Technical Note. Curved Needle Technique for the Avoidance of Interposed Structures in CT-Guided Percutaneous Fine Needle Biopsy

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Abstract
A previously unreported technique by which interposed structures can be avoided in CT-guided percutaneous fine needle biopsy is described. Fine gauge biopsy needles are curved before insertion, either directly or through a coaxial guidance needle. The arc described by the needle allows an intervening structure to be avoided.