{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T09:10:13Z","timestamp":1779181813555,"version":"3.51.4"},"reference-count":50,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2003,2,1]],"date-time":"2003-02-01T00:00:00Z","timestamp":1044057600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2003,2,1]],"date-time":"2003-02-01T00:00:00Z","timestamp":1044057600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arthroscopy"],"published-print":{"date-parts":[[2003,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>Localized pigmented villonodular synovitis (LPVNS) is a rare lesion that can affect any joint, although it is most frequently found in the knee. Clinically, it is difficult to diagnose. Radiographs are usually within normal limits.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Type of Study:<\/jats:title>\n                    <jats:p>Case series.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>We present a series of 9 cases of LPVNS of the knee in 9 patients with an average age of 36 years. In 7 of the 9 cases, the lesions were in an an unusual location, 4 in the fat pad and 3 in the posterior compartment of the knee. The other 2 cases were located in the meniscocapsular junction and the intercondylar notch, respectively. The mean time from the onset of symptoms to diagnosis was 2.26 years. Magnetic resonance image (MRI) provided a characteristic image that helped with diagnosis and localizing the lesion in all cases.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Complete resection of the lesion using arthrotomy was performed in 4 cases and resection assisted using arthroscopy was performed in 5. All cases had an excellent result. There were no signs of clinical or MRI recurrence after a mean follow\u2010up of 36 months.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>LPVNS of the knee is a rare lesion. MRI provides the basis for diagnosis. Complete resection using arthrotomy or arthroscopy is the treatment.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1053\/jars.2003.50004","type":"journal-article","created":{"date-parts":[[2003,4,25]],"date-time":"2003-04-25T07:42:16Z","timestamp":1051256536000},"page":"144-149","source":"Crossref","is-referenced-by-count":30,"title":["Localized pigmented villonodular synovitis in an unusual location in the knee"],"prefix":"10.1002","volume":"19","author":[{"given":"Jaume","family":"Calmet","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery and Traumatology Joan XXIII University Hospital Tarragona Spain"},{"name":"Bellvitge University Hospital Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9","family":"Hern\u00e1ndez\u2010Hermoso","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Traumatology Joan XXIII University Hospital Tarragona Spain"},{"name":"Bellvitge University Hospital Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Josep","family":"Gin\u00e9","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Traumatology Joan XXIII University Hospital Tarragona Spain"},{"name":"Bellvitge University Hospital Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francisco","family":"Jimeno","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery and Traumatology Joan XXIII University Hospital Tarragona Spain"},{"name":"Bellvitge University Hospital Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2003,2,1]]},"reference":[{"key":"e_1_2_2_2_1","first-page":"731","article-title":"Pigmented villonodular synovitis, bursitis and tenosynovitis","volume":"31","author":"Jaffe HL","year":"1941","journal-title":"Arch Pathol"},{"key":"e_1_2_2_3_1","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-196749010-00010"},{"key":"e_1_2_2_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0749-8063(98)70108-2"},{"key":"e_1_2_2_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0033-8389(22)00470-5"},{"key":"e_1_2_2_6_1","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-200010000-00026"},{"key":"e_1_2_2_7_1","first-page":"600","article-title":"Synovite villo\u2010nodulaire pigment\u00e9e du genou. 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