A35-year-oldwomancomplainsofspasmsofexcruciatingpainoftherightcheekandchin
Thesepainepisodeslastforafewsecondsandareintense
Shehadbeendiagnosedwithmultiplesclerosis2yearspreviously
Sheisnottakingmedicationscurrently,althoughshepreviouslyreceivedintravenouscorticosteroidtherapy
Herphysiciansaysthatherproblemisrelatedtothenervethatinnervatestheskinofthecheekarea
therightcheekandchin——右侧的脸颊和下巴lastforafewseconds——持续数秒intense——紧张theskinofthecheekarea——腮部的皮肤multiplesclerosis——多发性硬化intravenouscorticosteroidtherapy——静脉注射类固醇多发性神经病—肢端对称性痛温觉\触觉\振动觉\关节位置觉受损,下肢明显,逐渐向近端发展1
感觉神经损害(1)感觉缺失症状学1
感觉神经损害◙淀粉样变性神经病◙麻风性神经炎◙遗传性感觉神经病选择性◙小神经纤维→分离性感觉缺失分离性感觉缺失(痛温觉受损\触觉保留)通常提示脊髓损害(2)感觉缺失症状学神经痛(neuralgia)如刀割样挤压样电击样疼痛1
感觉神经损害(3)疼痛单神经病可见症状学2
运动神经损害(1)运动神经刺激症状1
下运动神经元损伤2
某些正常人可出现症状学①肌束震颤(fasciculation)肌肉静息时运动单位自发放电→肌肉