periostitis

(per’’e-os-ti’tis). Inflammation of the periosteum. The condition is gencrally chronic, and is marked by tenderne and swelling of the bone and an aching pain. Acute periostitis is due to infection, and is characterized by diffuse suppuration, severe pain, constitutional symptoms, and usually results in necrosis. p. album i no’sa, albuminous p., a form accompanied by the exudation of a clear, albuminous liquid into a flattened cavity beneath the periosteum; called also serous absce and periosteal ganglion. dental -, inflammation of the dental periosteum. dif- use p., a non-circumscribed periostitis of the long bones. hemorrhagic p., a form in which blood is extravasated beneath the periosteum. p. inter’na cra‘nii, inflammation of the endocranium; external pachymeningitis. precocious p., syphilitic osteoperiostitis occurring as an early symptom.