[Variants in the onset and development of the clinical manifestations of brain tumors].

A retrospective analysis of clinical manifestations of verified brain tumors in 1542 patients showed that the onset of the disease was acute in 5.8%, subacute in 12.3% and gradual in 81.9% while its further course was progressing in 60.5%, progression in 26.9%, remittent in 10.4% and even relatively stable in 2.2%. In 70.4% of the cases the brain tumor developed according to the classic "blastomatous" variant while in the remaining cases it developed atypically, i. e., as an inflammatory (13.1%) or vascular (10.7%) cerebral process, epilepsy (3.3%) or the syndrome of intracranial hypertension without focal symptoms (2.5%). or the syndrome of intracranial hypertension without focal symptoms (2.5%).