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Updated: Jun 18, 2026

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CT-guided spinal injection: initial experience with Sprotte tip needles.

Uei Pua1

  • 1Department of Diagnostic Radiology, Tan Tock Seng Hospital, 11 Jalan Tan Tock Seng, Singapore, Singapore. druei@yahoo.com

Neuroradiology
|December 3, 2009
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Summary
This summary is machine-generated.

Small caliber Sprotte needles offer a safe and effective option for CT-guided spinal interventions, improving pain management for chronic spinal conditions. This technique demonstrates feasibility and potential benefits.

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Area of Science:

  • Interventional Radiology
  • Neurosurgery
  • Pain Management

Background:

  • CT-guided spinal interventions (CTSI) are crucial for diagnosing and treating spinal conditions.
  • Traditional needles may cause patient discomfort and procedural challenges.
  • Small caliber, noncutting needles offer a potential alternative.

Purpose of the Study:

  • To describe the initial experience with Sprotte needles in CTSI.
  • To evaluate the potential benefits of using 25/27 G Sprotte needles with a single puncture coaxial technique.
  • To assess the feasibility and safety of this technique for chronic spinal pain management.

Main Methods:

  • A total of 10 patients underwent CTSI using Sprotte needles (25/27 G) with a single puncture coaxial technique.
  • Procedures included selective nerve root block (SNRB), facet joint block, and pars block.
  • Pain scores (VAS), CT fluoroscopy time, and needle deviation were recorded.

Main Results:

  • Successful targeting of all 16 structures was achieved.
  • No increase in visual analog scale (VAS) scores related to needle placement was observed.
  • Optimal peri-neurograms were obtained in all SNRB cases; mean fluoroscopy time was 2 seconds.

Conclusions:

  • Small caliber Sprotte needles are technically feasible for CTSI.
  • This technique represents a potential refinement for managing chronic spinal pain.
  • The use of Sprotte needles in CTSI shows promise for improved patient outcomes.