. A treatise on the nervous diseases of children : for physicians and students. of de-generation is present in its typicalform in most of the muscles belowthe patella, the galvanic excitabilityof the peroneal nerve being entirelylost. It also shows changes in elec-trical behavior in nerves of the upperextremities, since the responses ofthe ulnar and median nerves weremarkedly diminished. Comparing the historiesof the two brothers, it wasnoted that they resembleeach other very closely asregards the first appearanceof the symptoms and themanner in which the diseasespread from muscle to mus-cle ;
. A treatise on the nervous diseases of children : for physicians and students. of de-generation is present in its typicalform in most of the muscles belowthe patella, the galvanic excitabilityof the peroneal nerve being entirelylost. It also shows changes in elec-trical behavior in nerves of the upperextremities, since the responses ofthe ulnar and median nerves weremarkedly diminished. Comparing the historiesof the two brothers, it wasnoted that they resembleeach other very closely asregards the first appearanceof the symptoms and themanner in which the diseasespread from muscle to mus-cle ; but there were alsocertain differences, such asthe more marked electricalchanges in the youngerbrother and the greater in-volvement of the upper ex-tremities in him, than in theolder boy. In the youngerbrother the disease was morefully developed in every re-spect than in his older broth-er ; but such variations as occurred were within a reason-able limit and will serve to show to what extent variationsmay occur in persons undoubtedly suffering from the sametype of Fig. 102.—The Younger of the TwoBrothers (see Fig. loo) after SecondOperation, showing Correction of De-formity of Feet, Marl;ed Atrophy ofLegs, and Incipient Atrophy of Musclesabove Elbow and around the ShoulderGirdle. 416 THE NERVOUS DISEASES OF CHILDREN. In addition to tlie symptoms which these boys have exhibited, it is inter-esting to note that Vizioli has reported the occurrence of amaurosis in asimilar case, due to an optic-nerve atrophy. This symptom would supportthe argument in favor of the nerve origin of the disease. Furthermore wemay insist on the fact that hypertrophy has not been recorded in any case,and that fibrillary movements seem to occur in some. Thomson and Bruce have reported an interesting case of a progressivemuscular atrophy in a child ; but they xiave not attempted to classify it underany special type. The disease began in the lower extremities, and graduallyextended to the upper
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1895
