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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 23:605-608, April 2002
© 2002 American Society of Neuroradiology

Technical Note
SPINE

Real-Time CT-Guided Spinal Biopsy with a Disposable Stereotactic Device: A Technical Note

Donald Chakeres^a, Wayne Slone^a, Greg Christoforidis^a and Eric Bourekas^a

^a From the Department of Radiology, Ohio State University College of Medicine and Public Health, Columbus Ohio

Address reprint requests to Donald Chakeres, MD, Department of Radiology, 169 Means Hall, 1654 Upham Drive, Ohio State University College of Medicine and Public Health, Columbus, OH

Summary: We compared eight spinal needle biopsy procedures performed with an investigational disposable real-time stereotactic device and eight spinal needle freehand biopsies in which a standard technique was used, to determine whether the investigational device added value to the procedure. The device uses a simple stereotactic diaphragm pattern to define two vector points. The procedures in which the device was used were completed in 38% less time, using 50% fewer images, with considerably improved spatial accuracy and increased operator confidence, despite the device learning curve.