AI Article Synopsis
- 31 patients with thalamic glioma underwent pre-tumor resection shunt surgery, showing that 23 had successful outcomes with symptom relief.
- 8 patients experienced worsening neurological symptoms, with issues like drowsiness, hemiparesis, and altered pupillary reflexes.
- The worsening condition may be linked to disrupted intracranial pressure and tumor movements, suggesting that ventricular dilation might be a natural brain defense against cerebrospinal fluid obstruction.
Article Abstract
Thirty one patients with thalamic glioma underwent a pre-tumour resection shunt surgery. The procedure was uneventful in 23 patients with relief from symptoms of increased intracranial pressure. Eight patients worsened after the procedure. The level of sensorium worsened from excessively drowsy state to unconsciousness in seven patients. Three patients developed hemiparesis, 4 developed paresis of extra-ocular muscles and altered pupillary reflexes, and 1 developed incontinence of urine and persistent vomiting. Alteration in the delicately balanced intracranial pressure and movements in the tumour and vital adjacent brain areas could be the probable cause of the worsening in the neurological state in these 8 patients. On the basis of these observations and on review of literature, it is postulated that the ventricular dilatation following an obstruction in the path of the cerebrospinal fluid flow by a tumour could be a natural defense phenomenon of the brain.
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