Two Cases of Delayed Post-radiation Lower Cranial Nerve Palsies
Journal of the Korean Neurological Association
;
: 55-58, 2008.
Article
in Korean
| WPRIM
| ID: wpr-30335
ABSTRACT
Radiation-induced lower cranial neuropathy shows a clinical presentation similar to tumor recurrence or amyotrophic lateral sclerosis. We experienced two patients with bulbar palsies several years after radiotherapy for nasopharyngeal cancer. Brain magnetic resonance imaging showed no evidence of tumor recurrence. Electrophysiologic studies demonstrated mild denervation changes and myokymic discharges in muscles innervated by cranial nerves. Bulbar palsies progressed for 1 year then became stable. We emphasize the importance of myokymic discharges in the differential diagnosis of radiation-induced cranial neuropathy as radiation plexopathies.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Bulbar Palsy, Progressive
/
Recurrence
/
Brain
/
Magnetic Resonance Imaging
/
Nasopharyngeal Neoplasms
/
Cranial Nerve Diseases
/
Cranial Nerves
/
Myokymia
/
Denervation
/
Diagnosis, Differential
Type of study:
Diagnostic study
Limits:
Humans
Language:
Korean
Journal:
Journal of the Korean Neurological Association
Year:
2008
Type:
Article
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