{"entity":{"id":"optical-imaging","kind":"technology","name":"Optical & fluorescence imaging","aka":[],"tldr":"Dyes that glow under special light, so surgeons can see tumour edges and nerves in the operating theatre.","summary":"Indocyanine green for lymphatic mapping and perfusion; 5-ALA (Gleolan) for glioma resection; pafolacianine (Cytalux, folate-receptor targeted) for ovarian and lung cancer; pegulicianine (Lumisight) for breast lumpectomy margin assessment. 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