Differences in Radiation Exposure of CT-Guided Percutaneous Manual and Powered Drill Bone Biopsy
Autor: | Marcel Opitz, Sumitha Selvaretnam, Johannes Haubold, Michael Forsting, Axel Wetter, Sebastian Zensen, Jens M. Theysohn, Nika Guberina, Denise Bos |
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Jazyk: | angličtina |
Rok vydání: | 2021 |
Předmět: |
Image-Guided Biopsy
Percutaneous Medizin radiation exposure Lumbar vertebrae Radiation Dosage 030218 nuclear medicine & medical imaging 03 medical and health sciences 0302 clinical medicine bone biopsy Biopsy medicine Humans Radiology Nuclear Medicine and imaging Femur Clinical Investigation Retrospective Studies medicine.diagnostic_test Drill business.industry Ultrasound computed tomography diagnostic reference level Sacrum medicine.anatomical_structure 030220 oncology & carcinogenesis Thoracic vertebrae Tomography X-Ray Computed Cardiology and Cardiovascular Medicine business Nuclear medicine |
Zdroj: | Cardiovascular and Interventional Radiology |
Popis: | Purpose Apart from the commonly applied manual needle biopsy, CT-guided percutaneous biopsies of bone lesions can be performed with battery-powered drill biopsy systems. Due to assumably different radiation doses and procedural durations, the aim of this study is to examine radiation exposure and establish local diagnostic reference levels (DRLs) of CT-guided bone biopsies of different anatomical regions. Methods In this retrospective study, dose data of 187 patients who underwent CT-guided bone biopsy with a manual or powered drill biopsy system performed at one of three different multi-slice CT were analyzed. Between January 2012 and November 2019, a total of 27 femur (A), 74 ilium (B), 27 sacrum (C), 28 thoracic vertebrae (D) and 31 lumbar vertebrae (E) biopsies were included. Radiation exposure was reported for volume-weighted CT dose index (CTDIvol) and dose–length product (DLP). Results CTDIvol and DLP of manual versus powered drill biopsy were (median, IQR): A: 56.9(41.4–128.5)/66.7(37.6–76.2)mGy, 410(203–683)/303(128–403)mGy·cm, B: 83.5(62.1–128.5)/59.4(46.2–79.8)mGy, 489(322–472)/400(329–695)mGy·cm, C: 97.5(71.6–149.2)/63.1(49.1–83.7)mGy, 627(496–740)/404(316–515)mGy·cm, D: 67.0(40.3–86.6)/39.7(29.9–89.0)mGy, 392(267–596)/207(166–402)mGy·cm and E: 100.1(66.5–162.6)/62.5(48.0–90.0)mGy, 521(385–619)/315(240–452)mGy·cm. Radiation exposure with powered drill was significantly lower for ilium and sacrum, while procedural duration was not increased for any anatomical location. Local DRLs could be depicted as follows (CTDIvol/DLP): A: 91 mGy/522 mGy·cm, B: 90 mGy/530 mGy·cm, C: 116 mGy/740 mGy·cm, D: 87 mGy/578 mGy·cm and E: 115 mGy/546 mGy·cm. The diagnostic yield was 82.4% for manual and 89.4% for powered drill biopsies. Conclusion Use of powered drill bone biopsy systems for CT-guided percutaneous bone biopsies can significantly reduce the radiation burden compared to manual biopsy for specific anatomical locations such as ilium and sacrum and does not increase radiation dose or procedural duration for any of the investigated locations. Level of Evidence Level 3. |
Databáze: | OpenAIRE |
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