Ischemic cerebrovascular disease (CVD) is a relatively common condition in dogs but infrequent in cats, with acute or peracute onset of non-progressive neurological signs. Cerebellar artery infarction appears to be very uncommon in cats, with only two cases reported affecting the rostral cerebellar artery (RCA). This study aims to report for the first time the neurological signs, magnetic resonance imaging (MRI) findings and outcome in three cats diagnosed with presumed caudal cerebellar artery (CCA) infarction. Unique presentation of vestibular signs associated with CCA in three cats and similarities between dogs and humans are discussed.
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http://dx.doi.org/10.3389/fvets.2018.00155 | DOI Listing |
J Neurosurg
December 2024
Departments of1Neurosurgery.
Objective: Periventricular anastomosis (PA), a recently recognized cause of hemorrhage in moyamoya disease, is reducible after bypass surgery. The timing of the reduction, however, remains poorly understood. The objectives of the present study were to demonstrate radiological reduction of PA occurring within 48 hours after surgery and to identify factors associated with reduction.
View Article and Find Full Text PDFSurg Radiol Anat
December 2024
Department of Neurosurgery, Saitama Sekishinkai Hospital, 2-37-20 Irumagawa, Sayama, Saitama, 350-1305, Japan.
Purpose: To describe a case in which a right replaced posterior cerebral artery (PCA) was associated with an ipsilateral superior cerebellar artery (SCA) type persistent trigeminal artery (PTA) variant.
Methods: A 53-year-old man who had been diagnosed with chronic dissection of the left vertebral artery (VA) 4 months previously underwent follow-up magnetic resonance (MR) angiography using a 3-Tesla scanner.
Results: MR angiography showed a slightly dilated left VA at the terminal segment without interval change.
Cureus
November 2024
Neurosurgery, University of Illinois College of Medicine Peoria, Peoria, USA.
Petroclival approaches remain challenging given abundant cranial nerves and vessels. Common trajectories include transsphenoidal, transoral, middle fossa-extradural, and posterior through the cerebellar peduncle. We report a unique intra-axial, intradural approach to the petroclival and cavernous sinus.
View Article and Find Full Text PDFNMC Case Rep J
December 2024
Department of Neurosurgery, Tokyo Medical and Dental University, Tokyo, Japan.
Hemifacial spasm (HFS) is a disorder that causes involuntary movements of the ipsilateral facial muscles because of vascular compression of the facial nerve. Microvascular decompression (MVD), a surgical procedure to detach the culprit vessel from the nerve is believed to be the most effective treatment for HFS. Nevertheless, in the rare case in which the vessel penetrates the nerve, positioning the vessel sufficiently far from the nerve is challenging.
View Article and Find Full Text PDFOper Neurosurg (Hagerstown)
December 2024
Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Background And Objectives: The intraosseous subarcuate loop (SL) is a unique variant of the anterior inferior cerebellar artery (AICA), where a loop of the artery is trapped in the petrous bone's subarcuate fossa (SF). Recognizing this variant is crucial for planning cerebellopontine angle (CPA) surgeries; however, data regarding its frequency and management vary in the published literature. A cohort from a single center was studied using MRI to assess its prevalence, and the findings were compared with the existing literature.
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