funduscopy of the left eye, contiguous clusters of red and dilated saccules with gray‑white surface gliosis were seen in the superior nasal quadrant. In addition, an overlying clotted vitreous hemorrhage and multiple adjacent smaller saccular aneurysmal venous dilations were visible [Figure 1]. Fluorescein angiography showed a large blocking area caused by the clot. Multiple saccular‑shaped hyperfluorescences with plasma–erythrocyte level formation corresponding to dilated venules were visible around the clot. There was no leakage [Figure 2]. These findings were compatible with the diagnosis of retinal cavernous hemangioma. Correspondence to:

Alireza Ramezani, MD. Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, No. 23, Paidarfard St., Boostan 9 St., Pasdaran Ave., Tehran 16666, Iran. E‑mail: [email protected] Received: 15-10-2015

Accepted: 28-11-2015

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Website: www.jovr.org

DOI: 10.4103/2008-322X.188398

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Figure 1. Fundus photograph of the right eye which is normal (a). Fundus photograph of the left eye shows retinal cavernous hemangioma with overlying large clot hemorrhage in the supranasal part of the retina (b-d).

DISCUSSION Retinal cavernous hemangioma is a rare and benign tumor which is characterized by the formation of grapelike clusters of thin‑walled saccular angiomatous lesions in the inner retina or on the optic nerve head.[1] Although most cases of cavernous hemangioma are sporadic, they may occur in a familial (autosomal dominant) pattern and may be associated with intracranial and skin hemangiomas.[2] This tumor may be partially obscured by an epiretinal membrane. This is an open access article distributed under the terms of the Creative Commons Attribution‑NonCommercial‑ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non‑commercially, as long as the author is credited and the new creations are licensed under the identical terms. For reprints contact: [email protected]

How to cite this article: Hasanpour H, Ramezani A, Karimi S. Recurrent vitreous hemorrhage in a case of retinal cavernous hemangioma: A rare presentation. J Ophthalmic Vis Res 2016;11:333-5.

© 2016 Journal of Ophthalmic and Vision Research | Published by Wolters Kluwer - Medknow

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Figure 2. Fluorescein angiogram of the right eye is normal (a). Fluorescein angiogram of the left eye shows a large blocking area caused by a clot (b). Multiple saccular-shaped hyperfluorescences corresponding to dilated venules are visible around the clot. Staining of the involved venous aneurysm is seen in later stages, without any leakage (c-g).

The blood flow in these hamartomatous lesions is derived from the retinal circulation and plasma‑erythrocyte layering occurs as a result of the sluggish blood flow. Fluorescein leakage is characteristically absent which is helpful to differentiate the condition from retinal telangiectasia, von Hippel retinal angiomatosis, and racemose aneurysm of the retina. Messmer et al[3] reported a case of cavernous hemangioma as a peripheral dilated shunt vessel connecting the superior and inferior temporal vascular arcades. Some authors reported unilateral retinal cavernous hemangiomas extending circumferentially involving 360° of the mid‑peripheral retina.[4] A self‑limiting vitreous hemorrhage has been reported in few reports.[1] Shields et al[5] reported a newborn who had hyphema and vitreous hemorrhage in her left eye immediately after birth. The fundus lesion did not enlarge during a 52‑year course follow up, but numerous episodes of hyphema and vitreous hemorrhage led to chronic glaucoma and eventual visual loss. Our patient presented with only a large clot overlying a vascular lesion without any other complications. The tumor appears to be non‑progressive in long term with a documented growth described in only 1 of the 61 reported cases.[3] The majority of cavernous hemangiomas of the retina remain stable over time, most can be followed with periodic examinations. Some tumors may undergo spontaneous thrombosis and subsequently develop increased surface gliosis.[6] No curative treatment modality has been determined for these tumors; however, laser therapy has been reported in a few cases. [1] Japiassú et al reported regression of macular cavernous hemangioma with systemic infliximab. They found improvement of visual acuity with a prominent involution of 334

the tumor two weeks after the second infusion of infliximab.[7] Conversely, Alsulaiman et al[8] reported no evident change in the size of the retinal cavernous hemangioma after 4 cycles of intravenous infliximab over a period of 3 months. In our patient, the vascular lesion did not involve the macula, and no accompanying significant complications were noted; therefore, we preferred to regularly follow the patient. In summary, we present a case of previously undiagnosed retinal cavernous hemangioma with multiple episodes of mild vitreous hemorrhage presenting as a large clot overlying a vascular lesion. Retinal cavernous hemangioma should be included in the differential diagnosis of recurrent vitreous hemorrhage.

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Conflicts of Interest There are no conflicts of interest.

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Gass JD. Cavernous hemangioma of the retina. A neuro‑oculo‑cutaneous syndrome. Am J Ophthalmol 1971;71:799‑814. Verlaan DJ, Davenport WJ, Stefan H, Sure U, Siegel AM, Rouleau GA. Cerebral cavernous malformations: Mutations in Krit1. Neurology 2002;58:853‑857. Messmer E, Laqua H, Wessing A, Spitznas M, Weidle E, Ruprecht K, et al. Nine cases of cavernous hemangioma of the retina. Am J Ophthalmol 1983;95:383‑390. Hewick S, Lois N, Olson JA. Circumferential peripheral retinal cavernous hemangioma. Arch Ophthalmol 2004;122:1557‑1560. Shields JA, Eagle RC Jr., Ewing MQ, Lally SE, Shields CL.

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Retinal cavernous hemangioma: Fifty‑two years of clinical follow‑up with clinicopathologic correlation. Retina 2014;34:1253‑1257. Turell ME, Singh AD. Vascular tumors of the retina and choroid: Diagnosis and treatment. Middle East Afr J Ophthalmol 2010;17:191‑200.

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Japiassú RM, Moura Brasil OF, de Souza EC. Regression of macular cavernous hemangioma with systemic infliximab. Ophthalmic Surg Lasers Imaging 2010;Mar 9:1-3. Alsulaiman SM, Abouammoh MA, Al‑Dahmash SA, Abu El‑Asrar AM. Is systemic infliximab therapy effective for retinal cavernous hemangioma? Saudi Med J 2014;35:1127‑1130.

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Recurrent Vitreous Hemorrhage in a Case of Retinal Cavernous Hemangioma: A Rare Presentation.

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