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Ulnar Impingement Syndrome
Carol L. Andrews, MD; Kambiz Motamedi, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Pathology

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Definitions

              • Ulnar impingement syndrome: ulnar pain because of shortened ulna impinging on distal radial shaft
                • Not synonymous with ulnar impaction (ulnocarpal abutment) syndrome

            IMAGING

            • General Features

              • Radiographic Findings

                • CT Findings

                  • MR Findings

                    • Imaging Recommendations

                      DIFFERENTIAL DIAGNOSIS

                        PATHOLOGY

                        • General Features

                          • Gross Pathologic & Surgical Features

                            CLINICAL ISSUES

                            • Presentation

                              • Treatment

                                DIAGNOSTIC CHECKLIST

                                • Consider

                                  • Image Interpretation Pearls

                                    Selected References

                                    1. Lim W et al: Review article: the differential diagnosis of bone marrow edema on wrist MRI. Skeletal Radiol. 48(10):1525-39, 2019
                                    2. Krimmer H et al: The distal radial decompression osteotomy for ulnar impingement syndrome. Arch Orthop Trauma Surg. 136(1):143-8, 2015
                                    3. Ozer K: Management of complications of distal radioulnar joint. Hand Clin. 31(2):235-42, 2015
                                    4. De Witte PB et al: The Darrach procedure for post-traumatic reconstruction. Acta Orthop Belg. 75(3):316-22, 2009
                                    5. Rettig AC: Athletic injuries of the wrist and hand: part II: overuse injuries of the wrist and traumatic injuries to the hand. Am J Sports Med. 32(1):262-73, 2004
                                    6. Shaaban H et al: The distal radioulnar joint as a load-bearing mechanism--a biomechanical study. J Hand Surg Am. 29(1):85-95, 2004
                                    7. McKee MD et al: Dynamic radio-ulnar convergence after the Darrach procedure. J Bone Joint Surg Br. 78(3):413-8, 1996
                                    8. Bell MJ et al: Ulnar impingement syndrome. J Bone Joint Surg Br. 67(1):126-9, 1985
                                    Related Anatomy
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                                    Related Differential Diagnoses
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                                    References
                                    Tables

                                    Tables

                                    KEY FACTS

                                    • Terminology

                                      • Imaging

                                        • Pathology

                                          • Clinical Issues

                                            • Diagnostic Checklist

                                              TERMINOLOGY

                                              • Definitions

                                                • Ulnar impingement syndrome: ulnar pain because of shortened ulna impinging on distal radial shaft
                                                  • Not synonymous with ulnar impaction (ulnocarpal abutment) syndrome

                                              IMAGING

                                              • General Features

                                                • Radiographic Findings

                                                  • CT Findings

                                                    • MR Findings

                                                      • Imaging Recommendations

                                                        DIFFERENTIAL DIAGNOSIS

                                                          PATHOLOGY

                                                          • General Features

                                                            • Gross Pathologic & Surgical Features

                                                              CLINICAL ISSUES

                                                              • Presentation

                                                                • Treatment

                                                                  DIAGNOSTIC CHECKLIST

                                                                  • Consider

                                                                    • Image Interpretation Pearls

                                                                      Selected References

                                                                      1. Lim W et al: Review article: the differential diagnosis of bone marrow edema on wrist MRI. Skeletal Radiol. 48(10):1525-39, 2019
                                                                      2. Krimmer H et al: The distal radial decompression osteotomy for ulnar impingement syndrome. Arch Orthop Trauma Surg. 136(1):143-8, 2015
                                                                      3. Ozer K: Management of complications of distal radioulnar joint. Hand Clin. 31(2):235-42, 2015
                                                                      4. De Witte PB et al: The Darrach procedure for post-traumatic reconstruction. Acta Orthop Belg. 75(3):316-22, 2009
                                                                      5. Rettig AC: Athletic injuries of the wrist and hand: part II: overuse injuries of the wrist and traumatic injuries to the hand. Am J Sports Med. 32(1):262-73, 2004
                                                                      6. Shaaban H et al: The distal radioulnar joint as a load-bearing mechanism--a biomechanical study. J Hand Surg Am. 29(1):85-95, 2004
                                                                      7. McKee MD et al: Dynamic radio-ulnar convergence after the Darrach procedure. J Bone Joint Surg Br. 78(3):413-8, 1996
                                                                      8. Bell MJ et al: Ulnar impingement syndrome. J Bone Joint Surg Br. 67(1):126-9, 1985