. Some points in the surgery of the brain and its membranes . l if not supported, but inwalking does not describe zigzags, and does notstagger like a patient with a cerebellar authors, for example Bruns, look upon thecondition as due to paresis of muscles of thetrunk and neck. Mills describes a case in whichthe ataxia of the fore limb might be consideredas due to loss of the power of attention, thepatient being unable to convey food to themouth with any certainty. Grainger Stewarthas recently pointed out that a fine vibratorytremor may occur in the extended homolateralupper limb, a
. Some points in the surgery of the brain and its membranes . l if not supported, but inwalking does not describe zigzags, and does notstagger like a patient with a cerebellar authors, for example Bruns, look upon thecondition as due to paresis of muscles of thetrunk and neck. Mills describes a case in whichthe ataxia of the fore limb might be consideredas due to loss of the power of attention, thepatient being unable to convey food to themouth with any certainty. Grainger Stewarthas recently pointed out that a fine vibratorytremor may occur in the extended homolateralupper limb, and that the epigastric and ab-dominal reflexes may be absent on the contra-lateral side. The headache in a frontal lobetumour may in some part of the course of thecase be occipital in site. Some frontal tumoursfulminate with fearful headache : in one case OF TUMOUR OF THE BRAIN 315 seen by me the man, groaning in pain, sat upcontinually in bed holding his forehead withboth hands, and with the body bowed forwardstill the head touched the bedclothes. The per-. FiG. 166.—Glioma of frontal lobe. Microscopic section by Dr. Gordon Holmes. The upper figure shows the highly cellular nature of the growthand the well-formed blood-vessels. At one part of the tumour (see lower figure) some inter-cellular tuberculas were found, but these did not stain red with the van Giesonstain. The well-formed walls of the blood-vessels and the non-staining property ofthe intercellular substance prove the tumour to be a glioma, not a sarcoma. sistent headache of tumour is quite unlike thetransient headache sometimes associated withidiopathic epilepsy. It may again be noted thatepilepsy may occur from irritation arising in anypart of the cortex, and not simply from irritation 3i6 SOME POINTS IN THE SURGERY of the motor area; that it occurs in hysteria andidiopathic epilepsy, and in many gross lesionsother than tumour. When tumour involves theorbital surface of the frontal lobe, symptomsreferable to pres
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