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本病发生于营养不良性肌强直病,是一种遗传性退行性病变。最常发生于20～30岁青少年,为双眼病。笔者遇一家系三代5例患者,且均由本院神经科检查,诊断为“先天性肌强直症”。病例摘要及家系调查例1:孙××,男,75岁,农民,山东聊城市蒋官屯人(与×姓女子结婚,非近亲婚配,生2子),住院号104117。于入院前30年双眼视力开始减退,至入院前1年视物不见,1977年10月17日入院。心、
The disease occurs in malnutrition myotonia, is a hereditary degenerative disease. Most often occurs in 20 to 30-year-old adolescent for binocular disease. I met a family of three generations of five patients, and by the hospital neurology examination, diagnosis of “congenital myotonia.” Case Summary and Pedigree Investigation Example 1: Sun × ×, male, 75 years old, farmer, Jianguantun, Liaocheng City, Shandong Province (married with woman × surname, married with non-relatives, born 2 children), hospital number 104117. Bilateral visual acuity began to diminish 30 years before admission, until 1 year before hospitalization, and was admitted to hospital on October 17, 1977. heart,