MR venography (MRV) of the neck is non-invasive method used for 3D evaluation of the neck veins and helps to identify venous abnormalities especially venous occlusion. This exam does not use radiation and may require an injection of contrast material.
Patients with suspected venous abnormalities especially venous occlusions.To evaluate the neck veins in relation to neck masses.
Patients with mechanically/magnetically activated devices as cardiac pacemaker, cochlear implants.Patients with metallic foreign body in the eye.Pregnant women in the first trimester (benefits versus risk to be assessed).Patients with ferromagnetic surgical clips or prosthesis.
Your physician may request MRV of the brain to assess cerebral venous sinuses.Your physician may ask for MRV study with contrast.
No preparation needed for the non-contrast study.Patient should be food fasting 4-6 hrs before the exam in case of contrast enhanced study only. Adequate hydration is needed and recent kidney function test should be available at the time of your examination.In case of claustrophobic patients, the examination can be done in one of our open MRI machines or under anesthesia.
MRV of the neck is done in about 5-10 minutes while the patient is lying comfortably on MRI table.
The examination is done on one of our highly advanced CT machines available in our branches.
No after care or precautions needed following non contrast enhanced study.In case of contrast enhanced study drinking plenty of water is advised to help to wash out the injected IV contrast material out of your body except if you are on fluid balance for renal or cardiac condition you may consult your physician and in case of lactating mothers it is advised to escape lactation for 24 hrs after the contrast injection.