{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T22:49:17Z","timestamp":1777934957560,"version":"3.51.4"},"reference-count":10,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2016,6,21]],"date-time":"2016-06-21T00:00:00Z","timestamp":1466467200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pediatrics International"],"published-print":{"date-parts":[[2016,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Osteoid osteoma (OO) is a benign osteogenic neoplasm, usually affecting children and young adults, that is typically characterized by nocturnal pain and response to non\u2010steroidal anti\u2010inflammatory drugs. OO is frequently misdiagnosed because it mimics juvenile idiopathic arthritis (JIA), bone infection or malignancy. Herein we report the case of a girl who presented with chronic monoarthritis of the knee mimicking JIA. After 1 year, OO of the femoral distal metaphysis was diagnosed. OO was treated with computed tomography\u2010guided radiofrequency ablation with disappearance of the symptoms and resolution of the neoplasm. No recurrences have been observed 3 years after the treatment. This case highlights that intra\u2010articular or juxta\u2010articular OO should be suspected in the case of misleading symptoms and signs, such as swelling, lack of typical pain and synovial thickening on ultrasound; needle biopsy of the lesion is necessary in the case of confusing imaging.<\/jats:p>","DOI":"10.1111\/ped.12980","type":"journal-article","created":{"date-parts":[[2016,6,21]],"date-time":"2016-06-21T06:48:50Z","timestamp":1466491730000},"page":"791-794","source":"Crossref","is-referenced-by-count":7,"title":["Osteoid osteoma mimicking monoarticular juvenile idiopathic arthritis in a girl"],"prefix":"10.1111","volume":"58","author":[{"given":"Francesco","family":"Massei","sequence":"first","affiliation":[{"name":"Department of Pediatrics, Immunology and Rheumatology Section University of Pisa  Pisa Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gianluigi","family":"Laccetta","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Immunology and Rheumatology Section University of Pisa  Pisa Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Monica","family":"Barrani","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Immunology and Rheumatology Section University of Pisa  Pisa Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luca","family":"Fabbri","sequence":"additional","affiliation":[{"name":"Orthopedic Division University of Pisa  Pisa Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Virna","family":"Zampa","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Radiology University of Pisa  Pisa Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alessandro","family":"Paolicchi","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Radiology University of Pisa  Pisa Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Roberto","family":"Cioni","sequence":"additional","affiliation":[{"name":"Division of Diagnostic and Interventional Radiology University of Pisa  Pisa Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eugenio Mario","family":"Ciancia","sequence":"additional","affiliation":[{"name":"Department of Pathology University of Pisa  Pisa Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michelangelo","family":"Scaglione","sequence":"additional","affiliation":[{"name":"Orthopedic Division University of Pisa  Pisa Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rita","family":"Consolini","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Immunology and Rheumatology Section University of Pisa  Pisa Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,6,21]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-1-4160-0246-8.50045-0"},{"key":"e_1_2_6_3_1","first-page":"820501","article-title":"Arthroscopic excision of intra\u2010articular hip osteoid osteoma: a report of 2 cases","volume":"2012","author":"Nehme AH","year":"2012","journal-title":"Case Rep. 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