An x-ray of the child's femur shows a bone sequestration (indicated by a blue arrow).
Sequestration - a section of dead tissue located freely among living tissues. Most often, sequestration is a necrotic fragment of bone in osteomyelitis . Sequestered can also tissue of the lung , tendon , muscle . Remaining in the body, sequestration constantly supports purulent inflammation . It can stand out on its own with a current of pus; in other cases, it is removed surgically (sequestrectomy). [one]