Collaborative Hypertext of Radiology

sequestrum / involucrum

sequelae of osteomyelitis

sequestrum
- necrotic bone, often denser than surroundings
- may be resorbed, discharged thru a sinus tract, or persist as a focus of continued infection
involucrum
- bone formed beneath elevated periosteum
- surrounds sequestrum

Charles E. Kahn, Jr., MD - 2 February 1995
Last updated: 1 October 2013