Radiol med (2017) 122:705–712 DOI 10.1007/s11547-017-0766-2 VASCULAR AND INTERVENTIONAL RADIOLOGY Ultra‑low‑dose periradicular infiltration of the lumbar spine: spot scanning and its potential for further dose reduction by replacing helical planning CT 1 1 1 Fabian Henry Jürgen Elsholtz · Lars‑Arne Schaafs · Christoph Erxleben · 1 1 Bernd Hamm · Stefan Markus Niehues Received: 23 January 2017 / Accepted: 10 April 2017 / Published online: 20 April 2017 © Italian Society of Medical Radiology 2017 Abstract dose decreased from 73 to 25%. As a result, the total inter- Purpose Computed tomography (CT)-guided periradicular ventional dose was reduced significantly from a median infiltration has become an accepted procedure for treating DLP of 8.90 mGy cm to 3.20 mGy cm (−64%). Acquisi- radiculopathy-associated low back pain. The purpose of tions required during the intervention had a median DLP this study is to compare spot scanning and segmental heli- of 2.40 mGy cm for group I and 2.35 mGy cm for group cal planning CT in terms of dose reduction. II, showing no significant difference. Median pain reduc - Materials and methods Eighty-five patients underwent tion in both groups was two points on the numeric rating CT-guided single-site lumbar periradicular therapy. Prior
La radiologia medica – Springer Journals
Published: Apr 20, 2017
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