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1·Osteal stenosis at frontal sinus orifice in 21 cases(9.4%).

额窦自然开口狭窄者21侧（9·4%）。

2·We describe a frontal sinus stent which is cheap, easily produced and effective.

我们描述一种有效的额窦斯滕特固定模，该模价格便宜，易于制造。

3·Two kinds of buffalos' frontal sinus are the thin-shell constitution as an arch bridge.

两种类型水牛额窦内部都呈拱桥式薄壳结构。

4·Objective To explore the clinical characteristic and surgery method for frontal sinus osteoma.

目的探讨额窦骨瘤的临床特点和手术方法。

5·The anterior skull base tumors were resected by craniofacial approach through posterior wall of frontal sinus.

累及前颅底者采用经额窦后壁入路的颅面联合手术切除方法；

6·Frontal sinus obliteration is often employed as a last resort, but this procedure has potential long-term complications.

额窦堵塞术是最后的选择，但该术式有可能导致远期并发症。

7·Objective: To discuss the reason and the treatment method of frontal sinus mucocele caused by neurofibroma of the frontal sinus.

目的：探讨额窦神经纤维瘤致额窦黏液囊肿的原因及治疗方法。

8·This study is aimed at probing in the classifications, items and the numericcodes based on the digital X-films of frontal sinus .

本研究旨在于进一步探究额窦的数字X线影像学分型和同一认定的指标及数字编码。

9·METHODS: we retrospectively reviewed all patients who had previously undergone endoscopic frontal sinus surgery and had persistent sinusitis.

方法：回顾性的调查了所有曾经做过鼻内镜额窦手术并且患有持续性鼻窦炎的患者资料。

10·Results Paranasal sinus malignant tumor root mainly in maxillary sinus 17 cases (54.8%), then ethmoid sinus 10 cases (32.3%), and frontal sinus 4 cases (12.9%).

结果：鼻窦恶性肿瘤多原发于上颌窦17例(54.8%)，其次是筛窦10例(32.3%)和额窦4例(12.9%)。