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Posterior fossa syndrome

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https://www.readbyqxmd.com/read/29680282/hemifacial-spasm-associated-with-other-cranial-nerve-syndromes-literature-review
#1
M Sindou, P Mercier
Hyperactive dysfunction may affect all cranial nerves in the posterior fossa. According to literature review and personal experience, hemifacial spasm was found to be associated not only with the most frequent cranial nerve syndromes, namely: trigeminal neuralgia, vago-glossopharyngeal neuralgia or VIIIth nerve disturbances manifested by vertigo, tinnitus, hearing decrease, but also with rarer syndromes like geniculate neuralgia, masticatory spasm etc. Also, a number of publications have pointed out the relatively high incidence of the coexistence of hemifacial spasm and systemic blood hypertension; both can be cured by vascular decompression of the ventrolateral aspect of the medulla and IX-Xth route entry zone (REZ) together with the facial REZ...
April 18, 2018: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29678713/posterior-fossa-epidural-hematomas-a-rare-but-serious-complication-of-occipito-cervical-fusion-surgery
#2
Chang Rong Zhu, Jianhua Wang, Dai Jianqiang, Kun Chen, Xia Hong
BACKGROUND: Posterior occipito-cervical fusion surgery is a commonly used surgical method to treat various craniovertebral junction pathologies. Though it is an effective method, there also have been some reports about complications of occipito-cervical fusion. However, there have been no reports about posterior fossa epidural hematomas after occipito-cervical fusion. CASE DESCRIPTION: A 44-year-old female was referred to our Hospital with a 6-month history of neck pain and numbness limbs for 2 months...
April 17, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29675068/cerebellar-mutism-syndrome-following-midline-posterior-fossa-tumor-resection-in-children-an-institutional-experience
#3
Nand Kishore Gora, Ashok Gupta, Virendra Deo Sinha
Aim: Cerebellar mutism (CM) syndrome is a well-known and annoying complication of posterior fossa surgery in the pediatric age group. Risk factors such as the type of tumor, size, involvement of posterior fossa structures and hydrocephalus, and postoperative cerebellar swelling for CM were investigated in this study. Materials and Methods: A consecutive series of 33 children with midline posterior fossa tumors were operated at the SMS Medical College and Hospital, Department of Neurosurgery, Jaipur India, between September 2015 and December 2016...
October 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/29660028/reoperation-for-medulloblastoma-prior-to-adjuvant-therapy
#4
Prayash Patel, David Wallace, Frederick A Boop, Brandy Vaughn, Giles W Robinson, Amar Gajjar, Paul Klimo
BACKGROUND: Surgery remains an integral part of the treatment of medulloblastoma. We present our experience with repeat surgery for this tumor before initiation of adjuvant therapy. OBJECTIVE: To report what was found intraoperatively and where at time of second-look surgery and detail any postoperative events or readmissions within 90 days of surgery. METHODS: Two separate institutional databases were queried to identify patients who underwent repeat resection of suspected residual medulloblastoma from January 2003 to January 2017...
April 11, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29623858/cognitive-rehabilitation-of-cerebellar-deficits
#5
Hiroshi Mitoma, Peter Marien, Kim van Dun, Frank Van Overwalle, Mario Manto
During the past 3 decades numerous neurophysiological, neuroimaging, experimental and clinical studies have evidenced a crucial role for the cerebellum in cognitive, affective and behavioral functions. As a result of the acknowledged modulatory role of the cerebellum upon remote structures such as the cerebral cortex, cerebellar injury may give rise to a constellation of behavioral, affective and cognitive symptoms (Schmahmann's Syndrome). In sharp contrast to the wide range of therapeutic interventions to treat cognitive and affective disorders following cerebral cortical lesions and despite the consequences of Schmahmann's syndrome upon daily life activities, the literature is surprisingly only scantly documented with studies investigating the impact of cognitive therapies on cerebellar induced cognitive and affective disorders...
April 3, 2018: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/29602606/a-surgical-strategy-to-prevent-delayed-epidural-hematoma-after-posterior-fossa-surgery-using-lateral-suboccipital-retrosigmoid-approach
#6
Seunghoon Lee, Sang-Ku Park, Byung-Euk Joo, Jeong-A Lee, Doo-Sik Kong, Kwan Park
Although non-traumatic postoperative delayed epidural hematoma (EDH) after posterior fossa surgery is rare, measures to prevent it need to be pursued due to its catastrophic results. In this report, we describe a surgical strategy to prevent delayed EDH after posterior fossa surgery. Key dural tacking sutures were performed at the medial and cephalic margin of the dura. We have performed key dural tacking sutures on 454 patients with neurovascular compression syndrome during microvascular decompression surgeries since April 2016, and no hemorrhagic complication, including delayed EDH, occurred...
March 27, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29560948/-the-case-of-completed-pregnancy-of-the-patient-with-dandy-walker-malformation
#7
E V Beliaeva, L V Lapshina, E V Shaposhnikova, A A Molgachev
Dandy-Walker malformation is a rare disease of the central nervous system pathology (congenital malformations of the fossa cranii posterior). The key features of this syndrome are an enlargement of the fourth ventricle; complete absence of the cerebellar vermis, the posterior midline area of cerebellar cortex responsible for coordination of the axial musculature; and cyst formation near the internal base of the skull. Pregnant patients with Dandy-Walker malformation are at high risk and are managed by multidisciplinary teams including neurologists and obstetricians...
2018: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/29552506/post-cam-clunk-syndrome-after-posterior-stabilized-total-knee-arthroplasty-as-a-sign-of-early-femoral-component-loosening
#8
Akihiko Toda, Katsumasa Tei, Tomoyuki Matsumoto, Kazunari Ishida, Hiroshi Sasaki, Kazuki Kodato, Yuichiro Nishizawa, Shinsuke Kirizuki, Nao Shibanuma, Hiroomi Tateishi, Ryosuke Kuroda, Masahiro Kurosaka
Soft tissue impingements are well-known complications of total knee arthroplasty. The impingements usually occur between the medial or lateral femoral component and tibial insert, and between the patella and femoral components. We report a rare case of impingement of the soft tissue between the femoral intercondylar fossa and post of the polyethylene insert, which caused pain and walking disability. After the surgery for the arthroscopic removal of the soft tissue, the symptoms disappeared. However, prosthetic loosening of the femur occurred several months after the arthroscopic surgery, requiring revision surgery...
January 2018: Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology
https://www.readbyqxmd.com/read/29543223/-facial-nerve-injury-in-neurosurgery-a-rehabilitation-potential-of-botulinum-therapy
#9
M A Akulov, O R Orlova, T V Tabashnikova, V V Karnaukhov, A S Orlova
Surgical treatment of posterior cranial fossa and cerebellopontine angle tumors is associated with a risk of facial nerve dysfunction. The causes for facial muscle paresis include nerve compression by the tumor, destruction of the nerve structure by the tumor growing from nerve fibers, nerve injury during surgical removal of the tumor, etc. The first 3 months after facial nerve injury are a potential therapeutic window for the use of botulinum toxin type A (BTA). During this period, the drug is introduced both in the healthy side to improve the facial symmetry at rest and during mimetic movements and in the affected side to induce drug-induced ptosis...
2018: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/29527392/adult-hemispheric-cerebellar-medulloblastoma
#10
Felipe de Oliveira, José Alberto Landeiro, Igor de Castro
Background: Medulloblastoma is an embryonal neoplasm and accounts for 1% of all adult intracranial tumors. It is associated with many familiar cancer syndromes, but there is no known cause for medulloblastoma. Many studies have documented differences between childhood and adult medulloblastomas in terms of location, proliferation, and apoptotic indices. There are four histological groups - classic and the variant forms (desmoplastic/nodular, anaplasic, and large cell). There are four major subgroups according to molecular configuration: wingless (WNT), sonic hedgehog (SHH), group 3, and group 4 with differences between them according to prognostic outcomes...
2018: Surgical Neurology International
https://www.readbyqxmd.com/read/29520643/quantitative-evaluation-of-facial-hypoplasia-and-airway-obstruction-in-infants-with-syndromic-craniosynostosis-relationship-with-skull-base-and-splanchnocranium-sutural-pattern
#11
Rosalinda Calandrelli, Fabio Pilato, Luca Massimi, Marco Panfili, Gabriella D'Apolito, Simona Gaudino, Cesare Colosimo
PURPOSE: Craniosynostostic syndromes are due to multisuture synostoses and affect the entire craniofacial skeleton. This study analyzed the facial complex and airways to quantify the relationship between insufficient facial growth, airways obstruction, and the sutural pattern of the splanchnocranium and cranial fossae. METHODS: Preoperative high-resolution CT images in 19 infants with syndromic craniosynostosis were quantitatively analyzed. Because all children showed involvement of minor sutures/synchondroses coursing in the posterior cranial fossa, they were divided into three groups according to the synostotic involvement of "minor" sutures/synchondroses coursing in anterior (ACF) and middle (MCF) cranial fossae: group 1 (ACF), group 2 (MCF), and group 3 (ACF-MCF)...
March 8, 2018: Neuroradiology
https://www.readbyqxmd.com/read/29508057/late-onset-hydrocephalus-in-a-child-with-joubert-syndrome-a-case-report
#12
M K Fehrenbach, U Nestler, J Meixensberger, M K Bernhard, A Merkenschlager, S Weise, M Krause
INTRODUCTION: The ciliopathy "Joubert syndrome" was first described in 1969 by Dr. Marie Joubert and most subtypes follow an autosomal recessive inheritance. The complex disorder shows typical clinical features, such as hyperventilation, abnormal eye movements, and retardation. A pathognomonic midbrain-hindbrain malformation, the molar tooth sign, can be found on magnetic resonance imaging of the brainstem. There are a little more than 200 reports of Joubert syndrome in the literature...
March 5, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29445946/paravertebral-tumours-of-the-cervicothoracic-junction-extending-into-the-mediastinum-surgical-strategies-in-a-no-man-s-land
#13
Georgios K Prezerakos, Parag Sayal, Antonios Kourliouros, Periclis Pericleous, George Ladas, Adrian Casey
PURPOSE: Cervicothoracic paravertebral neoplasms extending into the mediastinum pose a surgical challenge due the complex regional anatomy, their biological nature, rarity and surgeon's unfamiliarity with the region. We aim to define a surgical access framework addressing the aforementioned complexities whilst achieving oncological clearance. METHODS: We carried out a retrospective review of 28 consecutive patients operated in two tertiary referral centres between 1998 and 2015...
February 14, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29436723/variable-prenatal-presentation-of-pfeiffer-syndrome-suggested-aids-to-prenatal-sonographic-diagnosis
#14
Souha Saliba, Baptiste Morel, Marie Gonzales, Marie-Victoire Sénat, Lucie Guilbaud, Jean-Marie Jouannic, Marie Cassart, Catherine Garel, Eléonore Blondiaux
BACKGROUND: Our purpose was to describe and compare the cranial and extracranial abnormalities of Pfeiffer syndrome on prenatal imaging with postnatal or postmortem findings, which may help in prenatal diagnosis of Pfeiffer syndrome (PS). METHODS: Cases of fetuses with a confirmed diagnosis of PS over a 4-year period (2012-2016) were retrospectively reviewed. Prenatal imaging findings, postnatal or postmortem investigations and genetic test results were analyzed...
February 13, 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29433337/development-of-a-pre-operative-scoring-system-for-predicting-risk-of-post-operative-paediatric-cerebellar-mutism-syndrome
#15
Jo-Fen Liu, Robert A Dineen, Shivaram Avula, Tom Chambers, Manali Dutta, Tim Jaspan, Donald C MacArthur, Simon Howarth, Daniele Soria, Philip Quinlan, Srikrishna Harave, Chan Chang Ong, Conor L Mallucci, Ram Kumar, Barry Pizer, David A Walker
BACKGROUND: Despite previous identification of pre-operative clinical and radiological predictors of post-operative paediatric cerebellar mutism syndrome (CMS), a unifying pre-operative risk stratification model for use during surgical consent is currently lacking. The aim of the project is to develop a simple imaging-based pre-operative risk scoring scheme to stratify patients in terms of post-operative CMS risk. METHODS: Pre-operative radiological features were recorded for a retrospectively assembled cohort of 89 posterior fossa tumour patients from two major UK treatment centers (age 2-23yrs; gender 28 M, 61 F; diagnosis: 38 pilocytic astrocytoma, 32 medulloblastoma, 12 ependymoma, 1 high grade glioma, 1 pilomyxoid astrocytoma, 1 atypical teratoid rhabdoid tumour, 1 hemangioma, 1 neurilemmoma, 2 oligodendroglioma)...
February 12, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29407505/role-of-cone-beam-computed-tomography-with-a-large-field-of-view-in-goldenhar-syndrome
#16
Cosimo Nardi, Luisa De Falco, Valeria Selvi, Chiara Lorini, Linda Calistri, Stefano Colagrande
INTRODUCTION: Goldenhar syndrome is a rare disease with hemifacial microsomia and craniofacial disorders originating from the first and second branchial arches, such as ocular, auricular, and vertebral anomalies. The complexity and variety of the ways in which the disease presents itself usually need several examinations. In this study, we aimed to evaluate both craniofacial and vertebral skeletal anomalies and asymmetries between the nonaffected and affected sides in patients with Goldenhar syndrome by using cone-beam computed tomography...
February 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29405773/brain-infarction-due-to-vertebral-artery-dissection-caused-by-a-bone-protrusion-from-the-condylar-fossa-in-a-juvenile-case
#17
Mutsumi Fujii, Miki Ohgushi, Takaaki Chin
A 16-year-old boy presented with multiple posterior circulation ischemic strokes resulting from vertebral artery (VA) dissection. Three-dimensional computed tomography showed aberrant sub-occipital bone protuberance, proximal to the VA dissection. Since the patient was a habitual neck cracker, VA dissection was thought to result from the impact shock of the rotational head movement. This could be due to either the osseous prominence or the compression between the prominence and the C1. Although it is a rare etiology of Bow Hunter's syndrome, VA dissection due to sub-occipital bone spur because of neck cracking should be considered in the diagnosis of Bow Hunter's syndrome in juvenile patients...
February 6, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29403363/a-retrospective-2d-morphometric-analysis-of-adult-female-chiari-type-i-patients-with-commonly-reported-and-related-conditions
#18
Maggie S Eppelheimer, James R Houston, Jayapalli R Bapuraj, Richard Labuda, Dorothy M Loth, Audrey M Braun, Natalie J Allen, Soroush Heidari Pahlavian, Dipankar Biswas, Aintzane Urbizu, Bryn A Martin, Cormac O Maher, Philip A Allen, Francis Loth
Purpose: Researchers have sought to better understand Chiari type I malformation (CMI) through morphometric measurements beyond tonsillar position (TP). Soft tissue and bone structures within the brain and craniocervical junction have been shown to be different for CMI patients compared to healthy controls. Yet, several morphological characteristics have not been consistently associated with CMI. CMI is also associated with different prevalent conditions (PCs) such as syringomyelia, pseudotumor, Ehlers-Danlos syndrome (EDS), scoliosis, and craniocervical instability...
2018: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/29395695/a-new-diagnostic-approach-to-the-adult-patient-with-acute-dizziness
#19
Jonathan A Edlow, Kiersten L Gurley, David E Newman-Toker
BACKGROUND: Dizziness, a common chief complaint, has an extensive differential diagnosis that includes both benign and serious conditions. Emergency physicians must distinguish the majority of patients with self-limiting conditions from those with serious illnesses that require acute treatment. OBJECTIVE OF THE REVIEW: This article presents a new approach to diagnosis of the acutely dizzy patient that emphasizes different aspects of the history to guide a focused physical examination with the goal of differentiating benign peripheral vestibular conditions from dangerous posterior circulation strokes in the emergency department...
January 31, 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29386918/bilateral-total-retinal-detachment-at-birth-a-case-report-of-walker-warburg-syndrome
#20
Navid Hakim, Cristina Soare, Jamil Hakim
Walker-Warburg syndrome (WWS) is a disorder characterized by ocular and brain malformations, and congenital muscular dystrophy. Retinal malformations are common in WWS; however, bilateral retinal detachment is a rare occurrence. We present a case of a newborn baby delivered at 36+3 weeks, who was the first living child of consanguineous parents of Turkish origin. On antenatal anomaly scans, the fetus had hydrocephalus that had increased throughout pregnancy, and a diagnosis of hydrancephaly was made at 36 weeks of gestation...
2018: International Medical Case Reports Journal
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