Organic and functional nervous diseases; a text-book of neurology . are more liable than young persons. Symptoms. — If the neuritis is limited to the upper four cervicalnerves a very intense occipital neuralgia is produced. The pain runsup the back of the neck and over the head as high as the vertex, andis attended by extreme sensitiveness of the great occipital nerve topressure ; by tingling and numbness, and by difficulty in the movementof the head because of the pain produced by motion. The head isoften held stiffly on this account. Occasionally the hair of the scalpcomes out. There is some
Organic and functional nervous diseases; a text-book of neurology . are more liable than young persons. Symptoms. — If the neuritis is limited to the upper four cervicalnerves a very intense occipital neuralgia is produced. The pain runsup the back of the neck and over the head as high as the vertex, andis attended by extreme sensitiveness of the great occipital nerve topressure ; by tingling and numbness, and by difficulty in the movementof the head because of the pain produced by motion. The head isoften held stiffly on this account. Occasionally the hair of the scalpcomes out. There is sometimes a weakness or paralysis of the deepcervical muscles. If the neuritis is limited to the fifth and sixth cervical nerves ortheir branches in the plexus, pain is very intense in the neck above theclavicle, and is felt over the shoulder and in the axilla and down theback of the arm, and even into the forearm, and the paralysis affectsthe deltoid, biceps, coracobrachialis and supinator muscles, iyV, W, Keen, Amer. Jour. Med. Sci,, Feb., 1907,174 Neclc muscles. CEEVICO-BBACHIAL NEUEITIS. 175 If the lower cervical nerves and the first dorsal nerve are the seatof the neuritis the pain ^nd tenderness are very intense over the clav-icle, and the pain is felt down the front of the arm over the entireforearm and in the hand and fingers, and the paralysis aifects themuscles of the forearm and hand. It is to be remembered that the spinal origin of the sympatheticnerve in the neck is in the last cervical and first dorsal segmentsof the spinal cord, and the anterior nerve roots coming from thesesegments contain the fibres passing to the cervical nerve fibres leave the main cervical nerves soon after their exitfrom the vertebral foramina and ascend, lying deeply beneath themuscles. In the majority of cases of neuritis of the lower part of thebrachial plexus they are not involved, but occasionally, if the inflam-mation extends deeply through the spinal nerve roots, or i
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