A treatise on orthopedic surgery . Congenital cerebral diplegia (idiocy). Paealysis Acqijieed aftee Bieth. 1. Meningeal hemorrhage—very seldom intracerebral. Em-bolism : thrombosis in marantic conditions, and occasionallyfrom syphilitic endoarteritis. Results of these vascular lesions:cysts; softening; atrophy; sclerosis, diffuse and lobar. 2. Chronic meningitis. Paealysis Occueeing duei:ng Laboe. Meningeal hemorrhage—very seldom intracerebral. Pesult- ^ Sachs, jSTervous Diseases of Children. 652 OBTHOPEDIC SUEGEBY. ing conditions : meningoencephalitis chronica ; sclerosis; cysts;atrophies; po
A treatise on orthopedic surgery . Congenital cerebral diplegia (idiocy). Paealysis Acqijieed aftee Bieth. 1. Meningeal hemorrhage—very seldom intracerebral. Em-bolism : thrombosis in marantic conditions, and occasionallyfrom syphilitic endoarteritis. Results of these vascular lesions:cysts; softening; atrophy; sclerosis, diffuse and lobar. 2. Chronic meningitis. Paealysis Occueeing duei:ng Laboe. Meningeal hemorrhage—very seldom intracerebral. Pesult- ^ Sachs, jSTervous Diseases of Children. 652 OBTHOPEDIC SUEGEBY. ing conditions : meningoencephalitis chronica ; sclerosis; cysts;atrophies; porencephalies. 3. Hydrocephalus. 4. Primary encephalitis (Strlimpell). General Symptoms Motor.—The effect of the lesion of the hrain and of the secondary changes in the anterior pyramidal Fig. Spastic paraplegia. tracts of the cord is to impair the voluntary control of the limbssupplied from the affected area, and at the same time the in-hibition of the higher centres is impaired or lost. Thus, to-gether with the loss of power, there is a corresponding exaggera-tion of the reflexes causing a spastic rigidity of the limbs vary-ing with the degree of voluntary control. This induces distor-tion, Avhieh finally becomes fixed by the adaptive changes in the DISEASES OF THE NERVOUS SYSTEM. 653 tissues. As the centres for the nutrition of the paralyzed partsare not involved, the muscles do not waste and the circulationis but little affected. Thus the atrophy as compared with par-alysis of spinal origin (anterior poliomyelitis) is comparativelyslight, and this, together with the retardation of growth, is duerather to the general effects of the disease and to the loss offunction than to the direct influence of the nervous lesion. Mental.—In this form of paralysis the lesion is of t
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