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

Figure 5 Images acquired via TIVITA^® Tissue system (Diaspective Vision GmbH, Am Salzhaff, Germany). The software provides a red–green–blue image (RGB image) and four false-color images with an effective number of 640 × 480 pixels, which respectively represent tissue oxygenation, near-infrared perfusion index, tissue water index, and organ hemoglobin index[5]. A: Red–green–blue image; B: Oxygenation; C: Near infra-red perfusion index; D: Organ hemoglobin index; E: Tissue- water- index.