Imaged guided surgery during arteriovenous malformation of gastrointestinal stromal tumor using hyperspectral and indocyanine green visualization techniques: A case report

Figure 4 Early and late onset image of the anterior side posterior side of the tumor mass after indocyanine green application and simultaneous observation of the arteriovenous malformations using fluorescence imaging device. A: Anterior side, early onset image of the tumor mass after indocyanine green application; B: Anterior side, late onset image of the tumor mass after indocyanine green application; C: Posterior side, early onset image of the tumor mass after indocyanine green application; D: Posterior side, onset image of the tumor mass after indocyanine green application.