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Related Concept Videos

Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

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IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
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Computed Tomography-Guided Percutaneous Infiltrations for Piriformis Syndrome: A Single-Center Retrospective Study.

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Computed tomography (CT)-guided percutaneous infiltration effectively reduces pain and improves mobility in patients with piriformis syndrome (PS) refractory to conservative treatments. This minimally invasive procedure offers a safe and feasible option for managing PS symptoms.

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Area of Science:

  • Pain Management
  • Minimally Invasive Procedures
  • Neurology

Background:

  • Piriformis syndrome (PS) is a common cause of low back pain and sciatica, affecting approximately 6% of the global population.
  • Conservative therapies often fail to provide relief for symptomatic PS patients.
  • Computed tomography (CT)-guided percutaneous infiltration is an emerging treatment option for refractory cases.

Purpose of the Study:

  • To retrospectively evaluate the effectiveness and safety of CT-guided percutaneous infiltration for treating PS.
  • To assess pain reduction and functional improvement in patients with refractory PS.

Main Methods:

  • Retrospective analysis of 20 consecutive PS patients undergoing CT-guided percutaneous infiltration.
  • Injection of a long-acting corticosteroid and local anesthetic mixture under CT guidance.
  • Pain assessment using a numeric visual scale (NVS) at baseline and 1 week, 1, 6, and 12 months post-procedure.

Main Results:

  • Mean NVS pain scores significantly decreased from 8.95 pre-procedure to 0.85 at 1 week, 0.90 at 1 month, 1.10 at 6 months, and 1.20 at 12 months (p < 0.001).
  • 10% of patients required a second infiltration due to persistent symptoms.
  • No complications were reported during or after the procedures.

Conclusions:

  • CT-guided percutaneous infiltration is a feasible, effective, and safe treatment for reducing pain and improving mobility in patients with symptomatic PS.
  • This technique provides a valuable therapeutic option for patients whose symptoms do not respond to conservative management.