ArticleProceedings of SPIE--the International Society for Optical Engineering
A new candidate agent for fluorescence guided neurosurgery produces high, persistent tumor contrast shortly after administration.
Article in Proceedings of SPIE--the International Society for Optical Engineering. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Neurosurgical fluorescence guidance relies on contrast agents to identify tumor regions to aid in increasing the extent of resection. Existing contrast agents for this indication each have their own limitation: unpredictable contrast from tumor heterogeneity, significant extravasation into the background brain and long incubation times. An ideal contrast agent should have high and rapid contrast that persists well into the surgical procedure. By using a whole animal hyperspectral cryo-imaging system several CAs were screened for these favorable properties and compared to the gold standard of gadolinium enhanced MR. Herein, we briefly report on the leading candidate Rd-PEG1k, which shows high contrast within minutes of administration that persists for at least 90 minutes.
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