Fig. 4From: Correlation of [18F] FDG-PET/CT with dosimetry data: recurrence pattern after radiotherapy for head and neck carcinomaExample of oral cavity recurrence “out of field”. a Planning CT displayed in transverse plans with isodose lines. b Dose-volume histograms (DVH) showing an appropriate coverage of MTVpre. MTVrec is outside dose coverage region (D99 = 44.7 Gy and MTVrec D95 = 47.4 Gy). Light gray contour: MTVpre. Black contour: MTVrecBack to article page