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胰岛细胞瘤分为功能性及无功能性两大类.无功能性者临床上极为罕见.朱预等于1979年曾报告无功能性胰岛细胞瘤8例,但未提及超声检查。1978年Good报道两例无功能性胰岛细胞瘤的超声与放射线表现,国内尚未见系统报告。1981年～1986年作者对10例无功能性胰岛细胞瘤进行了超声检查.其中男性8例,女性2例,年龄23～60岁之间。由于本瘤多为良性,生长缓慢,长到相当大时,才引起压迫症状。
Islet cell tumors are divided into two categories: functional and non-functional. Non-functional persons are extremely rare clinically. Zhu Zhu equaled 8 cases of nonfunctioning islet cell tumor in 1979, but did not mention ultrasound examination. In 1978 Good reported two cases of non-functioning islet cell tumors with ultrasound and radiographic appearances, which have not been systematically reported in China. From 1981 to 1986, the authors performed ultrasound examinations on 10 cases of nonfunctioning islet cell tumors. Among them, there were 8 males and 2 females, aged between 23 and 60 years old. As this tumor is mostly benign, it grows slowly and grows to considerable pressure before it causes symptoms of compression.