1990
DOI: 10.1159/000120499
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Cerebellar Mutism after Posterior Fossa Surgery

Abstract: A large midline posterior fossa medulluloblastoma and a cerebellar arteriovenous malformation with associated clot were moved with postoperative mutism. Mutism was immediate and resolved into an ataxic dysarthria with residual mild dysarthria at 3 months. The literature is reviewed, and the clinicopathological and neurophysiological data of cerebellar function in speech are discussed. Acute injury to the midportion of the cerebellum with or without dentate nuclear involvement can cause a spectrum of speech dis… Show more

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Cited by 113 publications
(39 citation statements)
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“…This finding has been reported in several studies, either after resection of posterior fossa tumors [1][2][3][4][5][6][7][8][9][10], with arteriovenous malformation (AVM) [8,9], or with trauma [11]. It has been difficult to estimate the incidence of cerebellar mutism, and few studies have attempted to do so.…”
Section: Introductionmentioning
confidence: 74%
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“…This finding has been reported in several studies, either after resection of posterior fossa tumors [1][2][3][4][5][6][7][8][9][10], with arteriovenous malformation (AVM) [8,9], or with trauma [11]. It has been difficult to estimate the incidence of cerebellar mutism, and few studies have attempted to do so.…”
Section: Introductionmentioning
confidence: 74%
“…Mutism is described as the inability of a cognitively alert patient with the ability to process speech without evidence of apraxia to produce verbal output [4]. It is distinct from aphasia, in which there are typical cerebral cortical lesions [12].…”
Section: Discussionmentioning
confidence: 99%
“…No mutismo cerebelar, segundo alguns autores, não ocorre lesão das vias motoras longas, bem como comprometimento nuclear ou supranuclear de nervos cranianos 11,13 . De fato, na bibliografia compulsada, vários autores não mencionam o acometimento de nervos bulbares associado ao mutismo cerebelar 1,2,8,12,23,24 .…”
Section: Discussionunclassified
“…No entanto, observa-se mutismo também em adultos operados de tumores cerebelares hemisféricos 23,30 , em pacientes com afecções não neoplásicas 5,10 ou com malformação arteriovenosa em ambos os hemisférios cerebelares 11 . Na paciente APS, de nossa casuística, o tumor achava-se localizado na linha média do cerebelo e no caso da paciente TRC, no hemisfério cerebelar direito, invadindo, porém, a linha média.…”
Section: Discussionunclassified
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