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乙狀結腸
兒童疾病

        結腸的一部分,在左髂嵴平面與降結腸相連,至第三骶椎平面續于直腸,位于左腹下部及小骨盆內,呈“乙”狀或“S”形彎曲,正常人除腹壁過厚者外,在左下腹可以觸及,呈光滑、稍硬的圓桶狀,粗細如蠟燭,小兒因年齡的不同而粗細不等,無壓痛。乙狀結腸可發生炎癥和腫瘤,小兒少見。不能觸診時,可做乙狀結腸鏡    (共 146 字)     [閱讀本文] >>

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