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Marked lateral deviation of the phrenic nerve due to variant origin and course of the thyrocervical trunk: a cadaveric study


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タイトル: Marked lateral deviation of the phrenic nerve due to variant origin and course of the thyrocervical trunk: a cadaveric study
著者: Ogami, Keiko / Saiki, K. / Okamoto, K. / Wakebe, T. / Manabe, Y. / Imamura, T. / Tsurumoto, Toshiyuki
発行日: 2015年
出版者: Springer-Verlag
引用: Surgical and Radiologic Anatomy, 38(4), pp.485-488; 2016
抄録: Phrenic nerve impairment can often lead to serious respiratory disorders under various pathological conditions. During routine dissection of an 88-year-old Japanese male cadaver, a victim of heart failure, we recognized an extremely rare variation of the right thyrocervical trunk arising from the subclavian artery laterally to the anterior scalene muscle. In addition to that, the ipsilateral phrenic nerve was drawn and displaced remarkably laterad by this vessel. We examined all of the branches arising from subclavian arteries, phrenic nerves and diaphragm muscles. The embryological background of this arterial variation is considered. The marked displacement with prolonged strain had a potential to cause phrenic nerve impairment with an atrophic change of the diaphragm muscle. Recently many image diagnostic technologies have been developed and are often used. However, it is still possible that rare variations like this case may be overlooked and can only be recognized by intimate regional examination while keeping these rare variations in mind.
キーワード: Phrenic nerve / Diaphragm paralysis / Thyrocervical trunk / Subclavian artery / Variation
URI: http://hdl.handle.net/10069/35894
ISSN: 09301038
DOI: 10.1007/s00276-015-1557-x
権利: © The Author(s) 2015. This article is published with open access at Springerlink.com
資料タイプ: Journal Article
原稿種類: publisher
出現コレクション:030 学術雑誌論文

引用URI : http://hdl.handle.net/10069/35894

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