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  • HomeDr. Kunal Arora

What are USG & CT guided procedures?

USG (Ultrasound-Guided) and CT (Computed Tomography-Guided) procedures are minimally invasive techniques used for diagnosing and treating various medical conditions. These procedures use imaging guidance to enhance precision, improve outcomes, and reduce complications.

Ultrasound-Guided Procedures

Ultrasound-Guided Procedures utilize real-time imaging to guide the placement of needles or other instruments during diagnostic and therapeutic interventions. The sound waves produced by the ultrasound machine create images of the internal organs and structures, providing a clear view.

Common USG Procedures:

  • Biopsies:Using ultrasound to guide a needle to a suspicious area to obtain tissue samples from organs such as the liver, thyroid, breast, and lymph nodes.
  • Aspiration and Drainage: Removing fluid collections (e.g., abscesses, cysts) or performing fine-needle aspiration (FNA) to extract fluid or cells for examination.
  • Joint Injections and Aspirations: Delivering medications directly into a joint or aspirating joint fluid for diagnostic purposes.
  • Central Line Placement: Guiding the insertion of central venous catheters into veins.
  • Nerve Blocks: Administering anesthetics around nerves to manage pain.

CT-Guided Procedures

CT-Guided Procedures use computed tomography imaging to provide cross-sectional, detailed images of the body's internal structures. These images help in accurately guiding needles or other instruments to the targeted area.

Common CT-Guided Procedures:

  • Biopsies: Using CT imaging to guide a needle to collect tissue samples from organs such as the lungs, liver, kidneys, pancreas, and bones.
  • Aspiration and Drainage: Removing fluid collections or abscesses using needle aspiration guided by CT imaging.
  • Radiofrequency Ablation (RFA) and Cryoablation: Treating tumors by using heat (RFA) or extreme cold (cryoablation) guided by CT imaging.
  • Vertebroplasty and Kyphoplasty: Stabilizing fractured vertebrae by injecting bone cement into the spine using CT guidance.
  • Pain Management Injections: Administering pain-relieving medications directly to the source of pain, such as spinal nerve roots.

What are the advantages of USG and CT-Guided procedures?

  • Precision: Real-time imaging allows for precise needle placement and instrument guidance, reducing the risk of damage to surrounding tissues.
  • Minimally Invasive: These procedures typically involve small incisions or needle punctures, leading to faster recovery and lower complication rates compared to open surgeries.
  • Reduced Pain and Scarring: Minimally invasive nature results in less pain and minimal scarring.
  • Outpatient Setting: Many of these procedures can be performed on an outpatient basis, reducing hospital stay and healthcare costs.
  • Versatility: Applicable to a wide range of diagnostic and therapeutic interventions.