Related Experiment Video
Updated: Jan 18, 2026

Induction of Paralysis and Visual System Injury in Mice by T Cells Specific for Neuromyelitis Optica Autoantigen Aquaporin-4
Published on: August 21, 2017
Vomiting in Neuromyelitis Optica: An Atypical Presentation
Syed M Zaidi1, Aleena Mohib2, Syed Asad Hasan Rizvi3
1Internal Medicine, Civil Hospital Karachi, Dow University of Health Sciences, Karachi, PAK.
Neuromyelitis Optica Spectrum Disorder (NMOSD) can present with unusual symptoms like intractable vomiting. Early diagnosis of this autoimmune CNS disorder is crucial for preventing severe disability.
Area of Science:
- Neuroimmunology
- Neurology
- Autoimmune Disorders
Background:
- Neuromyelitis Optica (NMO), or Devic's disease, is a central nervous system demyelinating autoimmune disorder.
- NMO primarily affects the optic nerves and spinal cord, leading to visual and motor deficits.
Observation:
- A case study of an 18-year-old female presenting with intractable vomiting and epigastric pain, initially misdiagnosed.
- The patient later developed double vision and inability to stand or walk, prompting further investigation.
Findings:
- Diagnosis confirmed as Neuromyelitis Optica Spectrum Disorder (NMOSD) based on the presence of anti-NMO antibodies.
- Intractable vomiting was identified as an atypical but significant presenting symptom.
Implications:
- Highlights the importance of considering NMOSD in patients with unexplained severe vomiting.
- Prompt diagnosis and treatment of NMOSD are essential to prevent irreversible neurological damage and disability.
More Related Videos
Related Concept Videos
Pathophysiology of Vomiting
Myasthenia Gravis: Overview and Treatment
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
Myasthenia Gravis: Diagnostic Tests
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
Chemotherapy-Induced Nausea and Vomiting: Neurokinin-1 Receptor Antagonists
Barrett Esophagus-II: Clinical Manifestations and Management
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure...
Chemotherapy-Induced Nausea and Vomiting: Dopamine Receptor Antagonists
Phenothiazines, such as prochlorperazine...

