Different imaging techniques in the head and neck: Assets and drawbacks

Figure 1 Chronic sinusitis, especially in the left maxillary sinus. A: SOMATOM Definition Flash coronal reconstruction; B: SOMATOM Definition Flash computed tomography axial layer.

Figure 2 Palatine tonsil carcinoma on the left side. A: MRT T2-weighted axial layer; B: MRT T1-weighted axial layer; C: MRT T1-weighted coronal layer.

Figure 3 Positron emission tomography-CT after resection of a melanocytic tumor of uncertain malignant origin. A: The resection area still showed a higher glucose metabolism than normal healthy tissue at 2 mo after therapy; B: A small lymph node (LN), but no sign of higher metabolism; C: A malignant LN with higher metabolism; D: There was no higher glucose metabolism noticeable at 6 mo after therapy.

Figure 4 Flash CT dual-energy bone removal head collection showing the carotid arteries.

Figure 5 Definition Flash-CT showing the cerebral arteries.