The anatomic variations of different types and their relationship with the chronic frontal sinusitis were discovered.
发现不同类型的解剖变异与慢性炎症的关系。
Objectives to analyse the cause of frontal sinusitis after transfrontal craniotomy and to explore the methods of pre-venting and treating it.
目的分析经额开颅术后出现额窦炎的原因，探讨其防治措施。
Objective to study the anatomic features of frontal drainage system on ct scan in chronic frontal sinusitis, and to evaluate its clinical value.
目的探讨慢性额窦炎额窦引流系统CT解剖特征及临床价值。
Methods 50 cases(70 sides)who underwent tran- nasal endoscopic frontal surgey for chronic frontal sinusitis were divided into two groups randomly.
方法慢性额窦炎行功能性鼻内镜额窦手术患者50例（70侧）。
Conclusion Appropriate treatment aimed at different frontal sinusitis in degree and in period when it occurred after transfrontal craniotomy is a reasonable maneuver.
结论针对不同时期、不同程度的开颅术后额窦炎，采用不同的治疗措施，是处理该类病人的合理方式。
No difference of chronic frontal sinusitis number in various pneumatized types was found, but the difference of chronic anterior ethmoid sinusitis and maxillary sinusitis number was significant.
不同中鼻甲气化类型之间慢性额窦炎的数量差异无统计学意义，慢性前组筛窦炎及上颌窦炎的数量差异有统计学意义。
Purpose: to report a case of exophthalmos related to frontal and ethmoid sinusitis with subperiosteal abscess.
目的：报告一个因额窦与筛窦鼻窦炎及骨膜下脓疡而引起的突眼症病例。
Pott's puffy tumor is defined as scalp swelling due to subperiosteal abscess resulting from osteomyelitis of the frontal bone secondary to bacterial sinusitis.
由于细菌性副鼻窦炎导致额骨骨髓炎形成骨膜下脓肿进而导致的头皮脓肿称为波特氏头皮肿胀。
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。
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。
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