Fig. 17.

A 48-year-old female with poor dental status presented with facial swelling and painful mouth opening. DECT was performed to rule out dental or neck abscesses, or arthritis of the temporomandibular joint. Mixed, 120-kVp-like images (a) demonstrated, besides a slight asymmetry no obvious abnormalities or fat stranding. The scan was initially interpreted as normal. However, Iodine map (b) and iodine fusion (c) images demonstrated clearly increased uptake of iodine at the superficial part of the parotid gland. Parotitis of the superficial lobe of the parotid gland was concluded