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| Iris angiography reveals hiding neovascularization after ischemic CRVO |
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作者：吴建国 文章来源：天津医科大学眼科中心 点击数：243 更新时间：2012/9/13 
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Background Detection of early anterior segment neovascularization after CRVO to avoid neovascular glaucoma (NVG) is challenging with a densely pigmented iris.
Methods Case report of a 54-year-old Chinese man with central retinal vein occlusion (CRVO) of over 20 days duration underwent simultaneous iris angiography (IA) with fluorescein and indocyanine green, although no anterior segment neovascularization was found on slitlamp or gonioscopy examination.
Results IA with indocyanine green revealed numerous iris vessels without dye leaking, whereas IA with fluorescein showed intense vessel leakage which supported the final diagnosis of ischemic CRVO and combined iris neovascularization (INV). Panretinal photocoagulation was started immedicately. Follow-up examinations revealed improved visual acuity (1/20 to 5/20) while intraocular pressure was maintained at a normal level. Subsequent IA showed dye leakage was dramatically decreased with fluorescein in the iris which indicated INV regressed.
Conclusion To avoid NVG in patients with CRVO, it is suggested to use IA to detect INV as a routine diagnostic tool. |
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