姐妹共患Ｒｅｔ综合征二例杨保国陈继祥例１女，４岁。因精神运动发育落后伴双手反复揉搓２年就诊。患儿父母、祖父母、外祖母身体健康，无特殊面容。母孕期健康，无风疹史，未接触过放射线。非近亲婚配。第１胎、第１产，足月顺产，无窒息史。１岁前生长发育正常。近２年... Two cases of Sisters comorbid Ret syndrome Yang Baoguo Chen Jixiang Case 1 Female, 4 years old. Because of mental development and backwardness rubbed his hands repeatedly rub 2 years treatment. Children with parents, grandparents, grandmothers healthy, no special face. Pregnancy during pregnancy, no history of rubella, no exposure to radiation. Non-kinship marriage. The first child, the first production, full term spontaneous, no history of asphyxia. 1 year old growth and development of normal. Nearly 2 years ...