Interventional Radiology

Each imaging modality supports a different form of procedural guidance. Fluoroscopy provides moving images during catheter and wire manipulation, while computed tomography, ultrasound, or magnetic resonance imaging can help direct needles toward targeted tissues. Selecting the appropriate modality allows the radiologist to visualize relevant anatomy during diagnosis or treatment and helps maintain accurate access to the intended site.

These instruments provide different routes for reaching targeted tissues or blood vessels through small skin openings. Needles can access tissue for biopsy, ablation, or drainage, whereas wires and catheters support treatment within vessels. Their image-guided movement allows procedures to focus on a specific location while limiting the tissue disruption associated with open surgery.

These procedures alter blood flow in different ways. Embolization restricts or stops flow to a selected area, including for bleeding control or treatment of a target region. Angioplasty opens a narrowed vessel, while stent placement helps maintain that opening. Together, these approaches show how interventional radiology can either reduce or restore vascular flow according to the clinical goal.

The radiologist first uses an imaging method suited to the target tissue or vessel, then guides a needle, wire, or catheter through a small skin opening. The instrument is directed to the intended site for sampling, drainage, ablation, or vascular treatment. Imaging remains central throughout the procedure, helping connect the planned intervention with the targeted anatomy.

Clinicians may consider this approach when a condition can be reached and treated through a small skin opening rather than a larger surgical exposure. Supported applications include biopsy, tumor ablation, abscess drainage, angioplasty, stent placement, and embolization. Its minimally invasive design can provide an alternative to open surgery while reducing tissue disruption and potentially shortening recovery.

Interventional radiology can support both diagnosis and treatment in the same broad clinical framework. Biopsy provides tissue sampling, while drainage, ablation, and vascular procedures address specific pathological targets or blood-flow problems. Because imaging directs the intervention, the approach can improve procedural precision, expand treatment options, and reduce the physical disruption associated with more invasive operations.