其原因以颅内先天性动脉瘤内最多见。
Its reason in the congenital aneurism sees most much by the skull in.
结果：动脉瘤病因学主要包括：先天性因素、获得性病变及综合学说。
Results: the major causes of aneurysm included congenital factors, acquired diseases and compositive theory.
主动脉窦动脉瘤是非常少见的，可以是先天性或后天性的。
Introduction Valsalva sinus aneurysms are rare and can be either congenital or acquired.
颈内动脉岩段动脉瘤可以是创伤或真菌感染所致，但在大多数病例中，没有明确的病因，通常被认为是先天性。
Petrous ICA aneurysms can be traumatic or mycotic in origin, but in the majority of cases, there is no obvious cause, and such lesions are considered congenital in origin.
其中真性动脉瘤例（ ％），假性动脉瘤8例（ ％），浅表先天性动静脉瘤例（％）；
Among them, cases( %) showed true aneurysm, 8 cases ( %) pseudoaneurysm, and cases (%) superficial congenital arteriovenous aneurysm.
其中真性动脉瘤例（ ％），假性动脉瘤8例（ ％），浅表先天性动静脉瘤例（％）；
Among them, cases( %) showed true aneurysm, 8 cases ( %) pseudoaneurysm, and cases (%) superficial congenital arteriovenous aneurysm.
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