The right parotid gland is encircled in red, the left parotid gland is encircled in green, the right submandibular gland is encircled in blue and the left submandibular gland is encircled in yellow.
Time-activity curves are presented on the right and each colour corresponds to the previously encircled glands, respectively.
Note the severe functional affection with a significant reduction in the uptake of the radioactive probe and absence of the discharge phase, even after the stimulation with a sialogogue (red line at 9 minutes).