Patt, Joshua C CORR Insights(®): Sacral Insufficiency Fractures are Common after High-dose Radiation for Sacral Chordomas Treated With or Without Surgery. [electronic resource] - Clinical orthopaedics and related research Mar 2016 - 773-5 p. digital Publication Type: Journal Article; Comment ISSN: 1528-1132 Standard No.: 10.1007/s11999-015-4615-0 doi Subjects--Topical Terms: Chordoma--radiotherapyFractures, Spontaneous--etiologyHumansSacrum--radiation effectsSpinal Fractures--etiologySpinal Neoplasms--radiotherapy