Which condition is listed as a potential cause of pathological spondylolisthesis?

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Pathological spondylolisthesis happens when bone strength or spinal stability is compromised by an underlying disease rather than by typical wear or a fracture from trauma. Paget's disease disrupts normal bone remodeling, creating bone that is enlarged yet structurally disorganized and weaker in places. In the spine, this combination can weaken the vertebral bodies and supporting elements, making one vertebra more likely to slip forward over the one beneath it. That slipping is the listhesis this question points to.

The other conditions listed don’t directly produce this kind bone weakness. Scoliosis is about sideways curvature and may accompany spinal changes but isn’t a primary cause of vertebral slipping. Osteoarthritis can lead to degenerative spondylolisthesis through facet joint deterioration and instability, but the key idea here is a bone disease that directly weakens the vertebrae, which Paget's disease does. Disc herniation causes nerve symptoms and some instability but not a primary slippage of one vertebra over another.