Related Experiment Video
Updated: Jul 28, 2026

Utility of Dissociated Intrinsic Hand Muscle Atrophy in the Diagnosis of Amyotrophic Lateral Sclerosis
Published on: March 4, 2014
Huntington's disease with comorbid myasthenia gravis: a case report
S Chatzikonstantinou1, I Dagklis1, D Kazis1
13Department of Neurology, Papanikolaou General Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.
This report details the first known case of Huntington's disease (HD) co-occurring with myasthenia gravis (MG). This extremely rare dual diagnosis highlights potential, though uncertain, autoimmune links between these distinct neurological disorders.
Area of Science:
- Neurology
- Immunology
- Genetics
Background:
- Literature reviews indicate co-occurrence of Huntington's disease (HD) or myasthenia gravis (MG) with other neurodegenerative and autoimmune conditions.
- Pathogenesis theories propose shared immunologic mechanisms for HD and MG, suggesting a potential, albeit uncertain, association.
Observation:
- A rare case is presented of a 66-year-old male diagnosed with both Huntington's disease (HD) and myasthenia gravis (MG).
- Myasthenia gravis diagnosis was confirmed via acetylcholine receptor antibodies and clinical presentation.
- Huntington's disease diagnosis was established through clinical features, family history, and DNA testing.
Findings:
- This marks the first documented instance of Huntington's disease and myasthenia gravis occurring simultaneously in a single patient.
- The probability of this specific dual diagnosis is exceptionally low.
Implications:
- This case underscores the complexity of neurological and autoimmune disease interactions.
- Further research may explore potential shared autoimmune pathways or triggers in neurodegenerative disorders.
Related Concept Videos
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 leads...
Myasthenia Gravis: Diagnostic Tests
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
Disorders of the Skeletal Muscle
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
Huntington Disease l: Introduction
Myasthenia Gravis ll: Pathophysiology
Alterations in Muscle Tone lll

