Monarch Disease Ontology term MONDO_0007244 (Caffey disease) is an osteosclerotic dysplasia characterized by acute inflammation with massive subperiosteal new bone formation usually involving the diaphyses of the long bones, as well as the ribs, mandible, scapulae, and clavicles. The disease is associated with fever, irritability pain and soft tissue swelling, with onset around the age of 2 months and resolving spontaneously by the age of 2 years. However, prenatal disease onset has also been described. Also known as: cortical congenital hyperostosis, infantile cortical hyperostosis.