Common Symptoms of Damaged X-ray Grid

The entire image appears hazy, foggy, and low in contrast.

It looks as if covered by a layer of white fog, with blurry bone edges and indistinguishable soft tissue, showing the same effect as imaging without a grid.

Regular black and white stripes or grid artifacts appear on the image.

Obvious vertical or horizontal alternating light and dark lines are caused by deformed, displaced or stuck lead strips inside the grid.

Local shadows, patches and missing image areas occur.

Falling off, collapse or interlayer cracking of internal lead strips result in large dark shadows or blank areas at corresponding positions on the image.

One side of the image is clear while the other side is blurry.

Tilted, deformed or improperly installed grid causes one-sided blocking of X-ray beams.

Difficult sliding, stuttering or complete jamming.

Deformed slide rails, internal degumming or bent frame of the movable grid lead to difficult pushing and pulling, or even complete lock-up.

Position deviation and inaccurate alignment.

Offset cassette positioning; artifact stripes appear in random positions for each exposure without fixed repetition.

Shell deformation, warping and dent damage.

Impact or pressure causes grid body bending, making it unable to fit flat against the detector or cassette.

Higher kV and mA values are required to obtain clear images.

Excessive local ray blocking by the damaged grid reduces X-ray penetration. Operators have to increase exposure parameters, which raises X-ray tube load and overheating risk.

Increased repeated exposure times.

Frequent retakes are required due to persistent foggy images and grid stripes, causing extra equipment wear and higher radiation exposure dose.

The grid may look intact externally, but it still produces heavy stripes, foggy and blurry X-ray images.