Non Contrast MR Angio

Overview

Non Contrast MR Angio (Magnetic Resonance Angiography) is a specialized MRI examination used to evaluate arteries and blood vessels without the need for intravenous contrast injection. This advanced imaging technique uses specialized MRI sequences to visualize blood flow and vascular anatomy, helping detect narrowing, blockages, aneurysms, malformations, and other vascular abnormalities.

The examination is commonly recommended for patients with suspected vascular disease, stroke risk factors, headaches, dizziness, transient ischemic attacks, vascular malformations, aneurysms, or circulatory disorders. Non Contrast MR Angio provides valuable vascular information while avoiding exposure to ionizing radiation and contrast agents.

Benefits of Non Contrast MR Angio

• Provides detailed visualization of blood vessels.
• Does not require intravenous contrast injection.
• Detects arterial narrowing and vascular blockages.
• Identifies aneurysms and vascular malformations.
• Evaluates blood flow patterns and circulation.
• Supports stroke risk assessment and vascular screening.
• Non-invasive and radiation-free imaging procedure.
• Suitable for patients who cannot receive contrast agents.

Why Doctors Recommend This Test

• Evaluation of suspected vascular disease.
• Assessment of aneurysms and vascular malformations.
• Investigation of stroke and transient ischemic attacks.
• Evaluation of arterial narrowing or blockage.
• Assessment of dizziness and neurological symptoms.
• Screening of high-risk vascular patients.
• Monitoring known vascular abnormalities.

Preparation Before the Test

• No special preparation is generally required.
• Inform your doctor about pacemakers, implants, stents, or metallic devices.
• Remove jewelry and metallic accessories before the scan.
• Carry previous imaging reports if available.
• Inform the radiology team if you are pregnant or claustrophobic.
• Wear comfortable clothing during the examination.

Who Should Take This Test?

• Patients with suspected vascular disorders.
• Individuals with stroke risk factors.
• Patients with headaches, dizziness, or neurological symptoms.
• Individuals with suspected aneurysms.
• Patients with vascular malformations.
• Individuals unable to receive contrast agents.
• Patients requiring non-invasive vascular assessment.

Normal Reporting Time

Reports are typically available within 2 to 3 hours after completion of the examination and radiologist review.

Detailed Information

Non Contrast MR Angio is an advanced vascular imaging examination that allows radiologists to evaluate blood vessels without administering contrast material. Specialized MRI techniques such as Time-of-Flight (TOF) and Phase Contrast imaging generate detailed vascular images based on blood flow characteristics.

The examination is particularly useful for detecting aneurysms, arterial stenosis, vascular occlusions, congenital vascular malformations, carotid artery disease, intracranial vascular abnormalities, and circulatory disorders. It is often preferred in patients with kidney disease or those who cannot receive contrast-enhanced imaging.

The scan can identify narrowed arteries, blocked vessels, aneurysms, arteriovenous malformations, vascular irregularities, blood flow disturbances, and other circulatory abnormalities. Early diagnosis helps physicians initiate appropriate medical, interventional, or surgical treatment.

Non Contrast MR Angio is frequently requested by neurologists, neurosurgeons, vascular surgeons, cardiologists, stroke specialists, and radiologists. The examination assists in diagnosis, treatment planning, risk assessment, and long-term monitoring of vascular diseases.

The procedure is painless and non-invasive. During the examination, the patient lies comfortably inside the MRI scanner while specialized vascular images are acquired. The scan typically takes between 20 and 45 minutes depending on the body region being evaluated. Reports are generally available within 2 to 3 hours after interpretation by an experienced radiologist.