Comment diagnostiquer une anomalie du rhombencéphale ?

Un IRM ou un scanner cérébral est souvent utilisé pour visualiser les anomalies.

Quels tests neurologiques sont utilisés ?

Des tests d'évaluation des réflexes et de la coordination peuvent être effectués.

Quels signes cliniques indiquent un problème ?

Des troubles de l'équilibre, des vertiges ou des difficultés de coordination peuvent indiquer un problème.

Le diagnostic peut-il inclure des tests génétiques ?

Oui, des tests génétiques peuvent être réalisés pour certaines malformations congénitales.

Quelle est l'importance de l'évaluation neuropsychologique ?

Elle aide à évaluer les fonctions cognitives et comportementales affectées par des lésions.

Quels sont les symptômes d'une lésion du rhombencéphale ?

Les symptômes incluent des vertiges, des troubles de l'équilibre et des nausées.

Peut-on avoir des troubles de la parole ?

Oui, des lésions peuvent entraîner des troubles de la parole et de la déglutition.

Les maux de tête sont-ils fréquents ?

Oui, des maux de tête peuvent survenir en raison de la pression intracrânienne.

Y a-t-il des symptômes visuels associés ?

Des troubles visuels peuvent se manifester, comme des diplopies ou des pertes de vision.

Les troubles de la mémoire sont-ils possibles ?

Oui, des lésions peuvent affecter la mémoire et la concentration.

Comment prévenir les maladies du rhombencéphale ?

Une alimentation saine, l'exercice régulier et l'évitement des toxines peuvent aider.

Les vaccinations sont-elles importantes ?

Oui, certaines vaccinations peuvent prévenir des infections affectant le système nerveux.

Le contrôle de la pression artérielle est-il crucial ?

Oui, un bon contrôle de la pression artérielle peut réduire le risque d'accidents vasculaires.

Faut-il éviter certains médicaments ?

Oui, certains médicaments peuvent avoir des effets secondaires neurologiques à éviter.

L'éducation sur les symptômes est-elle utile ?

Oui, connaître les symptômes permet une détection précoce et un traitement rapide.

Quels traitements sont disponibles pour les lésions ?

Le traitement peut inclure la rééducation, la médication et, dans certains cas, la chirurgie.

La physiothérapie est-elle recommandée ?

Oui, la physiothérapie aide à améliorer la coordination et l'équilibre.

Des médicaments sont-ils prescrits ?

Des médicaments peuvent être prescrits pour gérer la douleur ou les symptômes neurologiques.

Quand la chirurgie est-elle nécessaire ?

La chirurgie est envisagée en cas de tumeurs ou d'anomalies structurelles graves.

Y a-t-il des traitements alternatifs ?

Des thérapies complémentaires comme l'acupuncture peuvent être envisagées, mais avec prudence.

Quelles complications peuvent survenir ?

Des complications incluent des troubles moteurs, des crises épileptiques et des déficits cognitifs.

Les troubles de l'humeur sont-ils possibles ?

Oui, des lésions peuvent entraîner des troubles de l'humeur comme la dépression.

Y a-t-il un risque d'infection ?

Oui, les interventions chirurgicales peuvent augmenter le risque d'infections cérébrales.

Les troubles de la coordination peuvent-ils s'aggraver ?

Oui, sans traitement, les troubles de la coordination peuvent s'aggraver avec le temps.

Des problèmes de développement peuvent-ils survenir ?

Oui, des anomalies du rhombencéphale peuvent entraîner des retards de développement.

Quels sont les facteurs de risque génétiques ?

Des antécédents familiaux de malformations cérébrales augmentent le risque.

L'exposition prénatale à des toxines est-elle un risque ?

Oui, l'exposition à des toxines pendant la grossesse peut affecter le développement cérébral.

Le diabète maternel est-il un facteur de risque ?

Oui, le diabète non contrôlé pendant la grossesse peut augmenter le risque de malformations.

Les infections pendant la grossesse sont-elles préoccupantes ?

Oui, certaines infections comme la rubéole peuvent affecter le développement du cerveau.

L'âge maternel influence-t-il le risque ?

Oui, un âge maternel avancé est associé à un risque accru de malformations congénitales.

Rhombencéphale - Informations médicales vérifiées

Neurosurgeons' opinions on the prenatal management of myelomeningocele.

01 10 2019

DOI: 10.3171/2019.7.FOCUS19362 PMID: 31574464

Improvements in imaging and surgical technological innovations have led to the increasing implementation of fetal surgical techniques. Open fetal surgery has demonstrated more favorable clinical outco... An online survey was emailed to members of the Congress of Neurological Surgeons (CNS) and the International Society for Pediatric Neurosurgery (ISPN) in March 2019. The survey focused on 1) character... A total of 446 respondents filled out the survey, most (59.2%) of whom specialized in pediatric neurosurgery. The respondents repaired an average of 9.6 MMC defects per year, regardless of technique. ... The survey results showed diversity in the management of patients with MMC. In addition, significant diversity remains regarding fetal surgery for MMC closure. Despite the apparent benefits of open fe...

Female Fetoscopy Fetus Humans Meningomyelocele +4 autres

Prenatal diagnosis of rhombencephalosynapsis: neuroimaging features and severity of vermian anomaly.

Dec 2021

DOI: 10.1002/uog.23660 PMID: 33942916

To describe the prenatal neuroimaging spectrum of rhombencephalosynapsis (RES) and criteria for its classification according to the severity of vermian anomaly.... In this multicenter retrospective study of fetuses with RES between 2002 and 2020, the medical records and brain ultrasound and magnetic resonance images were evaluated comprehensively to determine th... Included in the study were 62 fetuses with a gestational age ranging between 12 and 37 weeks. Most had complete absence of the vermis (complete RES, 77.4% of cases), a 'round-shaped' cerebellum on axi... This study provides prenatal neuroimaging criteria for the diagnosis and classification of RES, and identification of related features, using ultrasound and magnetic resonance imaging. According to ou...

Abnormalities, Multiple Adult Cerebellar Vermis Cerebellum Eye Abnormalities +15 autres

Prenatal Repair of Myelomeningocele and School-age Functional Outcomes.

02 2020

DOI: 10.1542/peds.2019-1544 PMID: 31980545

The Management of Myelomeningocele Study (MOMS), a randomized trial of prenatal versus postnatal repair for myelomeningocele, found that prenatal surgery resulted in reduced hindbrain herniation and n... Follow-up cohort study of 161 children enrolled in MOMS. Assessments included neuropsychological and physical evaluations. Children were evaluated at a MOMS center or at a home visit by trained blinde... The Vineland composite score was not different between surgery groups (89.0 ± 9.6 in the prenatal group versus 87.5 ± 12.0 in the postnatal group;... There was no significant difference between surgery groups in overall adaptive behavior. Long-term benefits of prenatal surgery included improved mobility and independent functioning and fewer surgeri...

Adaptation, Psychological Cerebrospinal Fluid Shunts Child Child, Preschool Encephalocele +13 autres

Detailed Analysis of Hydrocephalus and Hindbrain Herniation After Prenatal and Postnatal Myelomeningocele Closure: Report From a Single Institution.

01 05 2020

DOI: 10.1093/neuros/nyz302 PMID: 31432079

The Management of Myelomeningocele Study (MOMS) demonstrated that fetal myelomeningocele (fMMC) closure results in improved hydrocephalus and hindbrain herniation when compared to postnatal closure.... To report on the outcomes of a single institution's experience in the post-MOMS era, with regard to hydrocephalus absence and hindbrain herniation resolution.... A single-center retrospective study of a subset of post-MOMS patients who underwent fetal/postnatal myelomeningocele closure was performed. Primary outcomes included cerebrospinal fluid (CSF) diversio... From January 2011 to May 2016, data were reviewed from families of 62 postnatal and 119 fMMC closure patients. In the postnatal group, 80.6% required CSF diversion compared to 38.7% fetal cases (P < .... This study demonstrates the benefits of fMMC closure with regard to CSF dynamics....

Female Fetal Diseases Fetal Therapies Fetus Humans +6 autres

Progressive hydrocephalus despite early complete reversal of hindbrain herniation after prenatal open myelomeningocele repair.

01 10 2019

DOI: 10.3171/2019.7.FOCUS19434 PMID: 31574467

Open prenatal myelomeningocele (MMC) repair is typically associated with reversal of in utero hindbrain herniation (HBH) and has been posited to be associated with a reduction in both postoperative pr... A retrospective review of all prenatal MMC repair operations performed at the Mayo Clinic between 2012 and 2017 was conducted. Pertinent data regarding the clinical courses of these patients before an... A total of 9 prenatal MMC repair cases were identified. There were 7 cases in which MRI clearly demonstrated prenatal HBH, and of these 86% (6/7) had evidence of HBH reversal after repair and prior to... Although prenatal MMC repair can achieve HBH reversal in a majority of well-selected cases, the prevention of postnatal HCP requiring intervention appears not to be predicated on this outcome alone. I...

Adult Choroid Plexus Female Humans Hydrocephalus +7 autres

Severe invasive

Jan 2021

DOI: 10.1177/0300060520982653 PMID: 33435771

Neurolisteriosis is a foodborne infection of the central nervous system that is easily misdiagnosed, especially in healthy adults with atypical symptoms. A 50-year-old man presented with a 3-day histo...

Adult Ampicillin Anti-Bacterial Agents Facial Nerve Diseases Humans +5 autres

Epidemiology, clinical and imaging features of rhombencephalitis caused by L. monocytogenes. A retrospective observational study.

16 06 2023

DOI: 10.33588/rn.7612.2023020 PMID: 37303100

To date, few studies have explored the specific risk factors of patients with listeriosis who develop rhombencephalitis, and there is insufficient information regarding imaging findings and clinical s... We conducted a retrospective observational study of all declared cases of listeriosis in a tertiary hospital from Granada, Spain, from 2008 to 2021. Risk factors, comorbidities, and clinical outcomes ... Our cohort comprised 120 patients with listeriosis (41.7% women, mean age: 58.6 ± 23.8 years), of which 10 (8.3%) had rhombencephalitis. The most frequent MRI findings in patients with confirmed rhomb... Rhombencephalitis is associated with an increased in-hospital mortality in patients with listeriosis. The anatomical distribution and imaging characteristics of neurolisteriosis could be useful to sug...

Infectious Encephalitis Rhombencephalon Listeria monocytogenes Listeriosis Humans +7 autres

In Utero Restoration of Hindbrain Herniation in Fetal Myelomeningocele as Part of Prenatal Regenerative Therapy Program at Mayo Clinic.

04 2020

DOI: 10.1016/j.mayocp.2019.10.039 PMID: 32247347

To assess our initial experience with prenatal restoration of hindbrain herniation following in utero repair of myelomeningocele (MMC).... Three consecutive patients with prenatally diagnosed MMC (between January 1, 2018 and September 30, 2018) were managed with open in utero surgery. As per institutional review board approval and follow... Diagnosis of MMC was confirmed upon referral between 20 and 21 weeks' gestation by using fetal ultrasound and magnetic resonance imaging. In all cases reported here, the spinal defect was lumbosacral ... Our study highlights the prenatal restoration of hindbrain herniation following in utero MMC repair in all cases presented here as an example of a prenatal regenerative therapy program in our institut...

Adult Encephalocele Female Fetus Humans +5 autres

Hindbrain morphometry and choroid plexus position in differential diagnosis of posterior fossa cystic malformations.

Aug 2019

DOI: 10.1002/uog.20120 PMID: 30207001

To assess the differential diagnostic significance of a series of quantitative and qualitative variables of the cerebellar vermis in fetuses with posterior fossa cystic malformation, including Dandy-W... This was a retrospective study of confirmed cases of DWM, VH and BPC, diagnosed at the Fetal Medicine and Surgery Unit of the Federico II University between January 2005 and June 2013 or the Fetal Med... We analyzed 67 fetuses with posterior fossa malformations (24 cases of DWM, 13 of VH and 30 of BPC). The mean gestational age at diagnosis was 23.6 weeks. Regardless of gestational age, the BVA differ... Our data support the concept that VA/BPD ratio and 4VCP position may be used to differentiate between DWM, VH and BPC in the fetus. In our series, the position of the 4VCP had the highest accuracy, bu...

Cerebellar Vermis Choroid Plexus Cranial Fossa, Posterior Cysts Dandy-Walker Syndrome +14 autres

Early second-trimester three-dimensional transvaginal neurosonography of fetal midbrain and hindbrain: normative data and technical aspects.

03 2022

DOI: 10.1002/uog.23691 PMID: 34002885

To provide a detailed description of the sonographic appearance and development of various fetal structures of the midbrain and hindbrain (MBHB) during the early second trimester, and to evaluate the ... This was a retrospective analysis of three-dimensional volumetric datasets of the MBHB from apparently normal fetuses at 14-19 gestational weeks, acquired by TVS in the midsagittal view through the po... Sixty brain volumes were included in the study, obtained at a mean gestational age of 16.2 weeks (range, 14.1-19.0 weeks), with a transverse cerebellar diameter range of 13.0-19.8 mm. We found a stron... Detailed early second-trimester assessment of the MBHB is feasible by transvaginal neurosonography and provides reference data which may help in the early detection of brain pathology involving the MB...

Cranial Fossa, Posterior Female Fourth Ventricle Gestational Age Humans +7 autres

Rhombencéphale : Questions médicales fréquentes

Questions fréquentes et termes MeSH associés

Diagnostic 5

Symptômes 5

Prévention 5

Traitements 5

Complications 5

Facteurs de risque 5

Contenu validé par Dr Olivier Menir

Sous-catégories

Métencéphale

Myélencéphale

Fibres tecto-spinales

Cervelet

Pont

Moelle allongée

Cortex cérébelleux

Noyaux du cervelet

Angle pontocérébelleux

Noyau de Barrington

Noyau cochléaire

Noyau de Kolliker-Fuse

Pédoncule cérébelleux moyen

Tegmentum pontin

Noyau olivaire

Noyaux du raphé

Noyau du tractus solitaire

Vermis cérébelleux

Noyau abducens

Noyau facial

Locus ceruleus

Noyau parabrachial

Complexe olivaire supérieur

Corps trapézoïde

Noyau obscur du raphé

Noyau pâle du raphé

Noyau du raphé magnus

Auteurs principaux

Sources (50 au total)