局灶型（占46.7%）仅表现为局部淋巴结肿大，病理形态学多表现为透明血管型，手术切除肿大淋巴结后治愈。
The unicentric CD(46.7%) just presented with local lymphadenopathy and was classified as the hyaline vascular type. The patients were cured by surgical resection of lymph node.
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.
鼻咽结核以局部症状为特征，颈淋巴结肿大发生率为79.2%（57/72）；
The incidence of lymph node swelling in cervix was 79.2%(57/72).
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