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1临床资料48例中,男38例,女10例;年龄1～12岁,其中1～3岁35例,4～7岁9例,8～12岁4例。金属类异物41例,其中有扁圆形金属板、硬币各8例,球形钢珠、钮扣样电池、铁钉各3例,发卡、图钉、弹簧、钥匙、五角星、裤钩、顶针、易拉罐环各2例。动、植物类异物4例,其中猪骨片、鸡骨片、枣
1 Clinical data 48 cases, 38 males and 10 females; aged 1 to 12 years, of which 35 cases of 1 to 3 years old, 9 cases of 4 to 7 years old, 8 to 12 years old in 4 cases. There were 41 cases of metal foreign bodies, including oblate metal plate, 8 cases of coin, 3 balls of spherical steel ball, button-like battery and iron nail, card issuing, push pin, spring, key, pentagram, trousers hook, Ring in 2 cases. Animal and plant foreign body 4 cases, including pork bone slices, chicken bone slices, dates