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1·A group of ethmoidal cellules were formed among the lacrimal bone, frontal bone and nasal bone.

泪骨，额骨和鼻骨之间围成一个狭长的筛鼻甲窦（部）。

2·Results: Most of the lacrimal fossa (85. 60%) consist of lacrimal and maxillary bones; 0nly a few (14.40%) lacrimal bone or maxillary bone.

结果：泪囊窝多数(85.60%)由泪骨与上颌骨构成，少数(14.40%)由泪骨或上颌骨构成。

3·Shape and margin: Most tumors had an irregular shape with obscure margin, infiltrating around the structures of the eyeball, lacrimal gland, extraocular muscle, optic nerve and (or) bone.

形态边缘：肿瘤形态多不规则，边缘呈浸润状，沿眼球壁、泪腺、视神经、眼外肌、眶隔或眶壁蔓延生长。