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Axial T2WI's disclose 3 focal hyperintense lesion in the left cerebellum.
Also present is subtle hyperintensity within the pons. A small aberrant
vessel is noted ventral to the medulla (upper Rt).
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Lt image: Axial FLAIR image shows hyperintense areas in the pons, some
of which have a linear character.
Rt images: Coronal T1WI's with Gd reveal enhancement of the pontine lesion.
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Axial T1WI's with Gd confirm heterogeneous enhancement of the pons
with some linear and punctate regions. The vessel anterior to the medulla
also enhances, indicating slow venous-like flow.
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RIGHT VERTEBRAL ANGIOGRAM
Lt images: AP & lateral arterial phase is normal.
Rt images: AP venous phase images disclose an abnormal vascular
structure (middle of images) that has multiple branches medially and
courses laterally into the CP angle and drains into the sigmoid sinus.
Key words: mri vascular angiography
Brain Diagnosis:
Venous malformation
& cavernous angioma