Topographic Analysis of Neurologic Symptoms in Brain Stem Diseases
In cases of large space-occupying or destructive lesions the topographic assignment of brain stem processes is easily made using cranial computerized tomography (CCT) or nuclear magnetic resonance. However, these technical tools often fail if the tissue alteration is small or does not contrast to the surrounding tissue. In these cases and when technical procedures cannot be performed the topographic assignment must be done only with the clinical examination. F.i. in Wernicke’s encephalopathy a positive CCT is an exception (Fig. 1 ). Usually the diagnosis is made by clinical examination.
KeywordsBrain Stem Medulla Oblongata Posterior Inferior Cerebellar Artery Oculomotor Nerve Cranial Computerize Tomography
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