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J Korean Radiol Soc. 1976 Dec;12(2):291-298. Korean. Original Article.
Kim HK , Yoon IS , Choi BS , Park CY .

On the basis of cerebral angiographic findings, 112 cases of intracranial aneruysm were analysed. In most ofthem, cerebral angiographies were done due to suggestion of subarachoid hemorrhage clinically and in some, due tosuspicion of cerebral tumor or head trauma. 1.The sex and age distribution of 112 cases of intracranial aneruysmswere as follows; The incidence of male was 44.6% and that of female 55.4%. The peak frequency(17.9%) in the malewas 40 to 49 years un that(17.0%) in the female 50 to 59 yrs. 2. The incidence of multiple aneruysm was 10.8%. 3.The locations of intracranial aneruysms were as follows; Ant. comm. art. account for 34.8% the regions of post.comm. art. for 23.5%, the main braching region of middle cerebral art. for 17.4% and the bifercating region of it.carotid art. for 7.8%. 4. The shape of intracranial aneruysms were most frequent in saccular shape(77.0%), next indumb-bell shape(17.7%) and in fusiform(5.3%). The saccular shapes were relatively frequent in the aneruysms ofpost. comm. art. 5. The relationship of the size of intracranial aneruysm and age or blood pressure were thatrelatively big sized aneruysms(7-19mm) were frequent after the age of 30 yrs. old and in the patients with highblood pressure. 6. The vascular spasms in the ruptured or symptomatic intracranial aneruysms were almost seen onthe same side of the aneurysms, and occure in about 20% at the site of proximal or distal to the aneruysms locallyor entire main and peripheral branches on the same side of the lesions diffusely without great difference in thetwo groups, however diffuse spasm distal to the aneruysms occured in the incidence of 19.7% of rupture cases andof 3.0% in only symptomatic cases. 7. The early filling of meningeal artery of poor filling of peripheral brancheswhich were suggestive of increased ICP were some what moreprominent in the ruptured aneurysms than in thesymptomatic aneruysms. 8. The changes of cerebral angiographic findings by cerebral hemorrhage, cerebral edema andthe formation of hematoma were as follows; Ant, cerebral art. shifting accounts for 24.6%, middle cerebral art.shifting for 16.4%, dye leadkage for 11.5%, Lenticulostriate art. shifting for 9.8%, venous angledistortion ofshifting for 3.3%, abnormal vascular staninign for 1.6% and avascular area for 1.6%.

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