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Posterior fossa syndrome

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https://www.readbyqxmd.com/read/28522228/accessory-subscapularis-muscle%C3%A2-%C3%A2-a-forgotten-variation
#1
L A S Pires, C F C Souza, A R Teixeira, T F O Leite, M A Babinski, C A A Chagas
The quadrangular space is a space in the axilla bounded by the inferior margin of the teres minor muscle, the superior margin of the teres major muscle, the lateral margin of the long head of the triceps brachii muscle and the surgical neck of the humerus, medially. The axillary nerve (C5-C6) and the posterior circumflex humeral artery and veins pass through this space in order to supply their territories. The subscapularis muscle is situated into the scapular fossa and inserts itself into the lesser tubercle of the humerus, thus helping stabilize the shoulder joint...
May 15, 2017: Morphologie: Bulletin de L'Association des Anatomistes
https://www.readbyqxmd.com/read/28515557/dandy-walker-variant-with-schizophrenia-comorbidity-or-cerebellar-cognitive-affective-syndrome
#2
Pallavi Sinha, Jatin Tarwani, Pankaj Kumar, Amit Garg
Dandy-Walker complex (DWC) is a series of neurodevelopmental anomalies involving the posterior cranial fossa. The cerebellum has long been considered to be involved in motor coordination and balance. However, it has now been noted to play an important role in higher order cognitive, emotional, and behavioral functions. The concept of cerebellar cognitive affective syndrome, describing a coherent spectrum of cognitive and behavioral disturbances in adults following cerebellar damage has long been proposed. There have been reported cases of co-occurring psychiatric symptoms and DWC in literature, but the conclusive evidence for an association between the same remains lacking...
March 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28512124/use-of-propranolol-in-a-remote-region-of-rural-guatemala-to-treat-a-large-facial-infantile-haemangioma
#3
Vera Goldberg, Boris Martinez, Katia Cnop, Peter Rohloff
We present a female infant with a right-sided facial and neck haemangioma, from a remote, resource-poor community in rural Guatemala. She received first-line treatment, propranolol, with marked reduction in tumour size and erythema. Treatment was stopped after 35 weeks due to recurrent diarrhoea and sustained weight loss. Propranolol can be used to safely treat infants with haemangiomas in remote, rural communities if there is adequate follow-up, education and communication. Periocular haemangiomas should be treated promptly to avoid visual impairment...
May 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28488069/bobble-head-doll-syndrome-in-an-80-year-old-man-associated-with-a-giant-arachnoid-cyst-of-the-lamina-quadrigemina-treated-with-endoscopic-ventriculocystocisternotomy-and-cystoperitoneal-shunt
#4
Jorge Octavio Olvera-Castro, Hugo Morales-Briceño, Bayron Sandoval-Bonilla, David Gallardo-Ceja, Miguel Angel Venegas-Cruz, Eric Misael Estrada-Estrada, Marisol Contreras-Mota, Gerardo Guinto-Balanzar, Rabindranath Garcia-Lopez
Bobble-head doll syndrome (BHDS) is a rare entity, characterized by antero-posterior head bobbing, which is of the type "yes-yes." Less frequently, having a head movement of the type "no-no" is described. We report an unusual case of an 80-year-old man with a cystic mass of the lamina quadrigemina, extending to the posterior fossa. We conclude that ventriculocystocisternotomy associated with a cystoperitoneal shunt is an effective treatment for a symptomatic giant arachnoid cyst in the lamina quadrigemina.
May 9, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28468145/experiences-in-performing-posterior-calvarial-distraction
#5
Kevin McMillan, Mark Lloyd, Martin Evans, Nicholas White, Hiroshi Nishikawa, Desiderio Rodrigues, Melanie Sharp, Pete Noons, Guirish Solanki, Stephen Dover
The use of posterior calvarial distraction (PCD) for the management of craniosynostosis is well recognized. The advantages of using this technique include increased cranial volume, decreased intracranial pressure, relief of posterior fossa crowding, improved cerebrospinal fluid (CSF) circulation at the cranio-cervical junction with cessation, and possible resolution of syrinx.The authors retrospectively review their first 50 patients who have undergone PCD under the senior author's care in our unit.The demographics, diagnoses, intraoperative approach with techniques in distractor placement and outcomes of each patient were obtained through an electronic craniofacial database and written patient records...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28408631/asymmetric-meckel-cave-enlargement-a-potential-marker-of-phaces-syndrome
#6
J N Wright, V Wycoco
BACKGROUND AND PURPOSE: PHACES syndrome is a complex of morphologic abnormalities of unknown cause and includes posterior fossa abnormalities; head and neck infantile hemangiomas; arterial, cardiac, and eye anomalies; and sternal or abdominal wall defects. Accurate identification of the syndrome is important for optimal treatment. The purpose of this study was to investigate the incidence of asymmetric Meckel cave enlargement, a potential novel imaging marker, in a population of patients referred for evaluation of possible PHACES syndrome...
April 13, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28405869/long-term-neuropsychological-follow-up-of-young-children-with-medulloblastoma-treated-with-sequential-high-dose-chemotherapy-and-irradiation-sparing-approach
#7
Taryn B Fay-McClymont, Danielle M Ploetz, Don Mabbott, Karin Walsh, Amy Smith, Susan N Chi, Elizabeth Wells, Jennifer Madden, Ashley Margol, Jonathan Finlay, Mark W Kieran, Douglas Strother, Girish Dhall, Roger J Packer, Nicholas K Foreman, E Bouffet, Lucie Lafay-Cousin
High-dose chemotherapy (HDC) strategies were developed in brain tumor protocols for young children to prevent neuropsychological (NP) impairments associated with radiotherapy. However, comprehensive NP evaluations of these children treated with such strategies remain limited. We examined the long-term neurocognitive outcomes of young children (<6 years) with medulloblastoma, treated similarly, with a HDC strategy "according to" the chemotherapy regimen of the protocol CCG 99703. This retrospective study included young children less than 6 years of age at diagnosis of medulloblastoma treated from 1998 to 2011 at 7 North American institutions...
April 12, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28397227/-prenatal-diagnosis-and-follow-up-of-a-case-with-lowe-syndrome-caused-by-interstitial-deletion-of-xq25-26
#8
Xiangyu Zhu, Jie Li, Tong Ru, Ruifang Zhu, Chenyan Dai, Wanjun Wang, Yali Hu
OBJECTIVE: To report on a sporadic case of Lowe syndrome diagnosed prenatally with ultrasound examination and genetic testing. METHODS: Detailed sonographic fetal screening was performed by an experienced sonographer at 32 weeks of gestation. Fetal cranial magnetic resonance imaging (MRI) was applied to detect potential brain abnormality. Chromosomal microarray analysis (CMA) was conducted on amniotic fluid sample from the fetus and peripheral blood sample from the mother...
April 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28337694/the-posterior-fossa-and-foreign-accent-syndrome-report-of-two-new-cases-and-review-of-the-literature
#9
Stefanie Keulen, Peter Mariën, Kim van Dun, Roelien Bastiaanse, Mario Manto, Jo Verhoeven
Foreign accent syndrome is a rare motor speech disorder that causes patients to speak their language with a non-native accent. In the neurogenic condition, the disorder develops after lesions in the language dominant hemisphere, often affecting Broca's area, the insula, the supplementary motor area and the primary motor cortex. Here, we present two new cases of FAS after posterior fossa lesions. The first case is a 44-year-old, right-handed, Dutch-speaking man who suffered motor speech disturbances and a left hemiplegia after a pontine infarction...
March 23, 2017: Cerebellum
https://www.readbyqxmd.com/read/28318729/acute-cerebellitis-in-paediatric-patients-our-experience
#10
J P García-Iñiguez, F J López-Pisón, P Madurga Revilla, I Montejo Gañán, M Domínguez Cajal, L Monge Galindo, S B Sánchez Marco, M C García Jiménez
INTRODUCTION: Acute cerebellitis is a rare inflammatory disease with a highly variable clinical course that ranges from benign self-limiting symptoms to a fulminant presentation associated with a high risk of death due to compression of the posterior fossa, acute hydrocephalus, and intracranial hypertension. METHODS: We reviewed clinical, laboratory, and radiological findings from children diagnosed with acute cerebellitis between May 2007 and November 2016. We analysed treatments and clinical and radiological progression...
March 15, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28289621/posterior-interosseous-nerve-syndrome-resulting-from-parosteal-lipoma-of-the-proximal-radius-an-elusive-diagnosis-yet-excellent-outcome
#11
Muhammad Saaiq, Saad Siddiui
A 53-year old man presented with seven months history of progressive weakness of extension of the digits and the thumb of the left hand. The wrist extension was normal and sensations were also intact. The patient had also been noticing a progressively enlarging lump on the lower anterolateral aspect of the left antecubital fossa for the last three months. Physical examination andelectro diagnostic studies revealed motor deficit along the posterior interosseous nerve (PIN) distribution with preservation of sensations...
January 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28275575/retraction-to-posterior-fossa-syndrome-a-narrative-review
#12
(no author information available yet)
[This retracts the article DOI: 10.21037/qims.2016.10.12.].
February 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28202821/-pres-posterior-reversible-encephalopathy-syndrome
#13
Kouichirou Okamoto, Kunio Motohashi, Hidemoto Fujiwara, Tomohiko Ishihara, Itaru Ninomiya, Osamu Onodera, Yukihiko Fujii
Posterior reversible encephalopathy syndrome (PRES) is suggested in patients with acute neurological symptoms in the appropriate clinical context, including acute hypertension, blood pressure fluctuations, renal failure, blood transfusion, immunosuppression, autoimmune disorders, and eclampsia. PRES is a clinical syndrome, and refers to a disorder with reversible subcortical vasogenic brain edema caused by endothelial dysfunction, predominantly involving the bilateral parieto-occipital regions. Although the clinical course and prognosis are favorable in most cases, intracranial hemorrhage and/or restricted diffusion similar to acute infarction could be seen in some lesions on brain magnetic resonance imaging (MRI)...
February 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28137902/lhermitte-duclos-disease-associated-to-cowden-syndrome-de-novo-diagnosis-and-management-of-these-extremely-rare-syndromes-in-a-patient
#14
Ivo Gama, Leonor Almeida
A 36-year-old woman, with history of cutaneous papilomatosis and thyroid carcinoma presented with headache, transitory visual blurring and nausea. Funduscopy showed papilloedema. MRI showed a tumour of the right cerebellar hemisphere with a striated, tigroid pattern, typical of Lhermitte-Duclos disease (LDD). Significant clinical and perimetric improvements were noted after surgery and the follow-up did not reveal recurrences of the tumour. LDD is an extremely rare differential diagnosis of posterior fossa tumours...
January 30, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28134637/experiences-in-performing-posterior-calvarial-distraction
#15
Kevin McMillan, Mark Lloyd, Martin Evans, Nicholas White, Hiroshi Nishikawa, Desiderio Rodrigues, Melanie Sharp, Pete Noons, Guirish Solanki, Stephen Dover
The use of posterior calvarial distraction (PCD) for the management of craniosynostosis is well recognized. The advantages of using this technique include increased cranial volume, decreased intracranial pressure, relief of posterior fossa crowding, improved cerebrospinal fluid (CSF) circulation at the cranio-cervical junction with cessation, and possible resolution of syrinx.The authors retrospectively review their first 50 patients who have undergone PCD under the senior author's care in our unit.The demographics, diagnoses, intraoperative approach with techniques in distractor placement and outcomes of each patient were obtained through an electronic craniofacial database and written patient records...
January 27, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28118217/postoperative-pediatric-cerebellar-mutism-after-posterior-fossa-surgery-a-case-report
#16
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/28087721/joubert-syndrome-neuroimaging-findings-in-110-patients-in-correlation-with-cognitive-function-and-genetic-cause
#17
Andrea Poretti, Joseph Snow, Angela C Summers, Aylin Tekes, Thierry A G M Huisman, Nafi Aygun, Kathryn A Carson, Dan Doherty, Melissa A Parisi, Camilo Toro, Deniz Yildirimli, Meghana Vemulapalli, Jim C Mullikin, Andrew R Cullinane, Thierry Vilboux, William A Gahl, Meral Gunay-Aygun
BACKGROUND: Joubert syndrome is a clinically and genetically heterogeneous ciliopathy. Neuroimaging findings have not been systematically evaluated in a large cohort of patients with Joubert syndrome in correlation with molecular genetic cause and cognitive function. METHODS: Brain MRI of 110 patients with Joubert syndrome was included in this study. A comprehensive evaluation of brain MRI studies for infratentorial and supratentorial morphological abnormalities was performed...
January 13, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28074148/apraxia-of-speech-and-cerebellar-mutism-syndrome-a-case-report
#18
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
#19
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/27999708/-hemangioblastomas-of-the-posterior-fossa-report-of-16-cases-and-literature-review
#20
Alvaro Campero, Pablo Ajler, Julio Fernandez, Gustavo Isolan, Martin Paiz, Conrado Rivadeneira
OBJECTIVE: The aim of this study is to describe the results of 16 patients with posterior fossa hemangioblastoma, treated with microsurgical techniques. METHOD: Between June 2005 and December 2015, 16 patients with posterior fossa hemangioblastoma were operated on, underwent microsurgical resection. The sex, age, imaging findings, symptoms, and postoperative results were analyzed. RESULTS: Eleven patients were men and 5 were women. The average age of the patients was 44 years...
2016: Surgical Neurology International
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