Knee pain and swelling

Affiliations

• ¹ Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, MA, USA. rsmith21@partners.org.
• ² Department of Orthopaedic Surgery, Brigham and Women's Hospital, Boston, MA, USA. rsmith21@partners.org.
• ³ Harvard Medical School, Boston, MA, USA.
• ⁴ Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA.
• ⁵ Department of Radiology, Division of Musculoskeletal Imaging and Intervention, Brigham and Women's Hospital, Boston, MA, USA.