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13 December 1983 Effects of kVp Variation And X-Ray Tube Filtration On The Mammographic Examination
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Proceedings Volume 0419, Application of Optical Instrumentation in Medicine XI; (1983) https://doi.org/10.1117/12.936003
Event: Application of Optical Instrumentation in Medicine XI, 1983, Atlanta, United States
Abstract
Radiographs of a phantom containing excised breast tissue and idealized test objects embedded in tissue equivalent plastic have been obtained using a variety of mammographic film-screen detectors. A CGR Senographe (molybdenum target, beryllium window) was modified to accept a series of x-ray filters: 0.03 mm molybdenum, 0.5 mm aluminum or 1.2 mm aluminum. Radiographs were obtained at kVp's ranging from 26 to 32 kVp with the mAs adjusted to achieve the same optical density on the films. Entrance skin exposure was measured for the range of techniques from which dependence of mean gland dose on kVp was derived. Indices of image quality were also determined from the radiographs. A discussion of the effects of kVp variation on mammographic image quality, especially on low contrast discrimination is included.
© (1983) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. Malik, M. E . Masterson, and M. Hunt "Effects of kVp Variation And X-Ray Tube Filtration On The Mammographic Examination", Proc. SPIE 0419, Application of Optical Instrumentation in Medicine XI, (13 December 1983); https://doi.org/10.1117/12.936003
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