目的：探讨冠状位CT在慢性副鼻窦炎诊断、病因分析及对鼻内窥镜手术的价值。
Objective To investigate the value of coronary CT scan for the diagnosis, pathogenic analysis of sinusitis paranasales and the sinoscopic operation.
结果颅鼻沟通瘤25例，其中鼻腔、副鼻窦与颅腔沟通者10例，鼻咽部与颅内沟通者15例。
Result Among the 25 cases, 10 cases were intracranial tumors invading nasal cavity and paranasal sinus, the rest 15 cases were intracranial tumors invading nasopharynx part.
粘液囊肿是副鼻窦内一种包裹性，膨胀性囊性病变，是由于鼻旁窦窦口被阻塞所引起。
Mucoceles are encapsulated, expansile fluid collections in the paranasal sinuses which occur due to obstruction of a paranasal sinus ostium.
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