What do these MRI findings indicate?
Part 1: There is a remote 5mm lacunar infarct centrally situated in the left mid pons.
No significant atrophy for age. Minor. No advanced or significant small vessel ischemic change. Minor.
No transcortical infarct. No hemorrhage. Patient indicates prior history of subarachnoid hemorrhage but no hemorrhage or chronic blood product obvious on the standard sequences.
No subacute infarct. Tiny focus of increased signal on the diffusion images in the posterior right centrum semiovale does not correlate with any of the minor small vessel type ischemic change.
Recommend magnetic residence angiogram
Unusual prominent caliber diffusely dilated central arterial vessels. There are large caliber vertebral arteries. Large caliber basilar. In particular the enlarged aneurysmal segment of the right intracavernous carotid. 12mm transverse. AP 15 mm with arterial enhancement projecting lateral to the right cavernous sinus or displacing it toward the right. Contiguously extends into the supraclinoid. It gives rise to a very large right posterior communicating. 1. remote 5 mm lacunar infarct centrally situated in the left pons
2. recommend magnetic resonance angiogram
-very unusual large claiber diffusely dilated central arterial structures. Greater involving the anterior circulation.
- The right intracavernous carotid is diffusely aneurysmal with a transverse diameter of 12mm. 15 mm AP with contiguous extension into the right
-diffuse aneurysmal dilation of the left supraclinoid carotid at its bifurcation into the A1 and M1 segments. Approximately 12mm AP 7xy 8mm AP and transverse
-Large caliber vertebrobasilar system
Diffuse aneurysmal dilation of the left supraclinoid internal carotid aneurysmal. This is seen at the junction of the supraclinoid with the A1 and M1 segments. Extends over a length of approximately 12 mm appeared AP and transverse diameters between 7 and 8 mm.
Basilar artery also large. Slightly lobulated midsection. No aneurysm obvious at the tip large caliber basilar arteries.
Perhaps no angiogram was done on the first exam
Hello! I read your question carefully and I am sorry about what has happened to your husband.
I went over the MRI findings several times. I am afraid though it wasn't really clear which was the first and which was the second MRI, the vessel findings are repeated several times (some things are even repeated three times) in different words, but more or less the same content, so since there are no dates and not specified where it is that one report ends and where does the other begin.
Now your perplexity is right, the aneurysmal changes were already present at the time of the first MRI, they didn't develop after, so they should have been noticed, perhaps impossible to treat in this diffuse form and wouldn't avoid the hemorrhage, but should've been noticed.
The only explanation would be the first MRI being done without sequences which study blood vessels. An MRI involves different sequences, techniques, which study different things in the brain. For the study of the blood vessels there are different techniques from those for the brain matter, it is called MRA (magnetic resonance angiogram). So if the first MRI was done with the aim of studying the brain matter and no MRA was included as well, then the blood vessel changes may be missed.
I suspect that is the case here as after the first three paragraphs there is the phrase "Recommend magnetic residence angiogram". So if that is the end of the report of the first MRI it seems MRA wasn't included, as I said I am not clear where does one report end and the other begin.
I remain at your disposal for further questions, but possibly with some info to help me understand how many MRI reports are there and where is the separating line.
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