X-ray of the thorax

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Author: Mikael Häggström [notes 1]

Magnification

In projectional radiography ("X-ray") of the thorax, it the estimated radiographic magnification factor (ERMF) is generally between 1.05 and 1.40,[1] meaning that measurements made in the image will be this much larger than the real distance in the patient.

Normal anatomy

References

  1. M Sandborg, D R Dance, and G Alm Carlsson. Implementation of unsharpness and noise into the model of the imaging system: Applications to chest and lumbar spine screen-film radiography. Faculty of Health Sciences, Linköping University. Report 90. Jan. 1999. ISRN: LIU-RAD-R-090


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