Image-guided marker placement in liver tumors for stereotactic radiotherapy: technique and safety
| Autor: | Frederik Vandenbroucke, Nico Buls, Vincent Vinh-Hung, Barbara Craggs, Johan De Mey |
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| Přispěvatelé: | Medical Imaging and Physical Sciences, Supporting clinical sciences, Faculty of Medicine and Pharmacy, Medical Imaging, Translational Radiation Oncology and Physics, Applied Physics and Photonics, Faculty of Sciences and Bioengineering Sciences, Faculty of Engineering |
| Jazyk: | angličtina |
| Rok vydání: | 2010 |
| Předmět: |
Target lesion
Male medicine.medical_specialty Percutaneous medicine.medical_treatment SRT liver Radiosurgery Decreased size ddc:616.0757 Stereotactic radiotherapy interventional radiology medicine Gold/*diagnostic use Fluoroscopy Humans Radiology Nuclear Medicine and imaging Multislice Tomography X-Ray Computed Aged marker Aged 80 and over Liver Neoplasms/*surgery medicine.diagnostic_test business.industry Liver Neoplasms Interventional radiology Middle Aged radiology Radiation therapy Radiosurgery/*methods Female Gold Radiology business RADIOTHERAPY Follow-Up Studies |
| Zdroj: | Journal of Computer Assisted Tomography, Vol. 34, No 3 (2010) pp. 367-371 |
| ISSN: | 0363-8715 |
| Popis: | PURPOSE: To evaluate the technique and safety of percutaneous radiopaque gold marker placement in the liver before external stereotactic radiotherapy for intrahepatic tumors. MATERIALS AND METHODS: Thirteen patients were included in this study. One gold marker per patient was placed using a computed tomographic fluoroscopy procedure. Follow-up was carried out with a multislice computed tomographic scan. RESULTS: A marker was placed in the center (n = 6) or in the periphery (n = 7) of the target lesion. No immediate complications were noted. Long-term follow-up showed changes in coil position relative to liver anatomy in 4 cases; all 4 markers were placed in the center of the target lesion. No other long-term complications were seen. CONCLUSIONS: Radiopaque markers can be placed safely in liver lesions before external stereotactic radiotherapy. However, marker displacement can occur early, thereby compromising the precision of the planned treatment. The decreased size of the tumor as a response to therapy was responsible for late migration in this small series. |
| Databáze: | OpenAIRE |
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