Do additional x-rays taken by a radiographer during x-ray screening for gastric cancer improve detection?

H. Yatake, T. Katsuda, C. Kuroda, H. Yamazaki, T. Kubo, R. Gotanda, T. Gotanda, K. Yabunaka, K. Yamamoto, M. Iguchi, T. Kozuka, Y. Takeda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The purpose of this study was to investigate the potential benefits of additional x-rays in detecting gastric cancer during x-ray screening. We analyzed 151 gastric cancer cases among 136,450 individuals who underwent x-ray screening for gastric cancer. X-rays were performed by 10 radiographers at a single screening center in Japan from 2000 to 2002. Additional x-rays were taken based on the radiographer's judgement in cases of suspected cancer lesions. During reinterpretation of the x-rays of cancer cases by 2 radiologists, we determined the number of cancer cases that were detected by standard x-rays alone. We next determined the number of cancer cases detected using both standard x-rays and additional x-rays. We then investigated whether additional x-rays increased the rate of cancer detection. The number of cancer cases detected by standard x-rays alone was 122 and the number of cancer cases detected by standard x-rays and additional x-rays was 151. We observed a significant increase in cancer detection with the use of additional x-rays when judged necessary by the radiographer (29 cases, P = 0.007, Wilcoxon signed..ranks test). No statistically significant correlation was observed between the number of additional x-rays performed and the increased rate of cancer detection due to additional xrays taken arbitrarily (rs = - 0.38, P = 0.28, Spearman's rank correlation). We found that additional x-rays, performed when judged to be necessary by the radiographer during screening, can identify cases of cancer which are not detectable with the standard x-rays alone.

Original languageEnglish
Title of host publicationWorld Congress on Medical Physics and Biomedical Engineering
Subtitle of host publicationDiagnostic Imaging
Pages185-188
Number of pages4
Edition2
DOIs
Publication statusPublished - Dec 1 2009
EventWorld Congress on Medical Physics and Biomedical Engineering: Diagnostic Imaging - Munich, Germany
Duration: Sep 7 2009Sep 12 2009

Publication series

NameIFMBE Proceedings
Number2
Volume25
ISSN (Print)1680-0737

Other

OtherWorld Congress on Medical Physics and Biomedical Engineering: Diagnostic Imaging
CountryGermany
CityMunich
Period9/7/099/12/09

Keywords

  • Additional photography
  • Gastric cancer screening
  • Radiographer
  • X-ray examination

ASJC Scopus subject areas

  • Bioengineering
  • Biomedical Engineering

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  • Cite this

    Yatake, H., Katsuda, T., Kuroda, C., Yamazaki, H., Kubo, T., Gotanda, R., Gotanda, T., Yabunaka, K., Yamamoto, K., Iguchi, M., Kozuka, T., & Takeda, Y. (2009). Do additional x-rays taken by a radiographer during x-ray screening for gastric cancer improve detection? In World Congress on Medical Physics and Biomedical Engineering: Diagnostic Imaging (2 ed., pp. 185-188). (IFMBE Proceedings; Vol. 25, No. 2). https://doi.org/10.1007/978-3-642-03879-2-53