Periostitis

[per-e-os-ti’ -tis) \irepi around; bariov, bone; trig, inflammation]. Inflammation of the periosteum. It may be acute or chronic, the latter being the more frequent form. Acute P. is either traumatic or the result of infection; the chronic is due to traumatism, syphilis, tuberculosis, or actinomycosis. In the acute there is swelling and diffuse suppuration with fever and other constitutional symptoms; in the chronic, pain, which is usually worse at night, swelling, and tenderne . P. album i nos a, a mild form of inflammation characterized by the formation of a clear, ropy, albuminous liquid resembling synovia. It is most common in the young and is unaccompanied by fever. P., Hemorrhagic, P. accompanied by bleeding between the periosteum and the bone. 489