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Intraarticular Bodies, Elbow
Kirkland W. Davis, MD, FACR; Andrew Sonin, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Synonyms

              • Loose bodies, loose fragments, joint mice, intraarticular fragments
            • Definitions

              • 1 or more cartilage, bone, or osteocartilaginous fragments within joint space
              • May be attached to synovium or free to move in joint; hence, "loose" bodies may not be accurate
                • Intraarticular body/fragment is preferred term

            IMAGING

            • General Features

              • Radiographic Findings

                • CT Findings

                  • MR Findings

                    • Ultrasonographic Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • Gross Pathologic & Surgical Features

                            • Etiology

                              CLINICAL ISSUES

                              • Presentation

                                • Demographics

                                  • Natural History & Prognosis

                                    • Treatment

                                      DIAGNOSTIC CHECKLIST

                                      • Consider

                                        • Image Interpretation Pearls

                                          • Reporting Tips

                                            Selected References

                                            1. Logli AL et al: Osteochondritis dissecans lesions of the capitellum in overhead athletes: a review of current evidence and proposed treatment algorithm. Curr Rev Musculoskelet Med. 12(1):1-12, 2019
                                            2. Cain EL et al: Elbow surgery in athletes. Sports Med Arthrosc Rev. 26(4):181-4, 2018
                                            3. Kroonen LT et al: Arthroscopic management of elbow osteoarthritis. J Hand Surg Am. 42(8):640-50, 2017
                                            4. Ligon CB et al: Elbow loose bodies. J Rheumatol. 41(7):1426-7, 2014
                                            5. Bancroft LW et al: Osteochondral lesions of the elbow. Semin Musculoskelet Radiol. 17(5):446-54, 2013
                                            6. Jans LB et al: MR imaging findings and MR criteria for instability in osteochondritis dissecans of the elbow in children. Eur J Radiol. 81(6):1306-10, 2012
                                            7. Ahmad CS et al: Elbow arthroscopy: capitellar osteochondritis dissecans and radiocapitellar plica. Instr Course Lect. 60:181-90, 2011
                                            8. Van Sonhoven F et al: Osteochondrosis dissecans of the elbow. JBR-BTR. 92(4):207-10, 2009
                                            9. Dodson CC et al: Elbow arthroscopy. J Am Acad Orthop Surg. 16(10):574-85, 2008
                                            10. Flury MP et al: Arthroscopic and open options for surgical treatment of chondromatosis of the elbow. Arthroscopy. 24(5):520-5, 2008
                                            11. Winter M et al: Bilateral patella cubiti. A case report. J Bone Joint Surg Am. 88(2):415-7, 2006
                                            12. Dubberley JH et al: The detection of loose bodies in the elbow: the value of MRI and CT arthrography. J Bone Joint Surg Br. 87(5):684-6, 2005
                                            13. Osada D et al: Multiple loose bodies in the elbow showing a snow storm appearance at arthroscopy. J Orthop Sci. 10(4):422-4, 2005
                                            14. Yorgancigil H et al: Multiple loose bodies in the joints: from snowstorm to hailstones. Arthroscopy. 20(8):e113-6, 2004
                                            15. Bradley JP et al: Osteochondritis dissecans of the humeral capitellum. Diagnosis and treatment. Clin Sports Med. 20(3):565-90, 2001
                                            16. Clasper JC et al: Arthroscopy of the elbow for loose bodies. Ann R Coll Surg Engl. 83(1):34-6, 2001
                                            17. Miller JH et al: Detection of intraarticular bodies of the elbow with saline arthrosonography. Clin Radiol. 56(3):231-4, 2001
                                            18. Mueller T et al: Primary synovial chondromatosis of the elbow. J Shoulder Elbow Surg. 9(4):319-22, 2000
                                            19. Bianchi S et al: Detection of loose bodies in joints. Radiol Clin North Am. 37(4):679-90, 1999
                                            20. Palmer WE: MR arthrography: is it worthwhile? Top Magn Reson Imaging. 8(1):24-43, 1996
                                            21. Gudmundsen TE et al: Accessory ossicles in the elbow. Acta Orthop Scand. 58(2):130-2, 1987
                                            22. Obermann WR et al: The os supratrochleare dorsale: a normal variant that may cause symptoms. AJR Am J Roentgenol. 141(1):123-7, 1983
                                            Related Anatomy
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                                            Related Differential Diagnoses
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                                            References
                                            Tables

                                            Tables

                                            KEY FACTS

                                            • Terminology

                                              • Imaging

                                                • Top Differential Diagnoses

                                                  • Clinical Issues

                                                    • Diagnostic Checklist

                                                      TERMINOLOGY

                                                      • Synonyms

                                                        • Loose bodies, loose fragments, joint mice, intraarticular fragments
                                                      • Definitions

                                                        • 1 or more cartilage, bone, or osteocartilaginous fragments within joint space
                                                        • May be attached to synovium or free to move in joint; hence, "loose" bodies may not be accurate
                                                          • Intraarticular body/fragment is preferred term

                                                      IMAGING

                                                      • General Features

                                                        • Radiographic Findings

                                                          • CT Findings

                                                            • MR Findings

                                                              • Ultrasonographic Findings

                                                                • Imaging Recommendations

                                                                  DIFFERENTIAL DIAGNOSIS

                                                                    PATHOLOGY

                                                                    • Gross Pathologic & Surgical Features

                                                                      • Etiology

                                                                        CLINICAL ISSUES

                                                                        • Presentation

                                                                          • Demographics

                                                                            • Natural History & Prognosis

                                                                              • Treatment

                                                                                DIAGNOSTIC CHECKLIST

                                                                                • Consider

                                                                                  • Image Interpretation Pearls

                                                                                    • Reporting Tips

                                                                                      Selected References

                                                                                      1. Logli AL et al: Osteochondritis dissecans lesions of the capitellum in overhead athletes: a review of current evidence and proposed treatment algorithm. Curr Rev Musculoskelet Med. 12(1):1-12, 2019
                                                                                      2. Cain EL et al: Elbow surgery in athletes. Sports Med Arthrosc Rev. 26(4):181-4, 2018
                                                                                      3. Kroonen LT et al: Arthroscopic management of elbow osteoarthritis. J Hand Surg Am. 42(8):640-50, 2017
                                                                                      4. Ligon CB et al: Elbow loose bodies. J Rheumatol. 41(7):1426-7, 2014
                                                                                      5. Bancroft LW et al: Osteochondral lesions of the elbow. Semin Musculoskelet Radiol. 17(5):446-54, 2013
                                                                                      6. Jans LB et al: MR imaging findings and MR criteria for instability in osteochondritis dissecans of the elbow in children. Eur J Radiol. 81(6):1306-10, 2012
                                                                                      7. Ahmad CS et al: Elbow arthroscopy: capitellar osteochondritis dissecans and radiocapitellar plica. Instr Course Lect. 60:181-90, 2011
                                                                                      8. Van Sonhoven F et al: Osteochondrosis dissecans of the elbow. JBR-BTR. 92(4):207-10, 2009
                                                                                      9. Dodson CC et al: Elbow arthroscopy. J Am Acad Orthop Surg. 16(10):574-85, 2008
                                                                                      10. Flury MP et al: Arthroscopic and open options for surgical treatment of chondromatosis of the elbow. Arthroscopy. 24(5):520-5, 2008
                                                                                      11. Winter M et al: Bilateral patella cubiti. A case report. J Bone Joint Surg Am. 88(2):415-7, 2006
                                                                                      12. Dubberley JH et al: The detection of loose bodies in the elbow: the value of MRI and CT arthrography. J Bone Joint Surg Br. 87(5):684-6, 2005
                                                                                      13. Osada D et al: Multiple loose bodies in the elbow showing a snow storm appearance at arthroscopy. J Orthop Sci. 10(4):422-4, 2005
                                                                                      14. Yorgancigil H et al: Multiple loose bodies in the joints: from snowstorm to hailstones. Arthroscopy. 20(8):e113-6, 2004
                                                                                      15. Bradley JP et al: Osteochondritis dissecans of the humeral capitellum. Diagnosis and treatment. Clin Sports Med. 20(3):565-90, 2001
                                                                                      16. Clasper JC et al: Arthroscopy of the elbow for loose bodies. Ann R Coll Surg Engl. 83(1):34-6, 2001
                                                                                      17. Miller JH et al: Detection of intraarticular bodies of the elbow with saline arthrosonography. Clin Radiol. 56(3):231-4, 2001
                                                                                      18. Mueller T et al: Primary synovial chondromatosis of the elbow. J Shoulder Elbow Surg. 9(4):319-22, 2000
                                                                                      19. Bianchi S et al: Detection of loose bodies in joints. Radiol Clin North Am. 37(4):679-90, 1999
                                                                                      20. Palmer WE: MR arthrography: is it worthwhile? Top Magn Reson Imaging. 8(1):24-43, 1996
                                                                                      21. Gudmundsen TE et al: Accessory ossicles in the elbow. Acta Orthop Scand. 58(2):130-2, 1987
                                                                                      22. Obermann WR et al: The os supratrochleare dorsale: a normal variant that may cause symptoms. AJR Am J Roentgenol. 141(1):123-7, 1983