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Old 08-16-2012, 11:56 AM   #1
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Help Understanding MRI MRA Results

I don't understand my test results and won't see the doctor for four weeks. Can anyone please help me understand my results? I am overwhelmed. Thank you in advance.

MRA:

"There is gross patency of the central intracranial circulation including the
bilateral distal vertebral arteries, basilar artery and its distal
branches, the bilateral intracranial internal carotid arteries, and
the A1 and M1 segments. Predominately fetal supply of the right
posterior cerebral artery with mildly hypoplastic P1 segment is
noted, compatible with normal anatomic variant.

Evaluation for aneurysms is significantly limited by motion
degradation. There is suggestion of prominent infundibulae versus
aneurysmal dilatation in the regions of the right posterior
communicating artery origin, the right anterior choroidal artery
origin, and the right lenticulostriate vessels. Please note MRA is
less sensitive for those aneurysms under 4 mm.

Significantly motion degraded angiographic images demonstrate
gross patency of the central intracranial circulation, as above.
Vascular dilatations at the origins of the right posterior
communicating artery, right anterior choroidal artery, and right
lenticulostriate vessels may represent infundbula, but the study is
not of sufficient resolution to exclude aneurysm."

MRI:

"There is no intracranial hemorrhage, extracerebral fluid collection,
mass effect, midline shift or herniation. there is no abnormal
diffusion restriction or pathologic enhancement. No focal
parenchymal signal abnormality is seen. The ventricles are normal in
size, contour and configuration.

Mild biethmoidal air cell mucosal thickening is seen. There is fatty
infiltration of the parotid glands bilaterally.

Angiographic images are significantly motion degraded, such that they
are not sufficiently sensitive to detect subtle vascular irregularity
or to evaluate patency of the peripheral vasculature. There is gross
patency of the central intracranial circulation including the
bilateral distal vertebral arteries, basilar artery and its distal
branches, the bilateral intracranial internal carotid arteries, and
the A1 and M1 segments. Predominately fetal supply of the right
posterior cerebral artery with mildly hypoplastic P1 segment is
noted, compatible with normal anatomic variant.

Evaluation for aneurysms is significantly limited by motion
degradation. There is suggestion of prominent infundibulae versus
aneurysmal dilatation in the regions of the right posterior
communicating artery origin, the right anterior choroidal artery
origin, and the right lenticulostriate vessels. Please note MRA is
less sensitive for those aneurysms under 4 mm.

Impression:

1. Significantly motion degraded angiographic images demonstrate
gross patency of the central intracranial circulation, as above.
Vascular dilatations at the origins of the right posterior
communicating artery, right anterior choroidal artery, and right
lenticulostriate vessels may represent infundbula, but the study is
not of sufficient resolution to exclude aneurysm.


2. No focal parenchymal brain abnormality is identified in the
setting of moderate motion degradation."

 
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