That neoplasms of the brain may give rise to disorder of parts of that organ far distant from the actual site of the growth, due to distortion, edema, pressure, internal hydrocephalus, or other reasons, is well known. To such an extent is this true that it may be difficult to determine even whether the tumor lies above or below the tentorium. Thus, certain signs and symptoms generally associated with lesions of the cerebellum may be produced by destructive injuries of the cerebrum. Bruns1 long ago called attention to ataxia with tumors of the frontal lobes in the absence of disturbance of voluntary motion, of muscular sense or of the reflexes. A certain amount of passivity also may be found in these cases. Injuries to the parietal lobe may cause some dysmetria, asynergia, and passivity in the extremities of the opposite side of the body; they may even cause past
BAILEY P. CONCERNING THE CEREBELLAR SYMPTOMS PRODUCED BY SUPRASELLAR TUMORS. Arch NeurPsych. 1924;11(2):137–150. doi:10.1001/archneurpsyc.1924.02190320031004
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