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Posteroanterior Scout View of Pediatric Patients Using Computed Tomography During Different Tube Voltages: Validation Using Pediatric Anthropomorphic Phantoms

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Abstract

This study aims to compare the effect of obtaining the anteroposterior scout view (APSV) with that of the posteroanterior scout view (PASV) on mammary gland dose in pediatric patients during different tube voltages. We used a pediatric anthropomorphic phantom with a 64 detector-row computed tomography (CT) scanner using the APSV or PASV protocol of the chest. A real-time skin dosimeter was placed on the scanner gantry and pasted onto the phantom surfaces of the right and left mammary glands. We compared the real-time skin dosimeter values in the right and left mammary glands between the APSV and PASV protocols at different tube voltages. Compared with APSV, it is possible to reduce the exposure dose by approximately 80% using PASV at different tube voltages (p < 0.05). Obtaining the PASV at 80, 100, and 120 kVp was useful in reducing the mammary gland dose by approximately 80% in pediatric patients compared with obtaining the APSV without deteriorating the image quality of the main scan.

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Abbreviations

CT :

Computed tomography

ATCM :

Automatic tube current modulation

APSV :

Anteroposterior scout view

PASV :

Posteroanterior scout view

SD :

Standard deviation

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Author information

Authors and Affiliations

  1. Department of Radiological Technology, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare, 288 Matsushima, Kurashiki-City, Okayama, 701-0193, Japan

    Keiko Arao, Takanori Masuda, Shinichi Arao, Atsushi Ono & Junichi Hiratsuka

  2. Department of Medical Physics, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan

    Yoshinori Funama

  3. Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, 860-8556, Japan

    Takeshi Nakaura

  4. Department of Diagnostic Radiology, Tsuchiya General Hospital, Nakajima-Cho 3-30, Naka-Ku, Hiroshima, 730-8655, Japan

    Tomoyasu Sato

  5. Department of Radiological Technologist, Nitta Clinic, Izumida 10-45, Minami-Ku, Okayama, 700-0944, Japan

    Shouko Masuda

  6. Department of Radiological Technologist, Tsuchiya General Hospital, Nakajima-Cho 3-30, Naka-Ku, Hiroshima, 730-8655, Japan

    Takayuki Oku

  7. Department of Diagnostic Radiology, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan

    Kazuo Awai

Authors
  1. Keiko Arao
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  2. Takanori Masuda
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  3. Yoshinori Funama
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  4. Takeshi Nakaura
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  5. Tomoyasu Sato
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  6. Shouko Masuda
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  7. Takayuki Oku
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  8. Shinichi Arao
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  9. Atsushi Ono
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  10. Junichi Hiratsuka
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  11. Kazuo Awai
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Contributions

KA: conceived and designed the analysis, collected the data, contributed data or analysis tools, performed the analysis, wrote the paper.

TM: conceived and designed the analysis, collected the data, contributed data or analysis tools, performed the analysis, wrote the paper

YF: conceived and designed the analysis, collected the data, contributed data or analysis tools, wrote the paper

TN: conceived and designed the analysis, collected the data

TS: conceived and designed the analysis, collected the data

SM: conceived and designed the analysis, collected the data

TO: conceived and designed the analysis, collected the data

SA: conceived and designed the analysis, collected the data

AO: conceived and designed the analysis, collected the data

JH: conceived and designed the analysis, collected the data

KA: conceived and designed the analysis, collected the data

Corresponding author

Correspondence to Takanori Masuda.

Ethics declarations

Ethics Approval

This is the phantom study. This study was approved by the Institutional Review Board of Tsuchiya General Hospital.

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Not applicable.

Conflict of Interest

The authors declare no competing interests.

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Arao, K., Masuda, T., Funama, Y. et al. Posteroanterior Scout View of Pediatric Patients Using Computed Tomography During Different Tube Voltages: Validation Using Pediatric Anthropomorphic Phantoms. SN Compr. Clin. Med. 5, 282 (2023). https://doi.org/10.1007/s42399-023-01624-8

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  • DOI: https://doi.org/10.1007/s42399-023-01624-8

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