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Dr. Honnorat has more than 25 years of experience in the field of paraneoplastic neurological syndromes (PNS) and autoimmune encephalitis (AE). The topic of his presentations will be the role of genetics in autoimmune encephalitis (AE). He is head of the Department of Neuro-Oncology at the neurological hospital, Hospices Civils de Lyon and a team leader of the “Synaptopathies and Autoantibodies (SynatAc)” at the Institute NeuroMyoGene (UMR INSERM U1217, CNRS 5310). He is also chair of the French rare disease reference center “paraneoplastic neurological syndrome and autoimmune encephalitis” since 2007, which collects samples from all over France and provides care and follow-up for people with rare diseases. He has been working on PNS and AE for more than 25 years. His main work combines Basic and Clinical Research at multiple levels (patient’s cohorts; biological collections; cellular and animal models; biomarkers...) to explore the pathophysiologies of both brain tumors and neuro-inflammatory diseases and to detect specific autoantibodies as biomarkers of these diseases and as tools to understand synaptic functions. We invite you to register today for what promises to be just one of the fascinating presentations of the conference.
The authors would like to correct some errors in the publication of the original article. The corrected and updated details are given below for your reading.
Here, we found a novel autoimmune encephalitis associated with anti-Ca<sub>V</sub> α2δ antibody. Further analysis of the antibody in autoimmune encephalitis might promote the early diagnosis and treatment.
The rates of coexisting anti-NMDA receptor encephalitis and MOG antibody-associated encephalomyelitis may be underestimated.Clinical symptoms such as seizures and cognitive decline accompanied by atypical central nervous system demyelination serve as warning signs of possible coexisting anti-NMDA...
Objective Diagnosing autoimmune encephalitis (AIE) is difficult in patients with less fulminant diseases, like epilepsy. However, recognition is important, as patients require immunotherapy. This s...
Patients with a rare neurological condition known as anti-NMDA receptor encephalitis often present first with psychosis.
Paraneoplastic autoimmune encephalitis (PAE) represents a group of rare neurological syndromes associated with neoplastic diseases.Here, we report a case that multiple anti-neuronal antibodies were present in a patient with PAE who developed both small cell lung cancer and colorectal adenocarcinoma...
Create a free QxMD account to take advantage of the features offered by Read like saving your papers and creating collections. Get Started Unremitting diarrhoea in a girl diagnosed anti-N-methyl-D-aspartate-receptor encephalitis: A case report Norrapat Onpoaree, Montida Veeravigrom, Anapat Sanpavat, Narissara Suratannon, Palittiya Sintusek World Journal of Clinical Cases 2020 October 26, 8 (20): 4866-4875 BACKGROUND: Asymptomatic cytomegalovirus (CMV) infection is common in children; in contrast, in children with a weakened immune system, invasive CMV can occur. This is the first case report of a severe manifestation of CMV esophago-enterocolitis in a girl diagnosed with anti-N-methyl-D-aspartate-receptor (anti-NMDAR) encephalitis who received only a moderate dose of corticosteroid therapy. CASE SUMMARY: A 12-year-old-Thai girl presented with acute behavioural change and headache for 6 d. Electroencephalogram and positivity for NMDAR autoantibodies were compatible with anti-NMDAR encephalitis. Hence, she received pulse methylprednisolone 10 mg/kg per day for 4 d and continued with prednisolone 1.2 mg/kg per day. On day 42 of corticosteroid therapy, she developed unremitting vomiting and diarrhoea. Endoscopy showed multiple ulcers and erythaematous mucosa along the gastrointestinal tract. Tissue CMV viral load and viral-infected cells confirmed CMV esophago-enterocolitis. Therefore, the patient received ganciclovir 5 mg/kg per dose every 12 h for 3 wk and then 5 mg/kg per dose once daily for 3 wk. Unremitting diarrhoea slowly improved from stool output 1-4 L per day to 1-2 L per day after 3 wk of treatment. Pulse methylprednisolone 20 mg/kg for 5 d was initiated and continued with prednisolone 1 mg/kg per day. After this repeated pulse methylprednisolone treatment, surprisingly, diarrhoea subsided. Immunologic work-up was performed to rule out underlying immune deficiency with unremarkable results. CONCLUSION: Unremitting diarrhoea from CMV esophago-enterocolitis subsided with antiviral and methylprednisolone therapy, implying the immune and NMDAR dysregulation in anti-NMDAR encephalitis. Full Text Links We have located links that may give you full text access. Additional links Discussion You are not logged in. Sign Up or Log In to join the discussion. Trending Papers 2020 AHA/ACC Guideline for the Diagnosis and Treatment of Patients With Hypertrophic Cardiomyopathy: Executive Summary: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. Steve R Ommen, Seema Mital, Michael A Burke, Sharlene M Day, Anita Deswal, Perry Elliott, Lauren L Evanovich, Judy Hung, José A Joglar, Paul Kantor, Carey Kimmelstiel, Michelle Kittleson, Mark S Link, Martin S Maron, Matthew W Martinez, Christina Y Miyake, Hartzell V Schaff, Christopher Semsarian, Sorajja Paul Circulation 2020 November 20, : CIR0000000000000938 Effectiveness of Adding a Mask Recommendation to Other Public Health Measures to Prevent SARS-CoV-2 Infection in Danish Mask Wearers : A Randomized Controlled Trial. Henning Bundgaard, Johan Skov Bundgaard, Daniel Emil Tadeusz Raaschou-Pedersen, Christian von Buchwald, Tobias Todsen, Jakob Boesgaard Norsk, Mia M Pries-Heje, Christoffer Rasmus Vissing, Pernille B Nielsen, Ulrik C Winsløw, Kamille Fogh, Rasmus Hasselbalch, Jonas H Kristensen, Anna Ringgaard, Mikkel Porsborg Andersen, Nicole Bakkegård Goecke, Ramona Trebbien, Kerstin Skovgaard, Thomas Benfield, Henrik Ullum, Christian Torp-Pedersen, Kasper Iversen Annals of Internal Medicine 2020 November 18 How to ventilate obstructive and asthmatic patients. Alexandre Demoule, Laurent Brochard, Martin Dres, Leo Heunks, Amal Jubran, Franco Laghi, Armand Mekontso-Dessap, Stefano Nava, Lamia Ouanes-Besbes, Oscar Peñuelas, Lise Piquilloud, Theodoros Vassilakopoulos, Jordi Mancebo Intensive Care Medicine 2020 November 9 Volume overload in hemodialysis: diagnosis, cardiovascular consequences, and management. Charalampos Loutradis, Pantelis A Sarafidis, Charles J Ferro, Carmine Zoccali Nephrology, Dialysis, Transplantation 2020 November 13 Clinical Management of Hyperkalemia. Biff F Palmer, Juan Jesus Carrero, Deborah J Clegg, Gates B Colbert, Michael Emmett, Steven Fishbane, Debra J Hain, Edgar Lerma, Macaulay Onuigbo, Anjay Rastogi, Simon D Roger, Bruce S Spinowitz, Matthew R Weir Mayo Clinic Proceedings 2020 November 4 Comparing Laparoscopic Elective Sigmoid Resection With Conservative Treatment in Improving Quality of Life of Patients With Diverticulitis: The Laparoscopic Elective Sigmoid Resection Following Diverticulitis (LASER) Randomized Clinical Trial. Alexandre Santos, Panu Mentula, Tarja Pinta, Shamel Ismail, Tero Rautio, Risto Juusela, Aleksi Lähdesmäki, Tom Scheinin, Ville Sallinen JAMA Surgery 2020 November 18
Cotard syndrome is a clinical condition defined by the presence of nihilistic delusions. We report two patients with Cotard syndrome in whom anti-NMDAR encephalitis (ANMDARE) was confirmed. Both ca...
This is the first series of Anti NMDAR encephalitis presenting as new onset seizure clusters in children. Unlike the existing literature, these children did not develop any other symptoms. We propose that focal encephalitis could be the reason for this monosymptomatic presentation.
Patients with anti-NMDA receptor antibodies respond to antipsychotic drug...
It has been a century since Constantin von Economo first reported patients who were initially hospitalized with unusual neurological symptoms with various...
An Ontario student has graduated from university despite suffering from a disease commonly known as ‘brain on fire’ that put her in a five-month coma and caused near total memory loss during her second year of school.
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Advances in autoimmune encephalitis studies in the past 10 years have led to the identification of new syndromes and biomarkers that have transformed the diagnostic approach to the disorder.The disorder or syndrome has been linked to a wide variety of pathologic processes associated with the neuron...
He was getting lost driving home from work. And he was having strange spasms. What was the cause?
The factors that predispose to relapse in patients recovering with autoimmune encephalitis (AE) are largely unknown, complicating efforts to distingui…...
Abstract The contributors to persistent cognitive impairment and hippocampal atrophy in leucine‐rich glioma‐inactivated 1 antibody encephalitis (LGI1) patients are unknown. We evaluated whether tau...
The aim of this project is to improve biological collections of patients presenting rare neurological disorders with known or suspected autoimmune origin...
Individuals with psychosis were more likely to have a higher prevalence of a particular antibody vs. controls, according to results of a meta-analysis published in The Lancet Psychiatry.“The discovery of an encephalitic syndrome driven by antibodies targeting the N-methyl-D aspartate receptor...
To investigate the clinical and instrumental features at the onset addressing to the diagnosis of anti-NMDAR encephalitis.Twenty children (age: 15 mon…...
Happy New Year Everyone! May 2021 be a healthier and safer world for us all. Today we are pleased to launch the countdown to the World ...Read More...
We report a case of 34-year-old woman presenting with complaints of abnormal posturing of hand and tonic-clonic seizures of few days' duration, which soon progressed to psychotic episodes and injuries secondary to fall/abnormal movements.
Higher estimates of NMDAR IgG antibody prevalence have been obtained with the live
cell-based assay, and studies using this method find that seropositivity is more common
in patients with psychosis than in controls.
We read with interest the article by Michael Peer and colleagues.1 The authors investigated by resting-state functional MRI (fMRI) a reasonable number of patients (n=43; 24 of which were reported previously) who were diagnosed earlier with so-called anti-NMDAR encephalitis (treatment regimens were...
The concept of a relevant contribution of immunological and inflammatory factors to psychiatric disorders such as schizophrenia was postulated more than 100 years ago.1 It has since been supported by increasing evidence, including the association of infections, autoimmune disorders, and elevated...
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