Array ( [urn:ac.highwire.org:guest:identity] => Array ( [runtime-id] => urn:ac.highwire.org:guest:identity [type] => guest [service-id] => ajnr-ac.highwire.org [access-type] => Controlled [privilege] => Array ( [urn:ac.highwire.org:guest:privilege] => Array ( [runtime-id] => urn:ac.highwire.org:guest:privilege [type] => privilege-set [privilege-set] => GUEST ) ) [credentials] => Array ( [method] => guest ) ) ) 1naresh

Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)

Image-acquisition parameters, workstation, and viewing modes used for the evaluation
Scanner Model 250 mAs 180 mAs
Scanner sequence Unenhanced image Unenhanced image
KVp/tube current 120/250 120/180
Pitch/rotation 0.390/0.5 0.390/0.5
Detector configuration 64 × 0.625 64 × 0.625
Kernel B B
Section thickness 1 mm 1 mm
Reconstructed thickness 5 mm 5 mm
Iterative reconstruction algorithm/level Spectral/level 3 Spectral/level 3
Workstation IntelliSpace 9.0^a IntelliSpace 9.0^a
Viewing modeVMI MonoE MonoE
CT dose 
 DLP (mGy×cm) 717.47 (SD, 41.52) 520.74 (SD, 42.00)
 DLP, 0–6 yr 711.45 (SD, 47.83) 503.76 (SD, 54.00)
 DLP, 7–12 yr 724.75 (SD, 31.80) 531.88 (SD, 27.47)
 CTDI_vol (mGy) 36 26
Note:—MonoE indicates monoenergetic.
↵a Philips Healthcare.

Scanner Model	250 mAs	180 mAs
Scanner sequence	Unenhanced image	Unenhanced image
KVp/tube current	120/250	120/180
Pitch/rotation	0.390/0.5	0.390/0.5
Detector configuration	64 × 0.625	64 × 0.625
Kernel	B	B
Section thickness	1 mm	1 mm
Reconstructed thickness	5 mm	5 mm
Iterative reconstruction algorithm/level	Spectral/level 3	Spectral/level 3
Workstation	IntelliSpace 9.0^a	IntelliSpace 9.0^a
Viewing modeVMI	MonoE	MonoE
CT dose
DLP (mGy×cm)	717.47 (SD, 41.52)	520.74 (SD, 42.00)
DLP, 0–6 yr	711.45 (SD, 47.83)	503.76 (SD, 54.00)
DLP, 7–12 yr	724.75 (SD, 31.80)	531.88 (SD, 27.47)
CTDI_vol (mGy)	36	26