Ring sequestrum is seen in?
Excessive periosteal stripping is contraindicated as it may result in formation of ring sequestrum in amputation stump. Type of sequestrum Found In Ring sequestrum Amputation stump Around pin tracts ( external fixator) Tubular sequestrum Hematogenous osteomyelitis Segmental fractures ( middle segment) Rice grain sequestrum Tuberculosis Ref: Campbell's operative Ohopaedics 10/e, page 544.
Typhoid osteomyelitis
Chronic osteomyelitis
Amputation stump
Tuberculosis osteomyelitis