infantile cortical hyperostosis

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A disease of infants; of unknown cause and characterized by tender, soft tissue swelling that is followed by hyperostosis of the cortex of the underlying bone. The mandible, clavicle, and ulna are most frequently affected.

A painful thickening of membrane surrounding soft bone tissue, especially in the mandible, the clavicles, and the shafts of long bones, following fever and usually appearing before six months of age and disappearing during childhood. Also called Caffey's disease, Caffey's syndrome.