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无功能性胰岛细胞瘤(nonfunctioning islet cell tumors of pancreas,NIT)发病缓慢、病程较长、无特异性临床表现,故不易早期诊断;常出现无痛性或痛性渐大的腹部肿块,活动度小而触痛不明显。近年来诊断为NIT的病例有所增加,可能与影像学、放射免疫技术(RIA)和免疫组织化学染色(IHCS)的广泛用于临床有关。超声引导下组织学活检在NIT术前诊断中具有重要价值。在临床上与胰腺癌比较有相对较好的预后,故早期确诊,手术彻底切除,患者可获得较长生存期,临床医生要重视对NIT的诊断。
Nonfunctioning islet cell tumors of pancreas (NIT) is a slow onset, long course of disease, no specific clinical manifestations, it is not easy to early diagnosis; often appear painless or painful abdominal mass, the degree of activity Small but not obvious tenderness. The number of cases diagnosed with NIT has increased in recent years and may be clinically relevant for imaging, radioimmunoassay (RIA) and immunohistochemical staining (IHCS). Ultrasound-guided histological biopsy is of great value in the preoperative diagnosis of NIT. In clinical and pancreatic cancer has a relatively good prognosis, it is early diagnosis, complete surgical resection, the patient can get a longer survival period, clinicians should pay attention to the diagnosis of NIT.