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[Late post-irradiation cervical spinal cord disease. A case]
1Service de neurologie, hôpital d'instruction des armées Sainte-Anne, Toulon Naval, France.
La Revue De Medecine Interne
|January 1, 1994
Summary
Delayed progressive radiation myelitis (DPRM) can occur months after cancer treatment. Early recognition and corticosteroid therapy may improve symptoms, but prevention through precise radiation techniques is crucial.
Area of Science:
- Neurology
- Radiation Oncology
- Oncology
Background:
- Delayed progressive radiation myelitis (DPRM) is a rare but serious complication following radiation therapy.
- Naso pharyngeal carcinoma treatment can lead to delayed neurological sequelae.
Observation:
- A case report details DPRM onset 11 months post-nasopharyngeal carcinoma radiation in a young male.
- Initial symptoms included Brown-Sequard's syndrome, progressing to complete myelopathy without significant pain.
Findings:
- Magnetic resonance imaging (MRI) visualizes spinal cord changes but may not definitively distinguish radiation necrosis from tumor recurrence.
- DPRM diagnosis requires exclusion of other causes based on clinical presentation and disease course.
- Corticosteroid therapy demonstrated significant symptom remission.
Implications:
- Effective management involves prompt diagnosis and corticosteroid treatment.
- Prevention is paramount, emphasizing optimal radiation techniques and understanding spinal cord tolerance (time-dose-volume factors).
- Identifying and mitigating risk factors like chemotherapy, age, and vascular disease is essential for patient outcomes.