Abstract
Seventy-one cases of hypertensive thalamic hemorrhage were studied with special reference to neurological symptoms and extention of the hematoma on CT.
The patients were classified into three groups according to CT findings; thirty cases had hematomas localized in the thalamus, twenty had small intraventricular hematomas and twenty-one had large intraventricular hematomas.
All the patients with intraventricular hematoma showed the neuro-ophthalmological manifestations which were described by Fisher; Mitotic pupils, anisocoria, absence of light reflex and downward ocular deviation. Among them. anisocoria that the pupil on the side of hemorrhage was larger was considered to be a poor prognostic sign.
Twenty-two patients were able to move their fingers although they were not able to move their shoulder or elbow joint in the early stage, and/or their hemipareses were improved from the distal portion of the extremities in advance of the proximal portion in the stage of recovery. This type of hemiparesis was previously unrecognized in the patients with thalamic hemorrhage and we would propose to call it “thalamic hemiparesis”.
