​CT ORBITS

ORBITS CT

Indication: Fracture, Abscess, Cellulitis, Tumor

Position/Landmark

Head First / EAM

Scout direction

Cranio- Caudal

​Respiration

NONE

Scan Type

Helical

Rotation/Pitch/Index

​KV/ mA/ Rotation time (sec): 120kv / (10-400) Smart mA / 0.8sec
Pitch/ Speed(mm/rotation): 0.969:1 / 19.37
Noise Index: 7.00

​Detector width x rows = Beam Collimation

0.625mm X 32 = 20mm

​Slice Thickness/Spacing Algorithm/Recon

​Recon

1. Thin cuts
2. Orbits
3. Orbits

​Thickness/spacing

0.625mm X 0.625mm
2.5mm X 2.5mm
2.5mm X 2.5mm

​Algorithm

Detail (for DMPR)
Bone
Standard

Angle

NONE

Location/FOV

​Start/End Location: Below the hard palate/ through the superior orbit
SFOV: Head
DFOV: 20cm

​IV Contrast Volume/Type/Rate 

75ml Isovue 370 up to 2.5ml/sec
Used for cellulitis, abscess or tumor at Physician/ Radiologist discretion

Scan Delay

30-40 sec

2D/3D

DMPR 2.5mm X 2.5mm Coronal

Comments:

NA

Images Required in PACS

Scouts, 2.5mm Axial images, Coronal DMPR images & Dose Report