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Amputation, Foot/Ankle
Julia R. Crim, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Diagnostic Checklist

        TERMINOLOGY

        • Definitions

          • Disarticulation: Amputation at level of joint, leaving proximal joint surface intact
          • Resection arthroplasty: Amputation of phalangeal or metatarsal (MT) head, leaving distal osseous structures in place
            • Performed for toe deformities
          • Ertl procedure: Below knee amputation (BKA) with bone graft placed between tibia and fibula
            • Includes soft tissue techniques designed to reduce risk of traumatic neuroma

        IMAGING

        • General Features

          • Radiographic Findings

            • MR Findings

              DIFFERENTIAL DIAGNOSIS

                PATHOLOGY

                • Indications for Amputation

                  CLINICAL ISSUES

                  • Natural History & Prognosis

                    DIAGNOSTIC CHECKLIST

                    • Consider

                      Selected References

                      1. Ahlawat S et al: MRI features of peripheral traumatic neuromas. Eur Radiol. 26(4):1204-12, 2015
                      2. Wiessman MP et al: Clinical characteristics and survival of patients with diabetes mellitus following non-traumatic lower extremity amputation. Isr Med Assoc J. 17(3):145-9, 2015
                      3. Nikolajsen L: Postamputation pain: studies on mechanisms. Dan Med J. 59(10):B4527, 2012
                      4. Valabhji J et al: Conservative management of diabetic forefoot ulceration complicated by underlying osteomyelitis: the benefits of magnetic resonance imaging. Diabet Med. 26(11):1127-34, 2009
                      5. Younger AS et al: Risk factors for failure of transmetatarsal amputation in diabetic patients: a cohort study. Foot Ankle Int. 30(12):1177-82, 2009
                      6. Anthony T et al: Transmetatarsal amputation: assessment of current selection criteria. Am J Surg. 192(5):e8-11, 2006
                      7. Baumhauer JF et al: Total calcanectomy for the treatment of chronic calcaneal osteomyelitis. Foot Ankle Int. 19(12):849-55, 1998
                      Related Anatomy
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                      Related Differential Diagnoses
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                      References
                      Tables

                      Tables

                      KEY FACTS

                      • Terminology

                        • Imaging

                          • Diagnostic Checklist

                            TERMINOLOGY

                            • Definitions

                              • Disarticulation: Amputation at level of joint, leaving proximal joint surface intact
                              • Resection arthroplasty: Amputation of phalangeal or metatarsal (MT) head, leaving distal osseous structures in place
                                • Performed for toe deformities
                              • Ertl procedure: Below knee amputation (BKA) with bone graft placed between tibia and fibula
                                • Includes soft tissue techniques designed to reduce risk of traumatic neuroma

                            IMAGING

                            • General Features

                              • Radiographic Findings

                                • MR Findings

                                  DIFFERENTIAL DIAGNOSIS

                                    PATHOLOGY

                                    • Indications for Amputation

                                      CLINICAL ISSUES

                                      • Natural History & Prognosis

                                        DIAGNOSTIC CHECKLIST

                                        • Consider

                                          Selected References

                                          1. Ahlawat S et al: MRI features of peripheral traumatic neuromas. Eur Radiol. 26(4):1204-12, 2015
                                          2. Wiessman MP et al: Clinical characteristics and survival of patients with diabetes mellitus following non-traumatic lower extremity amputation. Isr Med Assoc J. 17(3):145-9, 2015
                                          3. Nikolajsen L: Postamputation pain: studies on mechanisms. Dan Med J. 59(10):B4527, 2012
                                          4. Valabhji J et al: Conservative management of diabetic forefoot ulceration complicated by underlying osteomyelitis: the benefits of magnetic resonance imaging. Diabet Med. 26(11):1127-34, 2009
                                          5. Younger AS et al: Risk factors for failure of transmetatarsal amputation in diabetic patients: a cohort study. Foot Ankle Int. 30(12):1177-82, 2009
                                          6. Anthony T et al: Transmetatarsal amputation: assessment of current selection criteria. Am J Surg. 192(5):e8-11, 2006
                                          7. Baumhauer JF et al: Total calcanectomy for the treatment of chronic calcaneal osteomyelitis. Foot Ankle Int. 19(12):849-55, 1998