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Brain and Nerve No to Shinkei Volume 22, Issue 9 （September 1970）

Brain and Nerve 脳と神経 22巻9号（1970年9月発行）

Japanese English

研究

松果体周辺の血管像 THE PINEAL LESION:ANATOMICAL AND ANGIOGRAPHIC STUDY 神野哲夫 ¹ Tetsuo Kanno ¹ ¹慶応義塾大学医学部脳神経外科 ¹Division of Neurosurgery, Department of Surgery, School of Medicine, Keio University pp.1049-1054

発行日 1970年9月1日 Published Date 1970/9/1

DOI https://doi.org/10.11477/mf.1406202780

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Abstract 文献概要
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　松果体近傍のmass lesionに対し脳血管撮影による局在診断的価値を解析し，より早期診断への可能性を検討した。特に従来比較的省りみられていない後脈絡叢動脈内側枝および内大脳静脈の前後像での左右への離開に注目した。また撮影角度を変えて上記血管の判読を試みた。

Cerebral angiography has been considered to be of little diagnostic value in the localization of thepineal lesion. Pneumoventriculography is therefore generally accepted to be of great importance.

The varietion in the course of the vesseles near pineal body and their correlative relationship to the adjacent structures were studied at autopsy by dis-section and at angiography.

The diagnostic vesseles around the pineal region are the post. choroid. artery medial branch and the internal cerebral vein.

Anatomically, is the post. choroid. artery medial branch divided into the three portions--the brain stem portion, quadrigeminal portion and the third ventricle portion. In the pineal lesion, the quadri-geminal portion is the most diagnostic. The back-ward displacement of this portion has been con-sidered the most diagnostic sign in the pineal lesion. But, this vessel runs close laterally to the pineal body. Therefore, the separation laterally occurs at first rather than the backward displacement appears. The lateral displacement from the midline more than 3 mm is the diagnostic sign of the pineal mass lesion. In the lateral view, if pineal calcification exists, more than 3 mm of the distance between the calcification and the artery, is of great diagnostic value of the pineal lesion.

As far as the internal cerebral vein concerned, is it pointed the more attention should be paid for this vein in A-P view. For this purpose, we have tried to take picture of this vein more longer in films, for example, vertical x-ray beam dirrected through nasion parallel to the orbitomeatal line, venous phase of submetovertex, etc.

Thus, reading carefully the post. choroid. artery medial branch and the internal cerebral vein, the angiography is considerable importance in the re-cognition and localization of the space taking lesion of the pineal region.