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.