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SCATTER. The Issue: 50-90% of x-rays reaching receptor are scatter, which degrades image contrastFactors Affecting ScatterScatter increases with amount of tissue exposedScatter increases with kVp. Scatter and X-ray Field Size. Scatter Escape Angle:. scatter is emitted in all directionsonly scatter reaching image within area of interest (field size) degrades contrast. The smaller the field, the larger the escape angle.

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