全部肿瘤边缘呈分叶状。
肿瘤边缘呈分叶状，2例患者显示中鼻甲或上颌窦内侧壁骨质吸收。
The surface configuration of the tumors was lobulated, and 2 cases showed bony absorption of the middle turbinate or the maxillary sinus.
毛细血管腔内充满了中性粒细胞，它们的核呈分叶状，还可见细胞浆内的颗粒。
The capillary lumen is filled with a PMN whose nuclear lobes and cytoplasmic granules are visible.
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