Spontaneous and initiated by hydrogen peroxide chemiluminescence was evaluated before and after freezing of the CSF from 20 patients with various spinal tumors and 10 controls with intervertebral lumbar osteochondrosis. The intensity of the above chemiluminescence was found significantly different in tumors and osteochondrosis. Cryotreatment induced marked changes in CSF chemiluminescence, especially in extramedullary spinal tumors. CSF treatment with hydrogen peroxide entailed alterations in free radical oxidation which can serve an additional criterion in combined diagnosis of spinal cord tumors.
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