Lectures on nervous diseases from the standpoint of cerebral and spinal localization, and the later methods employed in the diagnosis and treatment of these affections . 368 LECTURES ON NERVOUS DISEASES. of the right arm and panilysis of the left leg, wliicli passed away after alapse of a few weeks. If the inflammatory process is not sntliciently severe to prevent therecovery of the cells attacked, the spinal cord may exhil)it no evidencesafter death of destructive processes. Etiology.—This disease is commonly described as of three varieties. the acute, subacute, and clironic. It is more commo


Lectures on nervous diseases from the standpoint of cerebral and spinal localization, and the later methods employed in the diagnosis and treatment of these affections . 368 LECTURES ON NERVOUS DISEASES. of the right arm and panilysis of the left leg, wliicli passed away after alapse of a few weeks. If the inflammatory process is not sntliciently severe to prevent therecovery of the cells attacked, the spinal cord may exhil)it no evidencesafter death of destructive processes. Etiology.—This disease is commonly described as of three varieties. the acute, subacute, and clironic. It is more common in children than in adults, although the chronic variety is less frequently observed duringchildhood than the /I Fig. 98.—Profile View of same case, showing atrophy op Deltoid Region, theAltered Position of the Right Scapula, and the Wasting of the Right Arm. The infantile variety has been known to follow exposure to cold ordampness, overfatigue of the muscles, some forms of blood-poisoning(such as eruptive fevers, diphtheria, lead-poisoning, etc.), dentition, andtraumatism. Some cases develop from imi)erfectly understood generally occurs before the second year,—seldom later than the seventh3ear. It is most common among boys. The adult variety seems to be excited chiefly by exposure to cold ordampness and overexertion. Lead-poisoning is said to sometimes exciteit. Debilitv, convalescence from fevers, malaria, pneumonia, etc., are INFLAMMATION OF CELLS OF ANTERIOR HORNS. 369 mentioned by authors as among its fixctors of causation. It ma^ developbetween the ages of twenty and fifty years. One of my patients ( and 100) was so affected (after severe exertion and excessive in-


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