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Garre's sclerosing osteomyelitis is a type of chronicosteomyelitis also called periostitis ossificans and Garré's sclerosing osteomyelitis.
It is a rare disease. It mainly affects children and young adults. It is associated with a low grade infection, which may be due to dental caries (cavities in the teeth).
The body of the mandible may show irregular lucent/opaque changes with subperiosteal opaque layering along inferior border. It is a chronic osteomyelitis with subperiosteal bone and collagen deposition.
There is no suppuration and sinus formation.
It was first described by the Swiss surgeon Carl Garré and is named after him.
References
Belli E, Matteini C, Andreano T (November 2002). "Sclerosing osteomyelitis of Garré periostitis ossificans". J Craniofac Surg. 13 (6): 765–8. doi:10.1097/00001665-200211000-00010. PMID12457091.