Anatomical study of the projection region of the dome of the pleura to the surface of the anterior neck.

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  • 頚部における胸膜頂の体表投影部位に関する解剖学的研究
  • ケイブ ニ オケル キョウマク チョウ ノ タイヒョウ トウエイ ブイ ニ カ

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Abstract

The projection region of the dome of the pleura to the surface of the anterior neck was investigated in 31 domes of 17 cadavers. The point “Tentotsu”, and a line connecting that point and the most lateral edge of the acromion were adopted for a basis of measurement of the projection region. The mean length of the Tentotsu-Acromion line was 185mm on either side of the body. Its upward angle to the horizontal plane was 22° and 23° in average on the right and left sides, respectively, while its backward angle to the frontal plane was 23° on the right and 25° on the left. The right pleural domes (17 cases) were included within a range 0-58mm lateral to the Tentotsu and lower than 44mm above, and on the left side (14 cases), these values were 5-58mm and 49mm, respectively. On the other hand, when adopting the Tentotsu-Acromion line as the basis, the pleural domes were located within the medial one-third of the line. Their summits lay on the point of its medial one-fourth in medio-lateral direction, and were situated at levels lower than about 35 (on the right) or 32mm (on the left) above the line.

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