Delayed vertebral ossification

What it means

A decrease in the amount of mineralized bone in one or more vertebrae compared with that expected for a given developmental age.

Rare diseases that can present with this2

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category