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What is grid cutoff, and how can it affect radiographic images?

X-ray grid cutoff refers to the undesirable reduction in exposure of certain areas of a radiographic image caused by improper alignment or usage of a grid device. Grids are used in radiography to improve image quality by reducing scatter radiation, but misalignment or incorrect selection can result in grid cutoff.

Improper alignment occurs when the x-ray tube, grid, and image receptor are not perfectly aligned, causing grid lines to be visible on the final image. This can obscure diagnostic information and degrade image quality. Incorrect selection refers to using a grid with improper grid ratio or frequency for the specific imaging conditions, leading to underexposed areas or excessive grid lines on the image.

Grid cutoff can affect radiographic images by reducing contrast, decreasing image clarity, and potentially masking pathology. To prevent grid cutoff, proper alignment, selection, and maintenance of grids are essential in radiography. We are a manufacturer of X-ray machines and their accessories. If you have any needs for X-ray grids, please feel free to contact us. Whatsapp:+86 18953613955. Email:

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