Q2/ In mammographic examinations, the breast is compressed between two plates. Answer the following with a brief explanation. (a) Is the geometric unsharpness increased or decreased by compression? (b) Why is the image contrast improved by this procedure? (c) Is the required X-ray dose for a given image SNR higher or lower with compression?

Fundamentals of Sectional Anatomy: An Imaging Approach
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ISBN:9781133960867
Author:Denise L. Lazo
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Q2/ In mammographic examinations, the breast is compressed between two plates.
Answer the following with a brief explanation.
(a) Is the geometric unsharpness increased or decreased by compression?
(b) Why is the image contrast improved by this procedure?
(c) Is the required X-ray dose for a given image SNR higher or lower with compression?
Transcribed Image Text:Q2/ In mammographic examinations, the breast is compressed between two plates. Answer the following with a brief explanation. (a) Is the geometric unsharpness increased or decreased by compression? (b) Why is the image contrast improved by this procedure? (c) Is the required X-ray dose for a given image SNR higher or lower with compression?
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