肺门、纵隔淋巴结钙化，不肿大。

Hilar and mediastinal lymph-nodes were calcified but not enlarged.

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横轴位图像上观察甲状腺病灶的形态有无钙化、出血、壁结节、淋巴结转移及增强后病灶强化程度。

Results:On the axial images, calcification, hemorrhage, wall nodule, metastatic lymphadenopathy and tumor reinforcement levels after enhancement were observed in thyroid tumors.

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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.

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甲状腺癌均为单发，CT扫描为实性包块，密度不均、偏低，伴有钙化者占50%，伴颈部淋巴结转移者占30%；

For thyroid cancer, all were solitary, plain scan revealed solid mass with uneven density, calcification accounting for 50% and 30%;

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甲状腺癌均为单发，CT扫描为实性包块，密度不均、偏低，伴有钙化者占50%，伴颈部淋巴结转移者占30%；

For thyroid cancer, all were solitary, plain scan revealed solid mass with uneven density, calcification accounting for 50% and 30%;

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