HISTORY: 44 year old Male with history of Persistent dizziness
despite extensive negative work-up.
TECHNIQUE: Multiplanar MR imaging of the brain was performed using a
3 Tesla magnet before and after the uneventful intravenous
administration of 30 mL of gadolinium. DAKE protocol was performed.
Multilevel post surgical changes are seen along the cervical spine.
No acute infarct, midline shift, mass-effect, extra-axial collection,
intracranial hemorrhage or ventriculomegaly is present. There is no
abnormal enhancement on the postcontrast images. There is a flow void
extending through the midbrain in the midline with adjacent linear
high signal best seen on series 4 which may represent a development
venous anomaly or artifact.
The sinuses appear clear. The basal cisterns are patent. The vascular
flow voids at the skull base are visualized.
MRV head and neck:
The dural venous sinuses are patent. There is apparent narrowing
along the mid cervical segment of the right internal jugular vein on
the gradient sequence, however this portion is normal in caliber on
the time resolved contrast sequence and is likely artifactual on the
gradient sequence. No significant stenosis is seen along the neck
No perfusion asymmetry is seen.
1. NO ACUTE INFARCT. NO VENOUS STENOSIS. NO PERFUSION ABNORMALITY.
2. PROBABLE DEVELOPMENTAL VENOUS ANOMALY, VERSUS ARTIFACT AS IT IS
UNABLE TO BE CONFIRMED ON THE POSTCONTRAST SEQUENCE, ALONG THE
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