Muci-Mendoza R, Arevalo J F, Ramella M, Fuenmayor-Rivera D, Karam E, Cardenas P L, Recio M V
Neuro-Ophthalmology Unit, Hospital Vargas de Caracas, Universidad Central de Venezuela, Caracas, Venezuela.
Ophthalmology. 1999 Feb;106(2):311-8. doi: 10.1016/S0161-6420(99)90055-6.
To report the indocyanine green videoangiography (ICG-V) characteristics of optociliary veins (OV) in optic nerve sheath meningioma (ONSM).
Case series.
Four eyes (patients) with OV and ONSM were examined.
Indocyanine green videoangiography and intravenous fluorescein angiography (IVFA) were prospectively performed.
The course of OV in ONSM cases was observed with ICG-V and IVFA.
On ICG-V, the course of OV was followed from their origin at small tributaries of the central retinal vein, their junction with choroidal veins, and finally to their drainage in the vortex venous system. The authors found an inverse relationship between the degree of optic disc edema and the development and ease of visualization of the optociliary veins and their draining course through the choroidal circulation. The mean time from the injection of indocyanine green to the visualization of OV's draining choroidal vessels was 35.4 seconds (range, 25.4-50 seconds). Intravenous fluorescein angiography allowed visualization of OV only at the margins of the optic disc in all cases.
Indocyanine green videoangiography provides important and new information in cases with OV and ONSM that is not obtained with IVFA. Such information may provide important knowledge regarding the hemodynamics of the choroidal circulation in normal and pathologic states.
报告视神经鞘膜瘤（ONSM）中视睫状静脉（OV）的吲哚菁绿视频血管造影（ICG-V）特征。
病例系列。
对4例患有OV和ONSM的眼睛（患者）进行检查。
前瞻性地进行吲哚菁绿视频血管造影和静脉荧光素血管造影（IVFA）。
用ICG-V和IVFA观察ONSM病例中OV的走行。
在ICG-V上，可追踪到OV从视网膜中央静脉小分支起源，与脉络膜静脉汇合，最终引流至涡静脉系统。作者发现视盘水肿程度与视睫状静脉的发育及可视化程度以及它们通过脉络膜循环的引流过程呈负相关。从注射吲哚菁绿到OV引流脉络膜血管显影的平均时间为35.4秒（范围25.4 - 50秒）。在所有病例中，静脉荧光素血管造影仅能在视盘边缘显示OV。
吲哚菁绿视频血管造影为患有OV和ONSM的病例提供了IVFA无法获得的重要新信息。这些信息可能为正常和病理状态下脉络膜循环的血流动力学提供重要知识。
