Fig. 1From: Radiation-induced parotid changes in oropharyngeal cancer patients: the role of early functional imaging and patient−/treatment-related factorsCentral section of parotids in a 44-year-old man affected by a tonsil carcinoma on the axial T2-weighted image (a), on the map of Ktrans (b) and on the diffusion-weighted image obtained with b of 800 s/mm2 (c) in the same anatomic location. Bottom: user-defined parotid contours overlaid on the axial T2-weighted image (d) and on the corresponding map of Ktrans (e) and diffusion-weighted image obtained with b of 800 s/mm2 (f)Back to article page