Thoracic radiation myelopathy

: In a 62-year-old patient 8 month after radiotherapy for right pulmonary hilus carcinoma signs of thoracis cord involvement with ascending course from Th10 to Th7. Cerebrospinal fluid and myelogram were normal. The patient died after about 12 months. Radiation myelopathy was confirmed by neurohistological examination. The results of experimental studies are quoted which could predict the possibility of early diagnosis of radiation myelopathy by rising level of basic myelin protein in cerebrospinal fluid.