家族性少年型进行性脊肌萎缩２例报告黑龙江省神经精神病防治院神经内科薛爱君来历英报道例１，男，１６岁时出现行走下肢乏力，半年后上肢无力．１７岁发现肩肿带、骨盆带肌肉萎缩．１８岁时因四肢无力加重人院．查体：智能正常，颅神经正常．双侧肩肿带，骨盆带，双上臂... Familial juvenile progressive spinal muscular atrophy 2 cases report Neuropsychiatric Prevention Hospital of Heilongjiang Neurology Xue Aijun came from the British reported cases 1, male, 16-year-old walking lower extremity fatigue, upper limb weakness after six months. 17-year-old found shoulder swollen, pelvic muscle atrophy. 18 years old because of weakness aggravated hospital. Physical examination: normal intelligence, normal cranial nerves. Bilateral shoulder swollen belt, pelvic belt, double upper arm ...