Fig. 2From: Combined PET/CT-perfusion in patients with head and neck cancers might predict failure after radio-chemotherapy: a proof of concept study71 yo male with squamous cell carcinoma of the larynx. CTP. 1a–c: axial Blood flow, Blood volume, Mean Transit Time. Pre-therapeutic scan showing the tumor (arrow). 2a-c axial Blood flow, Blood volume, Mean Transit Time. Post-therapeutic scan showing the residual reactive changes without tumor (arrow)Back to article page