D2I2.
genetic

Camurati–Engelmann disease

Camurati–Engelmann disease (CED) is a very rare disorder that causes characteristic anomalies in the skeleton. It is also known as progressive diaphyseal . It is a form of dysplasia. Patients typically have heavily thickened bones, especially along the shafts of the long bones. The skull bones may be thickened so that the passages through the skull that carry nerves and blood become narrowed, possibly leading to deficits, blindness, or deafness.

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Plain-language summary adapted from Wikipedia. Not medical advice.