. Contributions from the Department of Neurology and the Laboratory of Neuropathology (reprints). e face. Tactile sensation can not be testedanywhere because of the mental state. He partially under-stands what is said to him. The neck muscles are distinctlyrigid. The right upper limb appears to be completely par-alyzed; pricking with a pin in this limb causes some movementof the left upper limb, but none of tlie right upper limb, andthe pricking is not correctly localized. The right upper limbseems to have impaired sensation. The biceps and tricepsreflexes are about normal in the left upper li


. Contributions from the Department of Neurology and the Laboratory of Neuropathology (reprints). e face. Tactile sensation can not be testedanywhere because of the mental state. He partially under-stands what is said to him. The neck muscles are distinctlyrigid. The right upper limb appears to be completely par-alyzed; pricking with a pin in this limb causes some movementof the left upper limb, but none of tlie right upper limb, andthe pricking is not correctly localized. The right upper limbseems to have impaired sensation. The biceps and tricepsreflexes are about normal in the left upper limb, but somewhatexaggerated in the right up]ier limb. Testing with a feeding- 17 cup seems to indicate that the man has riffht patellar reflex is much diminished on the left side andis normal on the right side. The Achilles-tendon reHex isjn-ompt on each side. The right lower limb seems to be com-pletely paral3zed. Pin-prick causes no movement of this limb,but probably causes some sensation of pain, as the man moveshis left limlis as though he were in discomfort, and vet iiain. Fig. 3.—Case 3. Glioma occupying the entire pons. sensation api)ears to be diminished in the right lower Babinski reflex is not obtained on the right side, the toesnot being moved in either direction; it is probably present,though somewliat tuicertain on the left side. Leucocvtes were12,400. Course of Disease.—The important features of this case werea gradually developing right hemiplegia, probably right IS liypalgesia, right hemianopsia, rigidity of the neck, a tempera-ture that varied from 100 to 101, and the absence of ocularchanges. Dr. Martin performed an exploratory operationApril 28. Nothing abnormal was found. The right upperlimb moved in response to electrical stimulation in the motorarea. The man died April 30. Autopsy.—A tumor occupied the greater part of the lowerhalf of the left occipital lobe. It extended almost to the innercapsule and had the appearance of an


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