title: Osteoid osteoma: percutaneous excision using a CT-guided coaxial technique.
abstract: OBJECTIVE
  We describe a coaxial technique for percutaneous, CT-guided removal of osteoid osteoma in children.
  
  
  METHODS
  The study included eight children aged 3 years to 15 years 9 months who had signs and symptoms of osteoid osteoma. The diagnoses were confirmed by CT scans. Seven of nine lesions were removed manually with a coaxial technique and a trephine. Power tools were added to the technique in the other two cases. Removal of the nidus was confirmed by postprocedural CT scans and by histologic examination.
  
  
  RESULTS
  All CT-guided excisions were technically successful, and only one minor complication occurred. One recurrence at 13 months was successfully treated percutaneously.
  
  
  CONCLUSIONS
  CT-guided coaxial removal of osteoid osteoma is a safe and effective treatment. Increasing experience and the use of power tools in selected cases helps to shorten the procedure.
authors.affiliation: Department of Radiology, Children's Hospital of Pittsburgh, PA 15213, USA.
authors.forename: R
authors.initials: R
authors.lastname: Towbin
authors.forename: R
authors.initials: R
authors.lastname: Kaye
authors.forename: M P
authors.initials: MP
authors.lastname: Meza
authors.forename: A N
authors.initials: AN
authors.lastname: Pollock
authors.forename: K
authors.initials: K
authors.lastname: Yaw
authors.forename: M
authors.initials: M
authors.lastname: Moreland
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000601:surgery*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D010017:Osteoma, Osteoid / Q000000981:diagnostic imaging / Q000601:surgery*; D015641:Radiography, Interventional; D014057:Tomography, X-Ray Computed