(1) Cases in which the tumour can be accurately diagnosed.
(2) Cases in which the tumour is situated in an accessible position. The more favourable sites are the surface of the cerebrum, the lateral lobe of the cerebellum, and the cerebello-pontine angle.
(3) Cases in which there is reason to believe that the tumour is simple, and of such a nature that it can be removed from its bed.
(4) Cases in which there is reason to believe that the removal of the tumour will not greatly imperil the patient’s life, and, furthermore, will not result secondarily in the development of fits, paralysis, aphasia, &c.
For the palliative operation.
The following are the main indications for operation:—
To prolong life.
To alleviate the severe and persistent headache.
To stop fits.
To save the sight.