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정인혁 최신의학사 1973 最新醫學 Vol.16 No.7
The variations in origin and course of the common hepatic artery and its branches were observed in 140 Korean adult cadavers. The common hepatic artery arose from the celiac trunk in 93.6% of cases. In almost all instances this artery coursed to the left of the common bile duct. A replacing common hepatic artery was derived from the superior mesenteric artery. It was absent in 5.7% of cases. A normal right hepatic artery was present in 93.6% of the cases. A replacing right hepatic artery frequently arose directly from the celiac trunk and superior mesenteric artery. The location and course of the right hepatic artery are subject to considerable variations. In 82.2% the artery crossed from left to right, posteior to the common hepatic duct. All replacing right hepatic arteries have a characteristic course that passed posterior to the potal vein and common hepatic duct. A normal left hepatic artery was present in 93.6% of the cases. A replacing type of left hepatic artery occurred in 6.4% of the cases. In 5% this artery arose directly from the celiac trunk. An accessory left hepatic artery was encountered with an incidence of 18.8% and all arose from the left gastric artery. A right gastric artery is the most variable branch of the common hepatic artery in origin. Most frequently it arose from the proper hepatic artery (45.7%) and next in order of frequency from the left hepatic, common hepatic and gastroduodenal arteries. A gastroduodenal artery arose from the normal common hepatic artery in 91.4% of cases. A replacing type of gastroduodenal artery was commonly derived from the left hepatic artery (5.7%). The gastroduodenal artery in relation to the common bile duct mostly lie the left of the ductal system and reaching the supraduodenal or retroduodenal portion, this artery crossed the anterior to the duct. There were 163 cystic arteries in 140 specimens. The cystic artery arose from the right hepatic artery in 87. 7% of total number of arteries and in 52.7% arising in the Calot's cystic triangle. The replacing types of the cystic artery derived from the replacing right hepatic artery and the proper hepatic artery were 4.8% and 3.3% respectively. The cystic artery; which arose outside of Calot's triangle, more frequently passed the anterior to the common hepatic duct than the posterior. Doubling of the cystic artery occurred in 16.4% of the cases. These dual cystic arterial branches were most commonly derived from right hepatic artery. In this study it was not found that a specimen had three cystic arteries or cystic artery was lack.
정인혁,이혜연,강재규,이규성 대한신경외과학회 1993 Journal of Korean neurosurgical society Vol.22 No.7
In the microsurgical dissection of the lateral wall of the cavernous sinus. interrelationships of its nerves have been studied in 100 Korean adult half heads. And in the serial coronal section of the cavernous sinus in 10 half heads, the structures of the lateral wall have been studied. The relationships of the nerves of the lateral wall were classified to five types according to the course of the trochlear nerve. Each length of the Parkinson's triangle and the angle between trochlear and ophthalmic nerves were measured. These data were compared with those of the other races. The lateral wall of the sinus was composed of two layers. The orientation of the fibers of the deep layer was variable in regions. The oculomotor nerve was enveloped with sheath extended from dura mater and it was connected with deep layer of the lateral wall. The trochlear nerve was enveloped with sheath formed by division of innermost part of the deep layer. The venous sinus was found between the two layers of the lateral wall. The neurosurgical significance of the lateral wall of the sinus was discussed.
정인혁,김헌주,한용표,장재훈 대한신경외과학회 1980 Journal of Korean neurosurgical society Vol.9 No.2
정상뇌 93예를 부검하여 대뇌동맥륜의 형태학적 연구 및 관찰을 하고 다음과 같은 결과를 얻었기에 보고하는 바이다. 1) 대뇌동맥륜의 정상형태는 전예의 23.7%에서 관찰되었다. 2) 대뇌동맥륜의 진정한 불완전 형태는 10예에서 볼 수 있었으며 전예에서 후교통동맥이 결손된 경우였다. 3) 가장 빈번한 혈관기형은 부속혈관(accessory vessel)이 존재한 경우로 59.1%에서 볼 수 있었으며 주로 전교통동맥 부위에서 관찰되었다. 4) 혈관의 천공화 현상은 전예의 8.6%에서 볼 수 있었고 동맥륜의 전방부위에 이러한 부속혈관의 출현이 보였고 동맥륜의 8.6%의 예에서 지속적인 전뇌 동맥의 뇌량 분지(midline persistent corpus callosum branch)를 관찰할 수 있었다. 5) 내경동맥으로부터 후뇌동맥의 태생기적 유래 형태는 동맥륜의 12.9%의 예에서 관찰되었다. 6) 다발성 혈관 결합형태는 전예의 40.9%에서 관찰되었다. The present study was undertaken in order to determine the anatomical structures of the circle of Willis, with the purpose of learning its normal configuration, the frequency of deficient or incomplete circles, and, if possible, how these findings could be correlated with the clinical problems of vascular disease, such as infarcts, aneurysms, and other vascular anomalies.