{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T14:46:13Z","timestamp":1786977973280,"version":"build-2736575974"},"reference-count":34,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2024,7,12]],"date-time":"2024-07-12T00:00:00Z","timestamp":1720742400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Clinical Ultrasound"],"published-print":{"date-parts":[[2024,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Magnetic resonance imaging (MRI), which does not involve ionizing radiation, is the preferred imaging modality for diagnosing osteoid osteoma (OO), an ailment more common in children and young adults.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>This study aims to perform a literature review and delineate the MRI findings of OO lesions in patients exhibiting varying radiological features across different regions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and methods<\/jats:title>\n                    <jats:p>A retrospective study included 63 patients diagnosed with OO through MRI, assessed independently by two blinded radiologists using both standard and dynamic contrast\u2010enhanced MRI techniques. After excluding 7 patients with prior biopsy, surgery, or RFA, the study included 56 patients with 57 lesions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Of 57 lesions evaluated, 50 were in long, and 7 in flat bones. One patient presented with two separate nidi within the intertrochanteric region. Most of the lesions, 49 (86%), were extra\u2010articular, while 8 (14%) were intra\u2010articular. The nidus was intracortical in 45 (78.9%) patients, intramedullary in 5 (8.8%), subperiosteal in 5 (8.8%), and endosteal in 2 (3.5%). Average nidus diameter was 7.02\u2009\u00b1\u20092.64\u2009mm (3\u201312.6\u2009mm). Central nidal calcification was present in 68.4% (n\u2009=\u200939) cases. Contrast enhancement was intense at 90.5%, moderate at 9.5%. Reactive sclerosis around the nidus was severe (50.9%), moderate (22.8%), and mild (26.3%). Bone marrow edema was severe (70.2%), moderate (14.0%), and mild (15.8%). Soft tissue edema was identified in 77.2% of all lesions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>To minimize delays in diagnosis and treatment, radiologists should become acquainted with the typical OO MRI findings and the atypical MRI findings that might be mistaken for other conditions.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jcu.23766","type":"journal-article","created":{"date-parts":[[2024,7,12]],"date-time":"2024-07-12T22:23:55Z","timestamp":1720823035000},"page":"1071-1081","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["A comprehensive\n                    <scp>MRI<\/scp>\n                    analysis of osteoid osteomas in patients with diverse radiological features across various regions"],"prefix":"10.1002","volume":"52","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1437-8998","authenticated-orcid":false,"given":"Merve","family":"Yazol","sequence":"first","affiliation":[{"name":"Department of Radiology Gazi University School of Medicine  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2434-1398","authenticated-orcid":false,"given":"Halil","family":"Ozer","sequence":"additional","affiliation":[{"name":"Department of Radiology Selcuk University School of Medicine  Konya Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6555-6577","authenticated-orcid":false,"given":"Umut","family":"Asfuro\u011flu","sequence":"additional","affiliation":[{"name":"Ankara Etlik City Hospital, Radiology Clinic  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2812-1528","authenticated-orcid":false,"given":"Nil","family":"Tokgoz","sequence":"additional","affiliation":[{"name":"Department of Radiology Gazi University School of Medicine  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,7,12]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.bpo.0000233807.80046.7c"},{"key":"e_1_2_9_3_1","doi-asserted-by":"crossref","unstructured":"Olvi LG Lembo GM Santini\u2010Araujo E Kalil RK. 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