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[Neurogenic muscle hypertrophy: 3 cases]
D Deffond1, P Clavelou, R Colamarino
1Service de Neurologie, Hôpital Nord Cébazat, Clermont-Ferrand.
Revue Neurologique
|April 1, 1996
Summary
Neurogenic muscular hypertrophy can occur after nerve injuries or conditions like radiculopathy and neuropathy. Abnormal electrical activity in nerves, such as repetitive discharges and fasciculations, may explain this muscle growth.
Area of Science:
- Neurology
- Clinical Neuroscience
- Muscle Physiology
Background:
- Neurogenic muscular hypertrophy is a rare condition.
- It is characterized by an increase in muscle size due to nerve-related issues.
- Understanding its pathophysiology is crucial for diagnosis and management.
Observation:
- Case 1: Calf hypertrophy following S1 radiculopathy.
- Case 2: Tibialis anterior hypertrophy after common peroneal nerve injury.
- Case 3: Global leg muscle hypertrophy post-intensive care/legionella neuropathy.
Findings:
- The study reports three distinct cases of neurogenic muscular hypertrophy.
- Abnormal electrophysiological activities, including complex repetitive discharges and fasciculations, were observed.
- These findings align with previous literature suggesting a link between abnormal nerve activity and muscle hypertrophy.
Implications:
- Abnormal electrophysiological activities are a consistent finding in neurogenic muscular hypertrophy.
- This suggests a potential mechanism involving aberrant nerve signaling.
- Further research into these electrophysiological phenomena could elucidate the condition's development.