Image noise and radiation dose using an automatic tube current modulation technique at 64-detector computed tomography: Effect of off-center patient position, bowtie filter type, and scan projection radiograph

Yoshinori Funama; Katsuyuki Taguchi; Kazuo Awai; Daisuke Sakabe; Masamichi Shimamura; Yasuyuki Yamashita

doi:10.1097/RCT.0b013e31819d6f6f

Image noise and radiation dose using an automatic tube current modulation technique at 64-detector computed tomography: Effect of off-center patient position, bowtie filter type, and scan projection radiograph

Yoshinori Funama, Katsuyuki Taguchi, Kazuo Awai, Daisuke Sakabe, Masamichi Shimamura, Yasuyuki Yamashita

School of Medicine

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

We describe the effect of the off-center position, the bowtie filter type, and the direction of scan projection radiograph on the radiation dose and image noise of 64-detector computed tomographic scans using the automatic tube current modulation technique. On anteroposterior scan projection radiographs, the tube current ratio increased, with an increase in the off-center position of the phantom irrespective of the filter size. On lateral scan projection radiographs, it remained constant with each bowtie filter type regardless of the off-center phantom position.

Original language	English (US)
Pages (from-to)	973-977
Number of pages	5
Journal	Journal of computer assisted tomography
Volume	33
Issue number	6
DOIs	https://doi.org/10.1097/RCT.0b013e31819d6f6f
State	Published - 2009

Keywords

ATCM technique
Bowtie filter
Image noise
Radiation dose
Scan projection radiograph

ASJC Scopus subject areas

Radiology Nuclear Medicine and imaging

Access to Document

10.1097/RCT.0b013e31819d6f6f

Fingerprint

Dive into the research topics of 'Image noise and radiation dose using an automatic tube current modulation technique at 64-detector computed tomography: Effect of off-center patient position, bowtie filter type, and scan projection radiograph'. Together they form a unique fingerprint.

Cite this

Funama, Y., Taguchi, K., Awai, K., Sakabe, D., Shimamura, M., & Yamashita, Y. (2009). Image noise and radiation dose using an automatic tube current modulation technique at 64-detector computed tomography: Effect of off-center patient position, bowtie filter type, and scan projection radiograph. Journal of computer assisted tomography, 33(6), 973-977. https://doi.org/10.1097/RCT.0b013e31819d6f6f

Image noise and radiation dose using an automatic tube current modulation technique at 64-detector computed tomography: Effect of off-center patient position, bowtie filter type, and scan projection radiograph. / Funama, Yoshinori; Taguchi, Katsuyuki; Awai, Kazuo et al.
In: Journal of computer assisted tomography, Vol. 33, No. 6, 2009, p. 973-977.

Research output: Contribution to journal › Article › peer-review

Funama, Y, Taguchi, K, Awai, K, Sakabe, D, Shimamura, M & Yamashita, Y 2009, 'Image noise and radiation dose using an automatic tube current modulation technique at 64-detector computed tomography: Effect of off-center patient position, bowtie filter type, and scan projection radiograph', Journal of computer assisted tomography, vol. 33, no. 6, pp. 973-977. https://doi.org/10.1097/RCT.0b013e31819d6f6f

Funama Y, Taguchi K, Awai K, Sakabe D, Shimamura M, Yamashita Y. Image noise and radiation dose using an automatic tube current modulation technique at 64-detector computed tomography: Effect of off-center patient position, bowtie filter type, and scan projection radiograph. Journal of computer assisted tomography. 2009;33(6):973-977. doi: 10.1097/RCT.0b013e31819d6f6f

@article{18324002e942484f90af52a4bfc5aa1e,

title = "Image noise and radiation dose using an automatic tube current modulation technique at 64-detector computed tomography: Effect of off-center patient position, bowtie filter type, and scan projection radiograph",

abstract = "We describe the effect of the off-center position, the bowtie filter type, and the direction of scan projection radiograph on the radiation dose and image noise of 64-detector computed tomographic scans using the automatic tube current modulation technique. On anteroposterior scan projection radiographs, the tube current ratio increased, with an increase in the off-center position of the phantom irrespective of the filter size. On lateral scan projection radiographs, it remained constant with each bowtie filter type regardless of the off-center phantom position.",

keywords = "ATCM technique, Bowtie filter, Image noise, Radiation dose, Scan projection radiograph",

author = "Yoshinori Funama and Katsuyuki Taguchi and Kazuo Awai and Daisuke Sakabe and Masamichi Shimamura and Yasuyuki Yamashita",

year = "2009",

doi = "10.1097/RCT.0b013e31819d6f6f",

language = "English (US)",

volume = "33",

pages = "973--977",

journal = "Journal of computer assisted tomography",

issn = "0363-8715",

publisher = "Lippincott Williams and Wilkins Ltd.",

number = "6",

}

TY - JOUR

T1 - Image noise and radiation dose using an automatic tube current modulation technique at 64-detector computed tomography

T2 - Effect of off-center patient position, bowtie filter type, and scan projection radiograph

AU - Funama, Yoshinori

AU - Taguchi, Katsuyuki

AU - Awai, Kazuo

AU - Sakabe, Daisuke

AU - Shimamura, Masamichi

AU - Yamashita, Yasuyuki

PY - 2009

Y1 - 2009

N2 - We describe the effect of the off-center position, the bowtie filter type, and the direction of scan projection radiograph on the radiation dose and image noise of 64-detector computed tomographic scans using the automatic tube current modulation technique. On anteroposterior scan projection radiographs, the tube current ratio increased, with an increase in the off-center position of the phantom irrespective of the filter size. On lateral scan projection radiographs, it remained constant with each bowtie filter type regardless of the off-center phantom position.

AB - We describe the effect of the off-center position, the bowtie filter type, and the direction of scan projection radiograph on the radiation dose and image noise of 64-detector computed tomographic scans using the automatic tube current modulation technique. On anteroposterior scan projection radiographs, the tube current ratio increased, with an increase in the off-center position of the phantom irrespective of the filter size. On lateral scan projection radiographs, it remained constant with each bowtie filter type regardless of the off-center phantom position.

KW - ATCM technique

KW - Bowtie filter

KW - Image noise

KW - Radiation dose

KW - Scan projection radiograph

UR - http://www.scopus.com/inward/record.url?scp=73949102305&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=73949102305&partnerID=8YFLogxK

U2 - 10.1097/RCT.0b013e31819d6f6f

DO - 10.1097/RCT.0b013e31819d6f6f

M3 - Article

C2 - 19940670

AN - SCOPUS:73949102305

SN - 0363-8715

VL - 33

SP - 973

EP - 977

JO - Journal of computer assisted tomography

JF - Journal of computer assisted tomography

IS - 6

ER -

Image noise and radiation dose using an automatic tube current modulation technique at 64-detector computed tomography: Effect of off-center patient position, bowtie filter type, and scan projection radiograph

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this