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Syndactyly of the Hand
並指畸形
Overview(概述)
This condition is a common congenital anomaly of the hand. It occurs when two or more fingers are connected together by skin or tissue. The bones of the fingers may also be fused.
並指畸形是手部常見的先天性異常。它是兩個或多個手指的皮膚或組織連在一起。這些手指的骨骼也可能融合在一起。
Causes(原因)
Syndactyly occurs during the development of the fetus. In most cases, the fingers fail to separate because of a genetic defect. In some cases, syndactyly has also been caused by abnormalities of the womb, and from exposure to toxins in the womb. A baby who has syndactyly may not have any other problems, but this condition can also occur along with other disorders.
並指是在胎兒發育過程中發生的。在大多數病例,這些手指因為基因缺陷而沒能分開。有些病例,並指畸形也可由子宮異常及子宮內毒素暴露引起。患有並指畸形的嬰兒可能沒有其它疾病,但也可與其它疾病合併存在。
Variations(變異)
Syndactyly is characterized by a joining together of one or more fingers. In minor cases, two or more fingers may be connected by only a slight amount of skin. This creates a webbing effect between the fingers. More severe cases may involve the fingers being completely connected by skin or tissue. The fingers may share a single artery or nerve. The bones may also fuse together. The connected fingers may appear as one large digit.
並指以一個或多個手指連接在一起為特徵。在較輕的病例,兩個或多個手指只有少量皮膚連接。這會在手指之間形成蹼狀結構。更嚴重的病例可能涉及各手指間被皮膚或組織完全連接。這些手指可能共有一條動脈或神經。骨頭也可以融合在一起。連在一起的手指表現為一個大手指。
Treatment(治療)
Syndactyly is treated with surgery. If the syndactyly is minor, the surgeon will cut the webbing between the fingers, bandage the hand and place the arm in a cast while it heals. In more severe cases, the fingers will be separated, and a skin graft from another part of the body will be used to help cover the fingers. In some cases, surgery may not be recommended.
並指畸形可通過手術治療。如果並指較輕,術者會將手指間的蹼狀結構切除,包紮手部,在癒合期間將上肢置於石膏內。在更嚴重的病例,術者將手指分開,使用從身體其它部位取下的皮膚移植物覆蓋手指。有些情況不推薦手術。
(胡佰文 譯)
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