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小儿前囟门应在1岁半前关闭,超过此期未闭属囟门迟闭。有的小儿已2岁多了囟门还未闭合,家长很是着急。囟门迟闭最常见的原因是维生素D缺乏性佝偻病(俗称软骨
Children before the fontanelle should be closed at 1 year and a half ago, more than this period is not closed fontanelle closed. Some children have more than 2 years old fontanel has not closed, parents are in a hurry. Fontanelle delayed closure is the most common cause of vitamin D deficiency rickets (commonly known as cartilage