CT-guided radiofrequency ablation of osteoid osteoma: correlation of clinical outcome and imaging features
PURPOSEWe aimed to retrospectively evaluate the computed tomography (CT) and magnetic resonance imaging (MRI) findings of patients with osteoid osteoma treated with CT-guided radiofrequency ablation (RFA) along with the clinical outcome and long-term success.MATERIALS AND METHODSSeventy-three CT-gui...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Galenos Publishing House
2013-07-01
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| Series: | Diagnostic and Interventional Radiology |
| Online Access: |
http://www.dirjournal.org/archives/archive-detail/article-preview/ct-guided-radiofrequency-ablation-of-osteoid-osteo/56614
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| _version_ | 1797691412685258752 |
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| author | Christoph Rehnitz Simon David Sprengel Burkhard Lehner Karl Ludwig Georg Omlor Christian Merle Hans-Ulrich Kauczor Volker Ewerbeck Marc-André Weber |
| author_facet | Christoph Rehnitz Simon David Sprengel Burkhard Lehner Karl Ludwig Georg Omlor Christian Merle Hans-Ulrich Kauczor Volker Ewerbeck Marc-André Weber |
| author_sort | Christoph Rehnitz |
| collection | DOAJ |
| description | PURPOSEWe aimed to retrospectively evaluate the computed tomography (CT) and magnetic resonance imaging (MRI) findings of patients with osteoid osteoma treated with CT-guided radiofrequency ablation (RFA) along with the clinical outcome and long-term success.MATERIALS AND METHODSSeventy-three CT-guided RFA procedures were performed in 72 patients. The long-term success was assessed using a questionnaire including several visual analog scale scores. The CT evaluation included pre- and immediate postprocedural imaging of all 72 patients, and MRI was performed in 18 patients with follow-up imaging (mean, 3.4±2.2 months). The evaluation criteria included nidus morphology and a correlation with markers of clinical success.RESULTSThe primary technique effectiveness rate was 71/72 (99%). One relapse was successfully retreated, leading to a secondary technique effectiveness rate of 72/72 (100%). The long-term follow-up (mean, 51.2±31.2 months; range, 3–109 months) revealed a highly significant reduction of all assessed limitation scores (P < 0.001). The CT morphology was typical in all cases and did not change during the short-term follow-up. The follow-up MRI patterns varied considerably, including persistent nidus contrast enhancement in one-third (6/18) and persistent marrow edema in half (9/18) of the patients. None of the investigated MRI and CT patterns correlated with the clinical outcome.CONCLUSIONThe long-term outcome of CT-guided RFA of osteoid osteoma is excellent. There is no correlation of the CT and MRI patterns with the clinical outcome. Thus, the treatment decisions should not be solely based on the imaging findings. Investigators should also be aware of the variety of imaging patterns after RFA. |
| first_indexed | 2024-03-12T02:13:55Z |
| format | Article |
| id | doaj.art-29022421e40648feba2753d3720b5c8c |
| institution | Directory Open Access Journal |
| issn | 1305-3825 1305-3612 |
| language | English |
| last_indexed | 2024-03-12T02:13:55Z |
| publishDate | 2013-07-01 |
| publisher | Galenos Publishing House |
| record_format | Article |
| series | Diagnostic and Interventional Radiology |
| spelling | doaj.art-29022421e40648feba2753d3720b5c8c2023-09-06T10:52:50ZengGalenos Publishing HouseDiagnostic and Interventional Radiology1305-38251305-36122013-07-0119433033910.5152/dir.2013.09613049054CT-guided radiofrequency ablation of osteoid osteoma: correlation of clinical outcome and imaging featuresChristoph Rehnitz0Simon David Sprengel1Burkhard Lehner2Karl Ludwig3Georg Omlor4Christian Merle5Hans-Ulrich Kauczor6Volker Ewerbeck7Marc-André Weber8 Department of Diagnostic and Interventional Radiology University of Heidelberg, Heidelberg, Germany. Department of Orthopedic Surgery , University of Heidelberg, Heidelberg, Germany. Department of Orthopedic Surgery , University of Heidelberg, Heidelberg, Germany. Department of Orthopedic Surgery , University of Heidelberg, Heidelberg, Germany. Department of Orthopedic Surgery , University of Heidelberg, Heidelberg, Germany. Department of Orthopedic Surgery , University of Heidelberg, Heidelberg, Germany. Department of Diagnostic and Interventional Radiology University of Heidelberg, Heidelberg, Germany. Department of Orthopedic Surgery , University of Heidelberg, Heidelberg, Germany. Department of Diagnostic and Interventional Radiology University of Heidelberg, Heidelberg, Germany. PURPOSEWe aimed to retrospectively evaluate the computed tomography (CT) and magnetic resonance imaging (MRI) findings of patients with osteoid osteoma treated with CT-guided radiofrequency ablation (RFA) along with the clinical outcome and long-term success.MATERIALS AND METHODSSeventy-three CT-guided RFA procedures were performed in 72 patients. The long-term success was assessed using a questionnaire including several visual analog scale scores. The CT evaluation included pre- and immediate postprocedural imaging of all 72 patients, and MRI was performed in 18 patients with follow-up imaging (mean, 3.4±2.2 months). The evaluation criteria included nidus morphology and a correlation with markers of clinical success.RESULTSThe primary technique effectiveness rate was 71/72 (99%). One relapse was successfully retreated, leading to a secondary technique effectiveness rate of 72/72 (100%). The long-term follow-up (mean, 51.2±31.2 months; range, 3–109 months) revealed a highly significant reduction of all assessed limitation scores (P < 0.001). The CT morphology was typical in all cases and did not change during the short-term follow-up. The follow-up MRI patterns varied considerably, including persistent nidus contrast enhancement in one-third (6/18) and persistent marrow edema in half (9/18) of the patients. None of the investigated MRI and CT patterns correlated with the clinical outcome.CONCLUSIONThe long-term outcome of CT-guided RFA of osteoid osteoma is excellent. There is no correlation of the CT and MRI patterns with the clinical outcome. Thus, the treatment decisions should not be solely based on the imaging findings. Investigators should also be aware of the variety of imaging patterns after RFA. http://www.dirjournal.org/archives/archive-detail/article-preview/ct-guided-radiofrequency-ablation-of-osteoid-osteo/56614 |
| spellingShingle | Christoph Rehnitz Simon David Sprengel Burkhard Lehner Karl Ludwig Georg Omlor Christian Merle Hans-Ulrich Kauczor Volker Ewerbeck Marc-André Weber CT-guided radiofrequency ablation of osteoid osteoma: correlation of clinical outcome and imaging features Diagnostic and Interventional Radiology |
| title | CT-guided radiofrequency ablation of osteoid osteoma: correlation of clinical outcome and imaging features |
| title_full | CT-guided radiofrequency ablation of osteoid osteoma: correlation of clinical outcome and imaging features |
| title_fullStr | CT-guided radiofrequency ablation of osteoid osteoma: correlation of clinical outcome and imaging features |
| title_full_unstemmed | CT-guided radiofrequency ablation of osteoid osteoma: correlation of clinical outcome and imaging features |
| title_short | CT-guided radiofrequency ablation of osteoid osteoma: correlation of clinical outcome and imaging features |
| title_sort | ct guided radiofrequency ablation of osteoid osteoma correlation of clinical outcome and imaging features |
| url |
http://www.dirjournal.org/archives/archive-detail/article-preview/ct-guided-radiofrequency-ablation-of-osteoid-osteo/56614
|
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