Evidence map›Paper›PMID 40553226›Full record

ArticleRadiological physics and technology2025

Assessment of lens absorbed dose by radiological technologists during mobile X-ray radiography: a comparison between computed radiography and flat panel detector systems.

Satoe Konta, Saya Ohno, Ryota Shindo, Keisuke Yamamoto, Yoshihiro Haga, Toshiki Kato, Masahiro Sota, Yuji Kaga, Mitsuya Abe, Koichi Chida

Abstract readComparative Study
PubMed Publisher
In one paragraph

Article in Radiological physics and technology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Satoe KontaDepartment of Radiological Technology, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba, Sendai, 980-8575, Japan.
Saya OhnoDepartment of Radiological Technology, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba, Sendai, 980-8575, Japan.
Ryota ShindoDepartment of Radiological Technology, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba, Sendai, 980-8575, Japan.
Keisuke YamamotoDepartment of Radiological Technology, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba, Sendai, 980-8575, Japan.
Yoshihiro HagaDepartment of Radiological Technology, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba, Sendai, 980-8575, Japan.
Toshiki KatoDepartment of Radiological Technology, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba, Sendai, 980-8575, Japan.
Masahiro SotaDepartment of Radiological Technology, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba, Sendai, 980-8575, Japan.
Yuji KagaDepartment of Radiology, Sendai Kosei Hospital, 4-15, Hirose-Machi, Aoba-Ku, Sendai, Miyagi, 980-0873, Japan.
Mitsuya AbeDepartment of Radiology, Sendai Kosei Hospital, 4-15, Hirose-Machi, Aoba-Ku, Sendai, Miyagi, 980-0873, Japan.
Koichi ChidaDepartment of Radiological Technology, Tohoku University Graduate School of Medicine, 2-1 Seiryo, Aoba, Sendai, 980-8575, Japan. chida@med.tohoku.ac.jp.

Funding

Japan Society for the Promotion of Science 23K28227
6 · The paper itself

Abstract

Mobile X-ray radiography is crucial for imaging patients with limited mobility; however, radiological technologists (RTs) may be positioned closer to patients and thus be at risk of harmful radiation doses owing to scattered radiation. As X-ray systems transitioned from digital computed radiography (CR) to flat panel detector (FPD) systems, we studied the RTs' eye lens and neck radiation doses over 2 years. Three RTs participated in measurements using a CR system, and five RTs participated in measurements using a FPD system. We measured radiation exposure with neck dosimeters (glass badges) and lens dosimeters (DOSIRIS®). The results showed a 66% reduction in lens dose after switching from the CR system to the FPD system. Comparisons of specific RT members also revealed significantly lower doses for the FPD system than for the CR system. Two main factors contributed to this decrease: the FPD system used a virtual grid instead of a scatter removal grid, and the RTs' awareness of radiation exposure increased with experience. Although the lens dose was significantly reduced, RTs should still wear protective eyewear and equipment when frequent imaging is expected or when working close to patients.

Indexed as

Lens, CrystallineOccupational ExposureRadiation DosageTechnology, RadiologicTomography, X-Ray ComputedHumansPortable X-RayComputed radiography (CR)Eye lens doseFlat panel detector (FPD)Mobile radiographyOccupational exposure doseRadiation protection and shielding

Identifiers

PMID40553226

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.