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The cerebellopontine angle syndrome is a distinct neurological syndrome of deficits that can arise due to the closeness of the cerebellopontine angle to specific cranial nerves. [1] Indications include unilateral hearing loss (85%), speech impediments, disequilibrium, tremors or other loss of motor control.
The cerebellopontine angle (CPA) (Latin: angulus cerebellopontinus) is located between the cerebellum and the pons. [1] The cerebellopontine angle is the site of the cerebellopontine angle cistern. [2] The cerebellopontine angle is also the site of a set of neurological disorders known as the cerebellopontine angle syndrome.
The study also found that the two sets of patients shared a similar age at onset, male to female ratios, and similar affected side. [26] In another study of 2050 patients who had presented with hemifacial spasm between 1986 and 2009, only nine cases were caused by a cerebellopontine angle syndrome, an incidence of 0.44%. [11]
Central pontine myelinolysis; Other names: Osmotic demyelination syndrome, central pontine demyelination: Axial fat-saturated T2-weighted image showing hyperintensity in the pons with sparing of the peripheral fibers, the patient was an alcoholic admitted with a serum Na of 101 treated with hypertonic saline, he was left with quadriparesis, dysarthria, and altered mental status
Sagittal images showing different degrees of hypoplasia (incomplete formation) of the pons and vermis (parts of the brain). Numbers represent different patients. Figure 9a shows an MRI of a patient at age 4 months and figure 9b shows the same patient at age 11 years. There is no progression of the lesions between successive MRI in patient 9.
The 2006 study by Stangerup et al. looked at the data for 1,818 patients (1976–2004) comparing intrameatal VS (in the auditory canal) and extrameatal VS (into the cerebellopontine angle). Remarkably, for the 729 patients having observation management via interval MRI scans, tumor growth was observed in only 17% of intrameatal tumors and 29% ...
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The junction of pons, medulla oblongata, and cerebellum forms the cerebellopontine angle. [6] The superior pontine sulcus separates the pons from the midbrain. [7] Posteriorly, the pons curves on either side into a middle cerebellar peduncle. [4] A cross-section of the pons divides it into a ventral and a dorsal area.