326 / 2351
5
5
Nodal staging
Hypopharyngeal ca.
Supraglottic laryngeal ca.
Inferior soft tissue contrast (vs. MRI)
Base of tongue ca.
CT
MRI
‘Streak’ artifacts
CT: Dental metallic fillings
Dental filling artifacts: CT / MRI
CT
MRI
Multi-detector Spiral CT Neck
‘Box’ acquisition
–
Upper orbit / lung apex
Scanning time: +/- 7 sec.
+/- 400 sections: 1,5mm
–
Reconstructions: 3mm
–
Standard directions (3)
Standard directions
Transverse
Coronal
Sagital