Gupta Vishali, Gupta Amod, Dogra Mangat R, Agarwal Anita
Department of Ophthalmology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Ophthalmic Surg Lasers Imaging. 2005 Nov-Dec;36(6):482-6.
To describe the optical coherence tomographic features in patients with group 2A idiopathic juxtafoveolar telangiectasis.
Forty eyes of 20 consecutive patients with idiopathic juxtafoveolar telangiectasis seen between August 2002 and January 2004 were included in the study. All of the patients underwent color fundus photography, fluorescein angiography, and optical coherence tomography. The main outcome measure was optical coherence tomography findings.
The most consistent finding between stages 2 through 5 of group 2A idiopathic juxtafoveolar telangiectasis seen in 35 (87.5%) eyes on optical coherence tomography was the presence of hyporeflective intraretinal spaces in the absence of retinal thickening. Other findings included the presence of hyperreflectivity in the middle or inner retinal layers, suggesting retinal pigment epithelium proliferation and migration corresponding to the stellate foci of pigmentation in stage 4 and features of choroidal or subretinal neovascular membrane in stage 5.
The optical coherence tomography findings in group 2A idiopathic juxtafoveolar telangiectasis were characteristic and may be helpful in making the diagnosis and defining, as far as possible, the anatomical staging.
描述2A型特发性黄斑旁毛细血管扩张症患者的光学相干断层扫描特征。
本研究纳入了2002年8月至2004年1月期间连续就诊的20例特发性黄斑旁毛细血管扩张症患者的40只眼。所有患者均接受了彩色眼底照相、荧光素血管造影和光学相干断层扫描。主要观察指标为光学相干断层扫描结果。
在光学相干断层扫描中,35只(87.5%)眼在2A 型特发性黄斑旁毛细血管扩张症2至5期出现的最一致表现是在无视网膜增厚的情况下存在低反射性视网膜内间隙。其他表现包括视网膜中层或内层出现高反射性,提示视网膜色素上皮增殖和迁移,对应于4期的星芒状色素沉着灶以及5期的脉络膜或视网膜下新生血管膜特征。
2A型特发性黄斑旁毛细血管扩张症的光学相干断层扫描结果具有特征性,可能有助于诊断并尽可能明确解剖分期。