system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Ring sequestrum is seen in?
assistant
The correct answer is  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.