Revision History



Important: All items in bold in the Technique Parameters and Anatomic Coverage sections below are required to successfully achieve accreditation. CTDIvol information is required for each study. Either include a screen save of the dose with the images, or enter the dose as displayed by the scanner in the Clinical Test Image Data Sheet.


Adult Head

Technique Parameters

Required Series

Unenhanced

Reconstructed Slice Width

≤ 5 mm

Reconstruction Algorithm

Standard or equivalent 

Scan FOV

"Head" or equivalent

CTDIvol

Reference value: 75 mGy; Pass/Fail criteria: 80 mGy 

(As reported by the scanner based on a 16 cm phantom)

Anatomical Coverage

Coverage

Base of the skull through the vertex. Must include entire head with visualization of the entire bony cranium. 

Lens Exposure

Lens exposure should be avoided

Adult Temporal Bones

Technique Parameters

Required Series    

Axial and coronal; With multiple detector helical scanners, coronal images may be reconstructed from axial images

Reconstructed Slice Width

≤ 2 mm 

Reconstruction Algorithm

Sharp or equivalent high spatial frequency 

Scan FOV    

"Head" or equivalent

CTDIvol    

There are no reference values for this examination

Anatomical Coverage

Coverage

Axials: Mastoid tip through petrous bone Coronals: Mandibular condyles through mastoid bone

Display FOV

10 cm

Adult C-Spine

Technique Parameters

Required Series

Axial with sagittal and coronal reformations

Reconstructed Slice Width

≤ 3 mm 

Reconstruction Algorithm

Sharp (or equivalent) and smooth (or equivalent)

CTDIvol

There are no reference values for this examination

Anatomical Coverage

Coverage

Cranio-cervical junction to the T1 vertebrae

Display FOV

14-16 cm



Revision History for this Article

Date

Section

Description of Revision(s)

12-12-19

All

Article created; FAQs incorporated; No criteria changes




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