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KMID : 0365819690090010115
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Journal of Pusan Medical College
1969 Volume.9 No. 1 p.115 ~ p.125
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Anatomical Studies on the Arteries of the Brain Base in Korean
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Abstract
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The author studied the states of ramification in the arterial system of the base of the brain using 318 cadavers of the Korean (male 152, female 166) and obtained following results:
1. The internal carotid arteries were present in both sides of all cases, and eculd not observe any
congenital agenesis of the internal carotid artery.
2. The duplication of. the middle cerebral artery was observed in 3 cases of 636 hemispheres.
3. Buttonhole formation of the anterior cerebral artery was seen in 4 cases of 636 hemispheres.
.4. The anterior communicating artery was 66.6%, in normal and 33.4% in abnormal type. The
Arteria mediana corporis callosi was seen in 14 cases of 318 cadavers.
5. Congenital agenesis of the posterior communicating artery was seen in 7 cases and duplication in 3
cases of the 636 hemispheres.
6. According to classification of the posterior cerebral artery, 0. 8% in Type 1, 9. 4% in Type 11 and 98.8% in Type Il( were seen respectively.
7. The difference in size between the both verebral arteries was 5. 4%. It was 3. 7% in right side preponderance and 1.7% in left side preponderance respectively.
Buttonhole formation of the vertebral artery was seen in 4 cases of 604 sides.
8. Congenital agenesis of the posterior inferior cerebellar artery was 5. 7%. It was 4. 3%in right side and 1. 6% in left side respectively.
.9. The origin of the anterior spinal artery was 87.2% in two. branches and 12.8% in single branch. 10. Buttonhole formation of the basilar artery was seen in 5 cases of ? 312 cadavers (1. 6%). 11. The pontine arteries were mostly 3 to 6 in each sides.
12. The anterior inferior cerebellar artery originating independently from the basilar artery was 41.2%, and from the vertebral artery was 6. 1%, 3.5% in right side and 2.6% in left. side respectively.
13. The incidence of the internal auditory artery which was originated from the basilar artery as a common trunk with the anterior inferior cerebellar artery was 37. 8% in :bilateral, and 15. 1% in right side and 9. 0% in left side alone.
14. The incidence of the superior cerebellar artery originating with single branch bilaterally was 70. 4%, and with two branches was 12.6% in the right side, 12. 0% in the left side.
15. The middle cerebellar artery was found in 8 of 314 cases. It :was 2 in right side and 6 in left side respectively.
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