A case of vasoproliferative retinal tumor complicated by neovascular glaucoma.

Abstract

To report a case of vasoproliferative retinal tumor complicated by neovascular glaucoma that showed remission after vitrectomy surgery to remove the tumor. A 78-year-old man was referred to the hospital with a complaint of visual loss in his right eye. Corrected visual acuity was 0.5 in the right eye and 1.2 in the left eye. The right eye showed mild vitreous hemorrhage and an elevated lesion in the lower fundus. Fluorescein angiography demonstrated leakage from the tumor, and a 4-mm lesion of high density was seen on computed tomography, and we diagnosed it as retinal capillary hemangioma. In this case, von Hippel-Lindau disease was negative. During the course of the disease, peripheral anterior synechia and neovascularization was seen in the iris and angle, and vitreous surgery was enforced to remove the tumor because of increased intraocular pressure. The tumor was removed as almost one mass. Histologically, the tumor was composed of glial cells and small vessels proliferation. We diagnosed vasoproliferative retinal tumor. Seven months after surgery, the intraocular pressure stabilized, and neovascularization of the iris and angle disappeared. Visual acuity was 0.03 due to epiretinal membrane and optic atrophy. There were no signs of recurrence. The vitreous surgery is one of the effective treatment methods against vasoproliferative retinal tumor complicated by neovascular glaucoma.