象吉尔一样，有许多人在发生骨折前还不知道自己得了骨质疏松症，或许他们可能会发现自己变矮了。
Like Jill, many people do not know they have osteoporosis unless they break a bone. Or, they may find that they are getting shorter.
目的利用鼻中隔和下鼻道黏骨膜瓣对前颅底部分骨质缺损和脑脊液鼻漏进行修补的研究。
Objective To investigate the neoplasty of cerebrospinal rhinorrhea by means of mucoperiosteal flap of nasal septum and inferior nasal meatus.
窦壁骨质若被广泛破坏，窦前、后脂肪层浸润和肿块侵及窦周围结构等均提示为恶性病变。
If the sinus walls were extensively destroyed, the anterior or posterior fat pat and adjacent structures were involved by soft tissue mass, the lesion was probably malignant.
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