CT NECK
Routine ST Neck CT
Indications –Abscess, mass, lymphoma, adenopathy, mets.
Position/Landmark
Supine-Head first / Sternal Notch (SN)
Scout direction
Craniocaudal
Respiration
None
Scan Type
Helical / Full
Rotation/Pitch/Index
KV/ mA/ Rotation time (sec): 120kv / (100-600) Smart mA / 0.8
Pitch/ Speed(mm/rotation): 1.375:1 / 55.00
Noise Index: NI-19.00
Detector width x rows = Beam Collimation
0.625 X 64 = 40mm
Slice Thickness/Spacing Algorithm/Recon
Recon
1. Thin cuts
2. ST Neck
Thickness/spacing
0.625mm X 0.625mm
2.5mm X 2.5mm
Algorithm
Standard
Standard
Angle
NONE
Location/FOV
Start/End Location: Approximately 2cm above Temp. Bone / Down to the Carina
SFOV: Small body
DFOV: 22cm
IV Contrast Volume/Type/Rate
100ml / Isovue 370 / 2.5ml/sec
Scan Delay
40 sec
2D/3D
Coronal and Sagittal reformations.
Comments:
If patient has fillings or unremovable metal in mouth, scan through area of artifacts w/ a superior Angle to avoid the metal.
Images Required in PACS
Scouts, Axial 2.5mm images, Coronal & Sagittal reformations and the Dose report.