M46.0: Spinal enthesopathy

Spinal enthesopathy is a medical condition that involves inflammation at the points where tendons and ligaments attach to the bones in the spine, known as entheses. This inflammation can cause symptoms such as pain and stiffness in the spinal region, and it may fluctuate in intensity based on physical activity or rest. The condition is often linked to certain types of arthritis, including ankylosing spondylitis, although it can also occur independently. As spinal enthesopathy progresses, it may lead to a decreased range of motion in the back and, in severe cases, it may even result in fusion of the spinal bones. Diagnosis is typically based on a combination of physical examination, patient history, and imaging tests such as x-rays or MRIs.

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