Difference between revisions of "X-ray of the thorax"

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==Magnification==
 
==Magnification==
 
In '''projectional radiography ("X-ray") of the thorax''', it the estimated radiographic magnification factor (ERMF) is generally between 1.05 and 1.40,<ref>{{cite web|title=Implementation of unsharpness and noise into the model of the imaging system: Applications to chest and lumbar spine screen-film radiography|url=https://www.diva-portal.org/smash/get/diva2:327957/FULLTEXT01.pdf|author=M Sandborg, D R Dance, and G Alm Carlsson|website=Faculty of Health Sciences, [[Linköping University]]}} Report 90. Jan. 1999. ISRN: LIU-RAD-R-090</ref> meaning that measurements made in the image will be this much larger than the real distance in the patient.
 
In '''projectional radiography ("X-ray") of the thorax''', it the estimated radiographic magnification factor (ERMF) is generally between 1.05 and 1.40,<ref>{{cite web|title=Implementation of unsharpness and noise into the model of the imaging system: Applications to chest and lumbar spine screen-film radiography|url=https://www.diva-portal.org/smash/get/diva2:327957/FULLTEXT01.pdf|author=M Sandborg, D R Dance, and G Alm Carlsson|website=Faculty of Health Sciences, [[Linköping University]]}} Report 90. Jan. 1999. ISRN: LIU-RAD-R-090</ref> meaning that measurements made in the image will be this much larger than the real distance in the patient.

Revision as of 11:10, 28 May 2018

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

  • Normal posteroanterior (PA) chest radiograph (X-ray).jpg

    A normal posteroanterior (PA) chest radiograph.

  • Mediastinal structures on chest X-ray, annotated.jpg

    Annotated

  • Normal lateral chest radiograph (X-ray).jpg

    Normal lateral chest radiograph.

  • Projectional rendering of CT scan of thorax (thumbnail).gif

    Projectionally rendered CT, showing the transition of thoracic structures between the anteroposterior and lateral view.

Diseases

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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