Hallmark feature of osteomyelitis is:: (A) Identification of sequestrum, (B) Pain, (C) Swelling, (D) None of the above
Answer is A. The hallmark of osteomyelitis is the development of sequestra. A sequestrum is a segment of bone that has become necrotic because of ischemic injury caused by the inflammatory process.
Reference: White and Pharoah's Oral Radiology Principles and Interpretation 7th edition page no 320