- Surgical removal of all or part of an extremity - leg, foot, toe, arm or finger, or other outgrowth of the body.
- Minor lower extremity amputation (LEA): toe(s), ray(s), transmetatarsal and mid-foot amputation.
- Major lower extremity amputation (LEA): below-knee-transtibial amputation (BKA) of the lower leg distal to the tibial tuberosity; above-knee-amputation (AKA) of the leg through the femur (supracondylar, midthigh or high thigh).
- Guillotine amputation: an open amputation for uncontrolled pedal sepsis, a part of a staged procedure. Utilizes a circular incision down bone, allowing for quick removal of septic focus and direct examination of bone and muscle compartments for extension of infection.
- Auto-amputation: Dry gangrene allowed to demarcate and proceed to amputation without surgical intervention.
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