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Interventional radiologists are doctors trained in radiology and in minimally invasive procedures. They are experts in reading X-rays, ultrasounds, CT and other medical imaging techniques.<\/p>\n![\"\"](\"https:\/\/snrir.ro\/wp-content\/uploads\/2016\/08\/service-two-img4-1-300x204.jpg\")
Interventional radiology has a number of benefits for patients. The imaging techniques allow accurate diagnosis and treatment using cutting-edge equipment.<\/p>\n![\"\"](\"https:\/\/snrir.ro\/wp-content\/uploads\/2016\/08\/service-two-img3-1-300x204.jpg\")
Angiography<\/h3>\n
Angiography refers to real-time X-rays of arteries or veins following the injection of contrast material, which makes the vessels clearly visible under imaging. The contrast material is delivered through a thin catheter (tube) into a particular blood vessel and shows the inside of the vessel, allowing the interventional radiologist to locate blockages and problems within the vessel. Angiography is the primary method used to guide many IR procedures in the circulatory system, including angioplasty, embolisation and targeted delivery of chemotherapy.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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Computed tomography (CT)<\/h3>\n
A CT scan is an X-ray imaging test that provides detailed cross sections of the body\u2019s internal tissues. The patient is given an injection of contrast material before the procedure to aid visualisation of the arteries and veins. The series of cross sections obtained during CT scanning can be used to create a 3-dimensional picture of the blood vessels called a CT angiogram (CTA). It can also often replace the need for traditional angiography to determine if a patient may benefit from angioplasty or stent placement for artery and vein occlusions.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
Fluoroscopy<\/h3>\n
Fluoroscopy uses X-rays to produce real-time moving images of the patient\u2019s internal structure. The patient receives an injection of contrast material, which makes arteries, veins and blood vessels show up more clearly under X-ray. Fluoroscopy is used for guidance in a number of IR procedures, including angiography, discography and image-guided biopsy.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
Magnetic resonance angiography (MRA)<\/h3>\n
For MRA, the patient is placed in a magnetic field and then radio waves are used to create images of arteries and veins. MRA is a particularly powerful vascular imaging modality in that it is extremely safe, non-invasive, does not require radiation and can be used safely in patients who have impaired kidney function. MR guidance is used to provide real-time monitoring and temperature mapping without exposure to ionising radiation. However, it is not compatible with metal instruments, meaning that specialised instruments are required when the technique is used to guide IR procedures.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
Ultrasound<\/h3>\n
To obtain an ultrasound image, inaudible sound waves are emitted from a probe and reflected back to the probe by the internal organs. The reflected sound waves are used to build a 2-dimensional image, in a similar way to the use of SONAR by submarines. Ultrasound allows the physician see inside the body without using radiation, and is commonly used as the first method to check for vascular blockages and aneurysm. It also provides a robust guidance tool for many IR procedures such as biopsies, abscess drainage and tumour ablation.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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