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Detection of a residual nidus by surgical microscope-integrated intraoperative near-infrared indocyanine green videoangiography in a child with a cerebral arteriovenous malformation.

With the use of indocyanine green (ICG) as a novel fluorescent dye, and its integration into a compact system that takes advantage of modern video technology, fluorescence angiography has recently reemerged as a viable option. In this report, the authors show the efficacy of ICG videoangiography in the case of a child with a cerebral arteriovenous malformation (AVM). In this case, the ICG videoangiography shows residual nidus of diffuse-type AVM. This is a safe and simple method that can be used to assess the microcirculation of the brain. The ICG videoangiography is helpful in resecting residual cerebral AVM, especially in cases of diffuse-type AVM.