[The pseudotumorous course of ischemic myelopathies].

Study of 36 cases of ischemic myelopathy following a pseudotumorous course and 30 cases of spinal cord tumors revealed similarity and differences in the clinical manifestations which should be taken into account in differential diagnosis. Authentic differences in the content of serotonin and its metabolites in the cerebrospinal fluid and blood of this group of patients are pointed out.