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Osteoarthritis
James F. Griffith, MD, MRCP, FRCR
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KEY FACTS

  • Terminology

    • Imaging

      • Clinical Issues

        • Diagnostic Checklist

          TERMINOLOGY

          • Abbreviations

            • Osteoarthritis (OA)
          • Definitions

            • Degenerative disease with thinning of articular cartilage & associated bone change, soft tissue change, positional change & inflammation
              • Bone change: Marginal osteophytosis, subchondral reactive changes (oedema, cyst formation, sclerosis, attenuation)
              • Soft tissue change: Usually mild synovial proliferation, capsular swelling
              • Positional change: Joint subluxation ± misalignment
              • Inflammation: Variable degree of inflammation present
            • Secondary: Accelerated OA due to existing joint disorder or deformity

          IMAGING

          • General Features

            • Radiographic Findings

              • MR Findings

                • Ultrasonographic Findings

                  • Imaging Recommendations

                    DIFFERENTIAL DIAGNOSIS

                      PATHOLOGY

                      • General Features

                        • Staging, Grading, & Classification

                          • Microscopic Features

                            CLINICAL ISSUES

                            • Presentation

                              • Demographics

                                • Natural History & Prognosis

                                  • Treatment

                                    DIAGNOSTIC CHECKLIST

                                    • Consider

                                      Selected References

                                      1. Beitinger N et al: The value of colour Doppler sonography of the knee joint: a useful tool to discriminate inflammatory from non-inflammatory disease? Rheumatology (Oxford). 52(8):1425-8, 2013
                                      Related Anatomy
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                                      Related Differential Diagnoses
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                                      References
                                      Tables

                                      Tables

                                      KEY FACTS

                                      • Terminology

                                        • Imaging

                                          • Clinical Issues

                                            • Diagnostic Checklist

                                              TERMINOLOGY

                                              • Abbreviations

                                                • Osteoarthritis (OA)
                                              • Definitions

                                                • Degenerative disease with thinning of articular cartilage & associated bone change, soft tissue change, positional change & inflammation
                                                  • Bone change: Marginal osteophytosis, subchondral reactive changes (oedema, cyst formation, sclerosis, attenuation)
                                                  • Soft tissue change: Usually mild synovial proliferation, capsular swelling
                                                  • Positional change: Joint subluxation ± misalignment
                                                  • Inflammation: Variable degree of inflammation present
                                                • Secondary: Accelerated OA due to existing joint disorder or deformity

                                              IMAGING

                                              • General Features

                                                • Radiographic Findings

                                                  • MR Findings

                                                    • Ultrasonographic Findings

                                                      • Imaging Recommendations

                                                        DIFFERENTIAL DIAGNOSIS

                                                          PATHOLOGY

                                                          • General Features

                                                            • Staging, Grading, & Classification

                                                              • Microscopic Features

                                                                CLINICAL ISSUES

                                                                • Presentation

                                                                  • Demographics

                                                                    • Natural History & Prognosis

                                                                      • Treatment

                                                                        DIAGNOSTIC CHECKLIST

                                                                        • Consider

                                                                          Selected References

                                                                          1. Beitinger N et al: The value of colour Doppler sonography of the knee joint: a useful tool to discriminate inflammatory from non-inflammatory disease? Rheumatology (Oxford). 52(8):1425-8, 2013