Materials and Methods The radiological features, clinic and pathological data of 5 patients with bone PNETs were retrospectively analyzed.
资料与方法搜集5例骨原始神经外胚叶肿瘤的影像及临床、手术病理资料，分析其影像学表现。
BACKGROUND: Benign and malignant pancreatic neuroendocrine tumors (PNETs) are rare, and long-term outcome is generally poor without surgical intervention.
背景：良恶性的胰腺神经内分泌肿瘤(PNETs)均罕见，如不行手术治疗，则其远期效果欠佳。
Conclusion The osteolytic lesion and a large soft tissue mass are common radiological appearances of bone PNETs and calcification and regional lymphadenopathy are rarely seen.
结论溶骨性骨破坏和巨大软组织肿块是骨原始神经外胚叶肿瘤的常见影像学表现，病灶内钙化和局部淋巴结肿大少见。
Conclusion The osteolytic lesion and a large soft tissue mass are common radiological appearances of bone PNETs and calcification and regional lymphadenopathy are rarely seen.
结论溶骨性骨破坏和巨大软组织肿块是骨原始神经外胚叶肿瘤的常见影像学表现，病灶内钙化和局部淋巴结肿大少见。
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