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Association of Lambert-Eaton Myasthenic Syndrome and First Episode Psychosis: A Case Report.
J Psychiatr Pract
January 2025
Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University Medical Centre, Maastricht University, Maastricht, The Netherlands.
Lambert-Eaton myasthenic syndrome (LEMS) is an autoimmune neuromuscular junction disorder characterized by proximal weakness, autonomic dysfunction, and areflexia associated with antibodies against voltage-gated calcium channels (VGCCs). Psychotic symptoms can occur in many autoimmune neurological disorders but they have rarely been observed in myasthenic syndromes. We report the case of a 21-year-old woman with primary autoimmune LEMS due to anti-VGCC antibodies subtype P/Q, who developed psychotic symptoms 3 years after the onset of motor symptoms.
View Article and Find Full Text PDFLate onset cerebellar ataxia syndrome after non-paraneoplastic Lambert-Eaton myasthenic syndrome: a case study.
BMC Neurol
January 2025
Neuromuscular Neurology, Advocate Health, 1850 Dempster Street, Park Ridge, IL, 60068, USA.
This is an unusual case of voltage gated calcium channel (VGCC) antibodies leading to two distinct and chronologically separated neurologic syndromes without the presence of an underlying neoplasm. Lambert Eaton Myasthenic Syndrome (LEMS) presented five years prior to cerebellar ataxia. Both LEMS and cerebellar ataxia were responsive to treatment, but not the same therapy.
View Article and Find Full Text PDFClinical presentations, electrophysiologic features, and long-term follow-up in Lambert-Eaton myasthenic syndrome: a series of six patients.
Front Neurol
December 2024
Department of Internal Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
Background: Lambert-Eaton myasthenic syndrome (LEMS) is an autoimmune disorder of the presynaptic neuromuscular junction associated with antibody mediated dysfunction of voltage-gated calcium channels (VGCCs). LEMS can exist as a paraneoplastic syndrome, paraneoplastic-LEMS (P-LEMS), when associated with tumors, most commonly, small cell lung carcinoma (SCLC) or as a non-paraneoplastic condition (NP-LEMS) when no malignancies are detected.
Methods: A retrospective chart review was conducted in 3 tertiary hospitals in Saudi Arabia for patients diagnosed with LEMS between January 2010 and January 2020.
Paraneoplastic Syndromes of the Nervous System in Patients Suffering from SCLC. A Review of the Recent Literature.
Acta Med Acad
August 2024
Medical School, National and Kapodistrian University of Athens, Athens, Greece.
Background: Paraneoplastic Neurological Syndromes (PNS) constitute a heterogeneous cluster of disease manifestations related to various cancers. Small Cell Lung Cancer (SCLC) is strongly related to PNS. This narrative review conducted a survey in the available PubMed literature to highlight the appearance of PNSs in SCLC cases and discuss published research highlights on the subject so that general practitioners can be acquainted with the medical phenomenon present in SCLC patients.
View Article and Find Full Text PDFWhat Is in the Neuromuscular Junction Literature?
J Clin Neuromuscul Dis
December 2024
Departments of Neurology and Pathology (Neuropathology), University of Pittsburgh School of Medicine, Pittsburgh, PA.
This update starts with an interesting series of children and adults with congenital myasthenic syndrome with a DOK7 variant. The next section is on autoimmune myasthenia gravis (MG) epidemiology, cost of care, and hospitalizations. A number of studies on the newer treatments are discussed including a phase 2 trial of nipocalimab and recommendations for using some of these drugs.
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