MRI features after radiofrequency ablation of osteoid osteoma with cooled probes and impedance-control energy delivery

AJR. American Journal of Roentgenology
Colin P CantwellStephen Eustace

Abstract

The purposes of our study were to determine the temporal changes in MR signal in bone after radiofrequency ablation of osteoid osteoma and the size of the zone of marrow signal change produced by the radiofrequency technique and to compare the size of the zone with published data for radiofrequency ablation with manual-control protocols. Radiofrequency ablation was performed in 10 patients with a clinical and radiologic diagnosis of osteoid osteoma. A cooled radiofrequency probe was inserted in the nidus. Twelve minutes of radiofrequency energy was applied from a 200-W radiofrequency generator in an impedance-control setting. MRI with multiplanar turbo spin-echo T1-weighted and STIR sequences was performed at 1, 7, and 28 days after the procedure in seven patients. The three remaining patients had follow-up imaging at 28 days only. The images were reviewed by two radiologists who categorized the imaging features and measured the marrow zone of signal alteration when visible. The size of the zone of marrow signal change produced by the radiofrequency technique was compared with published data for radiofrequency ablation with manual-control protocols. A 1-mm band of homogeneous altered marrow signal distributed symmetrically para...Continue Reading

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Citations

Jul 28, 2010·Cardiovascular and Interventional Radiology·Hansjörg RemppStephan Clasen
Dec 8, 2006·Annals of Surgical Oncology·A PeyserK Atesok
Jul 25, 2009·Annals of Surgical Oncology·Amos PeyserRon Lamdan
May 23, 2007·AJR. American Journal of Roentgenology·Ugo AlbisinniEugenio Rimondi
Dec 18, 2013·Journal of Shoulder and Elbow Surgery·Ugo AlbisinniRoberto Rotini
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Feb 1, 2014·European Journal of Radiology·S FuchsF Streitparth
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Jan 24, 2012·AJR. American Journal of Roentgenology·Sung Gyu MoonSo Dug Lim
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Aug 7, 2007·Journal of Vascular and Interventional Radiology : JVIR·Colin P CantwellStephen Eustace
Aug 15, 2006·Clinical Orthopaedics and Related Research·Colin P Cantwell, Stephen Eustace
Jun 11, 2020·The British Journal of Radiology·Dharmendra Kumar SinghRitu Nair Misra
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Apr 12, 2021·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Anna ParmeggianiGiancarlo Facchini
Sep 28, 2020·Seminars in Ultrasound, CT, and MR·Jerry FrenchArthur B Meyers

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