Indications: middle ear vascular tumors. 150 mL @ 2.5 mL/sec, OR 100 mL @ 2.5 mL/sec Contrast parameters with 30 mL saline chaser Region of scan EAC through top of petrous bones Scan delay 60 sec Detector collimation 0.6 mm non-helical direct axials and direct coronals. Slice thickness 1.0 mm axials, 1.0 mm coronals. Filming H30f, U90u kernels Comments: Siemens InnerEarSeqUHR package. Acquire through symptomatic side only; divide contrast dose between axial and coronal acquisitions. N 7: Soft tissue neck CT with contrast Indications: neck masses, tumor staging, abscesses. 125 mL @ 2.5 mL/sec; OR 100 mL @ 2.5 mL/sec, Contrast parameters with 30 mL saline flush 1) Sella to aortic arch Region of scan 2) Pharynx (angled axials) Scan delay 40 sec Detector collimation 16 x 0.75 mm, 64 x 0.6 mm, 128 x 0.6 mm 3.0 mm axials and oblique axials; 3.0 mm thick Slice thickness coronal reformats
Indications: middle ear vascular tumors. Contrast parameters 150 mL @ 2.5 mL/sec, OR 100 mL @ 2.5 mL/sec with 30 mL saline chaser Region of scan EAC through top of petrous bones Scan delay 60 sec Detector collimation 0.6 mm non-helical direct axials and direct coronals. Slice thickness 1.0 mm axials, 1.0 mm coronals. Filming H30f, U90u kernels Comments: Siemens InnerEarSeqUHR package. Acquire through symptomatic side only; divide contrast dose between axial and coronal acquisitions. N 7: Soft tissue neck CT with contrast Indications: neck masses, tumor staging, abscesses. Contrast parameters 125 mL @ 2.5 mL/sec; OR 100 mL @ 2.5 mL/sec, with 30 mL saline flush Region of scan 1) Sella to aortic arch 2) Pharynx (angled axials) Scan delay 40 sec Detector collimation 16 x 0.75 mm, 64 x 0.6 mm, 128 x 0.6 mm Slice thickness 3.0 mm axials and oblique axials; 3.0 mm thick coronal reformats