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May 1, 2026

Deriving target exposure indices for common radiography exams based on automatic exposures of flat-field phantoms.

Matthew Hoerner Emily L. Marshall Katie Hulme Ashley Tao Suha Alshehri Shady AlKhazzam Zaiyang Long Erin Macdonald Kathleen Scilla Ioannis Tsalafoutas

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Key Points

The aim is to derive target exposure indices for common radiographic exams using automatic exposure control.
Developed a model to estimate exposure indices under flat-field conditions.
Collected clinical data from 41 x-ray units across seven institutions.
Computed scaling factors by relating flat-field exposure indices to median clinical exam values.
Kruskal-Wallis tests showed significant differences in scaling factors across vendors and AEC configurations.
Target exposure indices are established for several common radiography protocols.
Findings support the normalization of exposure values for enhanced quality assurance.

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Implication

Evaluates exposure control metrics in radiography imaging protocols, suggesting improvements for quality assurance.

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Cite This Study

Hoerner et al. (2026) studied this question.

synapsesocial.com/papers/69f442fc967e944ac5566637 https://doi.org/10.1002/acm2.70562

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