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Brodie's abscess is characterized by pain and swelling without fever, often resulting from diabetic wounds, fracture-related bone infection, or haematogenous osteomyelitis. The condition is often diagnosed through imaging, which reveals distinctive "target signs" such as central necrosis , surrounding granulation tissue, fibrosis , and an ...
Risk factors include bone fractures, joint dislocations, alcoholism, and the use of high-dose steroids. [1] The condition may also occur without any clear reason. [1] The most commonly affected bone is the femur (thigh bone). [1] Other relatively common sites include the upper arm bone, knee, shoulder, and ankle. [1]
A sequestrum (plural: sequestra) is a piece of dead bone [1] that has become separated during the process of necrosis from normal or sound bone. It is a complication (sequela) of osteomyelitis. The pathological process is as follows: infection in the bone leads to an increase in intramedullary pressure due to inflammatory exudates
Extensive osteomyelitis of the forefoot Osteomyelitis in both feet as seen on bone scan The diagnosis of osteomyelitis is complex and relies on a combination of clinical suspicion and indirect laboratory markers such as a high white blood cell count and fever, although confirmation of clinical and laboratory suspicion with imaging is usually ...
Unlike OM of the long bones, hematogenous OM in the bones of the jaws is rare. OM of the jaws is mainly caused by spread of adjacent odontogenic infection. The second most common cause is trauma, including traumatic fracture and usually following a compound fracture (i.e. one that communicates with the mouth or the external environment).
Examples of periosteal reactive bone in selected specimens of Triceratops. A periosteal reaction can result from a large number of causes, including injury and chronic irritation due to a medical condition such as hypertrophic osteopathy, bone healing in response to fracture, chronic stress injuries, subperiosteal hematomas, osteomyelitis, and cancer of the bone.
Vertebral osteomyelitis is a type of osteomyelitis (infection and inflammation of the bone and bone marrow) that affects the vertebrae. It is a rare bone infection concentrated in the vertebral column. [2] Cases of vertebral osteomyelitis are so rare that they constitute only 2%-4% of all bone infections. [3]
A pathologic fracture is a bone fracture caused by weakness of the bone structure that leads to decrease mechanical resistance to normal mechanical loads. [1] This process is most commonly due to osteoporosis, but may also be due to other pathologies such as cancer, infection (such as osteomyelitis), inherited bone disorders, or a bone cyst.