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Osteomyelitis
Definition
Osteomyelitis is an acute or chronic bone infection.
Overview, Causes, & Risk Factors
Bone infection can be caused by bacteria or fungi. - Infection may also spread to a bone from infected skin, muscles, or tendons next to the bone, as in osteomyelitis that occurs under a chronic skin ulcer (sore).
- The infection that causes osteomyelitis can also start in another part of the body and spread to the bone through the blood.
- A current or past injury may have made the affected bone more likely to develop the infection. A bone infection can also start after bone surgery, especially if the surgery is done after an injury or if metal rods or plates are placed in the bone.
In children, the long bones are usually affected. In adults, the feet, spine bones (vertebrae), and the hips (pelvis) are most commonly affected. Risk factors are recent trauma, diabetes, hemodialysis, poor blood supply, and IV drug abuse. People who have had their spleen removed are also at higher risk for osteomyelitis.
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Review Date : 5/30/2009
Reviewed By : David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School, Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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