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Analysis of Sensitometry in Radiographic Films using Optical Density Measurement

Author

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  • Oladotun A. Ojo

    (Osun State University, Nigeria)

  • Peter A. Oluwafisoye

    (Institute of Science Laboratory, Nigeria)

  • Charles O. Chime

    (University of Benin Teaching Hospital, Nigeria)

Abstract

The sensitivity of radiographic films is an important factor to the clarity and accuracy of X-ray exposure to patients during treatment or diagnostic periods. It is therefore important to do a thorough analysis of the sensitivity of the radiographic film before and after exposure to enhance the Quality Assurance (QA) and the Quality Control (QC), of the exposure procedures. The optical densities (OD) of each film was measured, with a densitometer model MA 5336, made by GAMMEX. These values were then converted to the absorbed dose (X mGy), which is the amount of dose absorbed by each patient. The optical density versus the dose curve, followed the expected pattern, showing a good prediction from the General model, that the films employed in the exposures were of good quality and standard. Hence the optical density versus dose sensitometric curves depicts the outcome of the various films sensitivity after an exposure to the X-ray radiation through the patients.

Suggested Citation

  • Oladotun A. Ojo & Peter A. Oluwafisoye & Charles O. Chime, 2020. "Analysis of Sensitometry in Radiographic Films using Optical Density Measurement," European Journal of Medical and Health Sciences, European Open Science, vol. 2(4), July.
    • Handle: RePEc:epw:ejmed0:v:2:y:2020:i:4:id:40430
    DOI: 10.24018/ejmed.2020.2.4.430
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