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

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==Magnification==
 
==Magnification==
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In '''projectional radiography ("X-ray") of the thorax''' (chest), the estimated [[geometric magnification]] factor 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.
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In '''projectional radiography ("X-ray") of the thorax''' (chest), the estimated [[geometric magnification]] factor 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. Therefore, compare to other structures (such as pleural fluid reaching half way to hilar level) where possible rather than giving numbers.
  
 
==Normal anatomy==
 
==Normal anatomy==

Revision as of 12:01, 14 January 2019

Author: Mikael Häggström [notes 1]


Magnification

In projectional radiography ("X-ray") of the thorax (chest), the estimated geometric magnification factor 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. Therefore, compare to other structures (such as pleural fluid reaching half way to hilar level) where possible rather than giving numbers.

Normal anatomy

  • A normal posteroanterior (PA) chest radiograph.

  • Normal lateral chest radiograph.

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

Diseases

Regions

  • Ribs
  • Sternoclavicular joint

Notes

  1. ↑ For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Radlines:Authorship for details.

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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