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Imaging: Pacing & circling cat
In our clinic’s experience, the most common location of Lacunar infarct we see is caudate. And personally, I don’t think the Lacunar infarct at the paramedian region of mid brain or thalamus is incidental nor silent. They often show obvious clinical symptom.
It’s just my personal opinion.
KyotoAR Veterinary neurology center, Takashi Uemura (DVM)
Thank you for your comments. I’ll change the wording above to be clearer. The sentence about the most common site being thalamic/midbrain was still referring to human medicine. That being said, in my 20 years of practice, I’ve seen more thalamic lacunar infarcts than caudate, but it’s interesting to hear your perspective! I agree that thalamic infarcts may (often?) show clinical signs and in my experience, it’s usually vestibular dysfunction. The MRI image above was a dog whose (presumed) thalamic lacunar infarct was clinically silent. I would love to see a large study that looked into lacunar infarcts more specifically.
Thank you very much for your quick reply. I’m so glad to exchange our thought.
I’ve just seen a patient with multiple lacunar infarcts at the procencephalon and a relatively big cerebellar infarct lesion as well.
He was 10 yrs old castrated chihuahua with a history of having heart surgery 6 months ago.
He had lacunar infarcts at paramedian portion of thalamus, coudate, singulate and left cerebellar hemisphere.
best regards,
Takashi Uemura