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cerebellar mutism

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https://www.readbyqxmd.com/read/29180084/cerebellar-mutism-syndrome-and-other-complications-following-surgery-in-the-posterior-fossa-in-adults-a-prospective-study
#1
Morten Wibroe, Per Rochat, Marianne Juhler
BACKGROUND: The Cerebellar Mutism Syndrome (CMS) is rarely described in adults; however data on self-assessed linguistic complications after posterior fossa surgery do not exist. METHODS: Through a prospective single-centre study data on 59 tumour operations in the posterior fossa data was collected preoperatively as well as 1 week and 1 month postoperatively. Data on self-assessed problems in five CMS-related domains, CMS-scores, neurology as well as surgical procedure and complications were obtained...
November 24, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29067507/non-surgical-transient-cerebellar-mutism-case-report-and-systematic-review
#2
Serge Makarenko, Navneet Singh, Patrick J McDonald
INTRODUCTION: Transient cerebellar mutism has been well recognized in literature as a complication of posterior fossa tumor resection. It is marked by profound impairment of fluency, articulation, and modulation of speech, irritability and autistic features and typically resolves within days to months. Underlying pathophysiology is debated, but currently unknown. METHODS: We present a case of a child with similar clinical findings after cerebellitis, demonstration of diffuse cerebellar signal changes, swelling, and protruding tonsils at the level of foramen magnum...
October 24, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28987056/the-role-of-the-cerebellum-in-the-regulation-of-language-functions
#3
REVIEW
Anna Starowicz-Filip, Adrian Andrzej Chrobak, Marek Moskała, Roger M Krzyżewski, Borys Kwinta, Stanisław Kwiatkowski, Olga Milczarek, Anna Rajtar-Zembaty, Dorota Przewoźnik
The present paper is a review of studies on the role of the cerebellum in the regulation of language functions. This brain structure until recently associated chiefly with motor skills, visual-motor coordination and balance, proves to be significant also for cognitive functioning. With regard to language functions, studies show that the cerebellum determines verbal fluency (both semantic and formal) expressive and receptive grammar processing, the ability to identify and correct language mistakes, and writing skills...
August 29, 2017: Psychiatria Polska
https://www.readbyqxmd.com/read/28637445/cerebellar-mutism-syndrome-in-children-with-brain-tumours-of-the-posterior-fossa
#4
Morten Wibroe, Johan Cappelen, Charlotte Castor, Niels Clausen, Pernilla Grillner, Thora Gudrunardottir, Ramneek Gupta, Bengt Gustavsson, Mats Heyman, Stefan Holm, Atte Karppinen, Camilla Klausen, Tuula Lönnqvist, René Mathiasen, Pelle Nilsson, Karsten Nysom, Karin Persson, Olof Rask, Kjeld Schmiegelow, Astrid Sehested, Harald Thomassen, Ingrid Tonning-Olsson, Barbara Zetterqvist, Marianne Juhler
BACKGROUND: Central nervous system tumours constitute 25% of all childhood cancers; more than half are located in the posterior fossa and surgery is usually part of therapy. One of the most disabling late effects of posterior fossa tumour surgery is the cerebellar mutism syndrome (CMS) which has been reported in up to 39% of the patients but the exact incidence is uncertain since milder cases may be unrecognized. Recovery is usually incomplete. Reported risk factors are tumour type, midline location and brainstem involvement, but the exact aetiology, surgical and other risk factors, the clinical course and strategies for prevention and treatment are yet to be determined...
June 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28527006/analysis-of-surgical-and-mri-factors-associated-with-cerebellar-mutism
#5
Anjali Sergeant, Michelle Masayo Kameda-Smith, Branavan Manoranjan, Brij Karmur, JoAnn Duckworth, Tina Petrelli, Katey Savage, Olufemi Ajani, Blake Yarascavitch, M Constantine Samaan, Katrin Scheinemann, Cheryl Alyman, Saleh Almenawer, Forough Farrokhyar, Adam J Fleming, Sheila Kumari Singh, Nina Stein
The surgical risk factors and neuro-imaging characteristics associated with cerebellar mutism (CM) remain unclear and require further investigation. Therefore, we aimed to examine surgical and MRI findings associated with CM in children following posterior fossa tumor resection. Using our data registry, we retrospectively collected data from pediatric patients who acquired CM and were matched based on age and pathology type with individuals who did not acquire CM after posterior fossa surgery. The strength of association between surgical and MRI variables and CM were examined using odds ratios (ORs) and corresponding 95% confidence intervals (CIs)...
July 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28498095/risk-factors-for-development-of-postoperative-cerebellar-mutism-syndrome-in-children-after-medulloblastoma-surgery
#6
San Y C V Pols, Marie Lise C van Veelen, Femke K Aarsen, Antonia Gonzalez Candel, Coriene E Catsman-Berrevoets
OBJECTIVE Postoperative cerebellar mutism syndrome (pCMS) occurs in 7%-50% of children after cerebellar tumor surgery. Typical features include a latent onset of 1-2 days after surgery, transient mutism, emotional lability, and a wide variety of motor and neurobehavioral abnormalities. Sequelae of this syndrome usually persist long term. The principal causal factor is bilateral surgical damage (regardless of tumor location) to any component of the proximal efferent cerebellar pathway, which leads to temporary dysfunction of cerebral cortical regions as a result of diaschisis...
July 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28497710/the-complex-diagnostic-challenge-in-children-with-non-central-nervous-system-cancer-and-cerebellar-mutism
#7
Kathleen Helton, Amy L Patterson, Raja B Khan, Zsila Sadighi
Multiple etiologies should be considered in the differential diagnosis of immunocompromised patients with non-central nervous system cancer and viral infections who develop mutism. Acute cerebellitis, caused by infections or by neurotoxicity resulting from chemotherapy; paraneoplastic cerebellar degeneration; atypical posterior reversible encephalopathy syndrome; and acute disseminated encephalomyelitis may all cause mutism in such patients. This condition warrants prompt recognition and may require treatment with immunotherapy, as it may be an immune-mediated process...
January 1, 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28490165/remote-cerebellar-hemorrhage-presenting-with-cerebellar-mutism-after-spinal-surgery-an-unusual-case-report
#8
Halil Murat Sen, Mustafa Guven, Adem Bozkurt Aras, Murat Cosar
Dural injury during spinal surgery can subsequently give rise to a remote cerebellar hemorrhage (RCH). Although the incidence of such injury is low, the resulting hemorrhage can be life threatening. The mechanism underlying the formation of the hemorrhage is not known, but it is mostly thought to develop after venous infarction. Cerebellar mutism (CM) is a frequent complication of posterior fossa operations in children, but it is rarely seen in adults. The development of CM after an RCH has not been described...
May 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28402042/mm1-type-sporadic-creutzfeldt-jakob-disease-with-1-month-total-disease-duration-and-early-pathologic-indicators
#9
Yasushi Iwasaki, Hiroko Kato, Tetsuo Ando, Maya Mimuro, Tetsuyuki Kitamoto, Mari Yoshida
A 62-year-old man presented with abnormal behavior and cognitive impairment. Diffusion-weighted images (DWI) obtained on MRI showed extensive hyperintense regions in the cerebral cortex and striatum. Myoclonus was recognized, and the patient died 1 month after the onset; his condition did not reach the akinetic mutism state. The brain weighed 1300 g and showed no apparent atrophy. Extensive spongiform changes were observed in the cerebral neocortex, striatum, thalamus and cerebellar cortex, but gliosis was mild or absent...
October 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/28175427/126%C3%A2-anatomy-of-cerebellar-mutism-reduced-fractional-anisotropy-in-the-superior-cerebellar-peduncle
#10
Sean D McEvoy, Amy Lee, Jeffrey G Ojemann, Christine MacDonald
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28118304/cerebellar-mutism-syndrome-cause-and-rehabilitation
#11
Coriene E Catsman-Berrevoets
PURPOSE OF REVIEW: Mutism of cerebellar origin may occur in the context of various causes but is most frequent in children after resection of a large midline cerebellar tumour. In this review, the endeavour to reach a consensus on name and definition of postoperative mutism of cerebellar origin and associated symptoms is highlighted. In addition, progress in understanding of cause and risk factors for the syndrome is discussed as well as the rehabilitation issues. RECENT FINDINGS: Consensus on the term cerebellar mutism syndrome (CMS) has been reached...
April 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28118217/postoperative-pediatric-cerebellar-mutism-after-posterior-fossa-surgery-a-case-report
#12
Jerry Y Chao, Che Liu, Naveen Shetty, Ushma Shah
Cerebellar mutism syndrome (CMS) is a common complication of posterior fossa surgery that can confound the postanesthetic examination and have long-lasting impacts. There is confusion surrounding its precise description, diagnostic features, and associated morbidity. Here, we discuss the most up-to-date knowledge of CMS drawing from a clinical case in the context of 3 new reports: (1) an international consensus paper presenting a new proposed working definition by the Iceland Delphi Group, (2) a knowledge update by Gadgil et al, (3) and a review of neuroimaging-based data elucidating the etiology of CMS by Patay...
April 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28074148/apraxia-of-speech-and-cerebellar-mutism-syndrome-a-case-report
#13
E De Witte, I Wilssens, D De Surgeloose, G Dua, M Moens, J Verhoeven, M Manto, P Mariën
BACKGROUND: Cerebellar mutism syndrome (CMS) or posterior fossa syndrome (PFS) consists of a constellation of neuropsychiatric, neuropsychological and neurogenic speech and language deficits. It is most commonly observed in children after posterior fossa tumor surgery. The most prominent feature of CMS is mutism, which generally starts after a few days after the operation, has a limited duration and is typically followed by motor speech deficits. However, the core speech disorder subserving CMS is still unclear...
2017: Cerebellum & Ataxias
https://www.readbyqxmd.com/read/28050719/sudden-benzodiazepine-induced-resolution-of-post-operative-pediatric-cerebellar-mutism-syndrome-a-clinical-spect-study
#14
Francesco Nicita, Milena Paiano, Mauro Liberatore, Alberto Spalice, Paola Papoff, Mariacristina Ullo, Manolo Piccirilli, Anna Clerico, Amalia Schiavetti
Post-operative pediatric cerebellar mutism syndrome (PPCMS) is a clinical syndrome arising from cerebellar injury and characterized by absence of speech and other possible symptoms and signs. Rare reports described some benefit after administration of dopamine agonist therapy, but no treatment has proven efficacy. In this paper, we report on the dramatic, sudden resolution of PPCMS induced by midazolam administration in a boy who underwent posterior fossa surgery for choroid plexus papilloma of the fourth ventricle...
March 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28000909/-language-disorders-in-acute-cerebellitis-beyond-dysarthria
#15
D Barragan-Martinez, N Nunez-Enamorado, M Berenguer-Potenciano, N Villora-Morcillo, A Martinez de Aragon, A Camacho-Salas
INTRODUCTION: Acute cerebellitis is one of the main causes of cerebellar syndrome in infancy. Among the wide range of manifestations, headache and ataxia being the most predominant, we can find other less frequent, although nonetheless interesting, ones, such as language disorders, which go beyond the well-known cerebellar dysarthria. The different combinations in which the symptoms can appear, especially when not accompanied by ataxia, make the condition a real challenge for the clinician...
January 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/27942479/posterior-fossa-syndrome-a-narrative-review
#16
REVIEW
Salima S Wahab, Samantha Hettige, Kshtij Mankad, Kristian Aquilina
Posterior fossa syndrome (PFS), or cerebellar mutism syndrome (CMS), is a collection of neurological symptoms that occur following surgical resection of a posterior fossa tumour, and is characterised by either a reduction or an absence of speech. Some authors suggest that CM is only one symptom of the CMS complex that also includes ataxia, hypotonia and irritability as well as cranial nerve deficits, neurobehavioral changes and urinary retention or incontinence. It is seen almost exclusively in children. In 1985 Rekate et al...
October 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27942473/post-operative-pediatric-cerebellar-mutism-syndrome-and-its-association-with-hypertrophic-olivary-degeneration
#17
Shivaram Avula, Michaela Spiteri, Ram Kumar, Emma Lewis, Srikrishna Harave, David Windridge, Chan Ong, Barry Pizer
BACKGROUND: The dentato-thalamo-cortical (DTC) pathway is recognized as the anatomical substrate for postoperative pediatric cerebellar mutism (POPCMS), a well-recognized complication affecting up to 31% of children undergoing posterior fossa brain tumour resection. The proximal structures of the DTC pathway also form a segment of the Guillain and Mollaret triangle, a neural network which when disrupted causes hypertrophic olivary degeneration (HOD) of the inferior olivary nucleus (ION)...
October 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27785688/dti-fiber-tractography-of-cerebro-cerebellar-pathways-and-clinical-evaluation-of-ataxia-in-childhood-posterior-fossa-tumor-survivors
#18
Myung Eun Oh, Pablo Hernáiz Driever, Rajiv K Khajuria, Stefan Mark Rueckriegel, Elisabeth Koustenis, Harald Bruhn, Ulrich-Wilhelm Thomale
Pediatric posterior fossa (PF) tumor survivors experience long-term motor deficits. Specific cerebrocerebellar connections may be involved in incidence and severity of motor dysfunction. We examined the relationship between long-term ataxia as well as fine motor function and alteration of differential cerebellar efferent and afferent pathways using diffusion tensor imaging (DTI) and tractography. DTI-based tractography was performed in 19 patients (10 pilocytic astrocytoma (PA) and 9 medulloblastoma patients (MB)) and 20 healthy peers...
January 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/27778210/surgical-resection-of-fourth-ventricular-ependymomas-case-series-and-technical-nuances
#19
REVIEW
Ethan A Winkler, Harjus Birk, Michael Safaee, John K Yue, John F Burke, Jennifer A Viner, Melike Pekmezci, Arie Perry, Manish K Aghi, Mitchel S Berger, Michael W McDermott
Ependymomas are rare neuroepithelial tumors which may arise anywhere along the ventricular system. Tumors arising in the fourth ventricle present unique challenges. Complete tumor resection favors prolonged survival, but may result in inadvertent injury of surrounding neural structures-such as cranial nerve (CN) nuclei. Here, our institutional experience with surgical resection of fourth ventricular ependymomas is described. A single institution, retrospective analysis of consecutive case series of adult surgically resected fourth ventricular ependymomas with the bilateral telovelar approach...
November 2016: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/27507873/intellectual-outcome-in-molecular-subgroups-of-medulloblastoma
#20
MULTICENTER STUDY
Iska Moxon-Emre, Michael D Taylor, Eric Bouffet, Kristina Hardy, Cynthia J Campen, David Malkin, Cynthia Hawkins, Normand Laperriere, Vijay Ramaswamy, Ute Bartels, Nadia Scantlebury, Laura Janzen, Nicole Law, Karin S Walsh, Donald J Mabbott
Purpose To evaluate intellectual functioning and the implications of limiting radiation exposure in the four biologically distinct subgroups of medulloblastoma: wingless (WNT), sonic hedgehog (SHH), Group 3, and Group 4. Patients and Methods A total of 121 patients with medulloblastoma (n = 51, Group 4; n = 25, Group 3; n = 28, SHH; and n = 17, WNT), who were treated between 1991 and 2013 at the Hospital for Sick Children (Toronto, Ontario, Canada), Children's National Health System (Washington, DC), or the Lucile Packard Children's Hospital (Palo Alto, CA), had intellectual assessments...
December 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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