Related Experiment Video
Updated: Aug 8, 2026

12:23
Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients
Published on: April 14, 2014
Multifocal motor sensory demyelinating neuropathy: inflammatory demyelinating polyradiculoneuropathy
1Department of Neurology, University of Alabama, Birmingham, AL 35294, USA. shinjoh@uab.edu
Neurology
|November 23, 2005
Summary
Autopsy findings reveal multifocal acquired demyelinating sensory and motor neuropathy (MADSAMN) is an inflammatory condition. This demyelinating polyradiculoneuropathy shares features with CIDP and MMN, suggesting a common immune basis.
Area of Science:
- Neurology
- Pathology
- Immunology
Background:
- Multifocal acquired demyelinating sensory and motor neuropathy (MADSAMN) is a rare neurological disorder.
- Autopsy findings for MADSAMN have not been previously documented.
- Understanding the pathological basis of MADSAMN is crucial for diagnosis and treatment.
Observation:
- Two cases of MADSAMN underwent detailed autopsy.
- Histopathological examination revealed multifocal, asymmetric demyelination.
- Axonal degeneration was noted but appeared infrequent.
Findings:
- Autopsy confirmed MADSAMN as an inflammatory polyradiculoplexoneuropathy.
- Histologic features resemble chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) and multifocal motor neuropathy (MMN).
- Evidence supports an inflammatory and demyelinating nature of MADSAMN.
Implications:
- MADSAMN is confirmed as an inflammatory demyelinating polyradiculoneuropathy.
- Shared histological features suggest a similar immunopathogenesis with CIDP and MMN.
- This study provides critical insights into the pathology of MADSAMN, aiding in differential diagnosis and therapeutic strategies.
Related Concept Videos
Diabetic Neuropathy
DefinitionDiabetic neuropathy is nerve damage caused by long-standing diabetes mellitus. It results directly from prolonged high blood sugar levels.PathophysiologyThe pathophysiology of diabetic neuropathy involves both metabolic and vascular disturbances triggered by chronic hyperglycemia.Metabolic injury: Elevated glucose levels activate the polyol pathway within nerve cells, leading to the accumulation of sorbitol and fructose. This increases oxidative stress, disrupts normal nerve...
Multiple Sclerosis l: Introduction
Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...

