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We present the case of a 46-year-old woman with delayed vertebral body collapse after stereotactic radiosurgery and radiofrequency ablation of a painful lumbar metastasis. Histopathologic-MRI correlation confirmed osteonecrosis as the underlying etiology and demonstrated that treatment-induced vascular fibrosis and tumor progression can have identical imaging appearances.<\/jats:p>","DOI":"10.1177\/1591019915609131","type":"journal-article","created":{"date-parts":[[2015,10,23]],"date-time":"2015-10-23T21:23:01Z","timestamp":1445635381000},"page":"742-749","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":6,"title":["Delayed vertebral body collapse after stereotactic radiosurgery and radiofrequency ablation: Case report with histopathologic-MRI correlation"],"prefix":"10.1177","volume":"21","author":[{"given":"Adam N","family":"Wallace","sequence":"first","affiliation":[{"name":"Mallinckrodt Institute of Radiology, Siteman Cancer Center, Washington University School of Medicine, Saint Louis, MO, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ross","family":"Vyhmeister","sequence":"additional","affiliation":[{"name":"Washington University School of Medicine, Saint Louis, MO, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andy C","family":"Hsi","sequence":"additional","affiliation":[{"name":"Department of Pathology and Immunology, Division of Anatomic Pathology, Washington University School of Medicine, Saint Louis, MO, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Clifford G","family":"Robinson","sequence":"additional","affiliation":[{"name":"Department of Radiation Oncology, Siteman Cancer Center, Washington University School of Medicine, Saint Louis, MO, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Randy O","family":"Chang","sequence":"additional","affiliation":[{"name":"Washington University School of Medicine, Saint Louis, MO, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jack W","family":"Jennings","sequence":"additional","affiliation":[{"name":"Mallinckrodt Institute of Radiology, Siteman Cancer Center, Washington University School of Medicine, Saint Louis, MO, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2015,10,23]]},"reference":[{"key":"bibr1-1591019915609131","doi-asserted-by":"publisher","DOI":"10.1586\/era.11.169"},{"key":"bibr2-1591019915609131","doi-asserted-by":"publisher","DOI":"10.3171\/2010.9.SPINE091005"},{"key":"bibr3-1591019915609131","doi-asserted-by":"publisher","DOI":"10.1177\/153303460700600602"},{"key":"bibr4-1591019915609131","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijrobp.2008.02.060"},{"key":"bibr5-1591019915609131","doi-asserted-by":"publisher","DOI":"10.1016\/S1470-2045(11)70384-9"},{"key":"bibr6-1591019915609131","doi-asserted-by":"publisher","DOI":"10.3171\/2011.11.SPINE116"},{"key":"bibr7-1591019915609131","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijrobp.2012.04.034"},{"key":"bibr8-1591019915609131","doi-asserted-by":"publisher","DOI":"10.1200\/JCO.2008.19.3508"},{"key":"bibr9-1591019915609131","doi-asserted-by":"publisher","DOI":"10.1007\/s00330-011-2133-3"},{"key":"bibr10-1591019915609131","doi-asserted-by":"publisher","DOI":"10.3389\/fonc.2014.00001"},{"key":"bibr11-1591019915609131","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.14131664"},{"key":"bibr12-1591019915609131","doi-asserted-by":"publisher","DOI":"10.1016\/j.prro.2012.01.005"},{"key":"bibr13-1591019915609131","doi-asserted-by":"publisher","DOI":"10.3171\/spi.2005.3.4.0288"},{"key":"bibr14-1591019915609131","doi-asserted-by":"crossref","unstructured":"Wallace AN, Robinson CG, Meyer J, et al. 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