ObjectiveTo discuss the CT manifestation and clinical significance of rare neoplasm in maxillary sinus, includingmalignant myoepithelioma, angioendothelioma, sarcoma of plasmacyte.

目探讨上颌窦恶性肌上皮瘤、血管内皮瘤及浆细胞肉瘤CT表现及临床意义。

This is the appearance of normal bone marrow smear at high magnification. Note the presence of an eosinophilic myelocyte, a basophilic myelocyte, and a plasma cell.

高倍镜下骨髓涂,可见一性中幼粒细胞，一碱性中幼粒细胞和一浆细胞。