title: Preoperative CT localization and marking of osteoid osteoma: description of a new technique.
abstract: We describe a new technique for the preoperative localization of an osteoid osteoma nidus. Four lesions (mean patient age 26 years) were localized with CT. A needle was advanced into the cortex, methylene blue was injected, and a self-retaining localization wire was then left in place. A final CT image confirmed localization. The site of marking was identified intraoperatively by following the guide wire to the cortical mark, permitting nidus excision with minimal resection of bone.
authors.affiliation: Department of Radiology, U.S.C. University Hospital, Los Angeles, CA 90033, USA.
authors.forename: G R
authors.initials: GR
authors.lastname: Magre
authors.forename: L R
authors.initials: LR
authors.lastname: Menendez
mesh_terms: D000293:Adolescent; D000328:Adult; D001859:Bone Neoplasms / Q000000981:diagnostic imaging* / Q000601:surgery; D004396:Coloring Agents; D006801:Humans; D008751:Methylene Blue; D010017:Osteoma, Osteoid / Q000000981:diagnostic imaging* / Q000601:surgery; D014057:Tomography, X-Ray Computed / Q000379:methods*
chemical_list: D004396:Coloring Agents; D008751:Methylene Blue