WordNet

a major thoroughfare that bears important traffic
a blood vessel that carries blood from the heart to the body (同)arteria, arterial blood vessel
curved in two directions (like the letter S)
of or relating to the sigmoid flexure in the large intestine (同)sigmoidal

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動脈 / (道路・水路・鉄道などの)勘線,(通信の)主チャンネル

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/09/19 18:21:29」(JST)

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The sigmoid arteries, two or three in number, run obliquely downward and to the left behind the peritoneum and in front of the Psoas major, ureter, and internal spermatic vessels.

Their branches supply the lower part of the descending colon, the iliac colon, and the sigmoid or pelvic colon; anastomosing above with the left colic, and below with the superior hemorrhoidal artery.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

Anatomy photo:39:05-0106 at the SUNY Downstate Medical Center - "Intestines and Pancreas: Branches of the Inferior Mesenteric Artery"
Anatomy image:7926 at the SUNY Downstate Medical Center

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UpToDate Contents

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1. 先天性および小児冠動脈異常 congenital and pediatric coronary artery abnormalities
2. 重大な冠動脈左前下行枝近位部病変のマネージメント management of significant proximal left anterior descending coronary artery disease
3. 頸動脈ステントおよびその合併症 carotid artery stenting and its complications
4. 安定冠動脈疾患患者ににおける血行再建術：冠動脈バイパス移植術と経皮的冠動脈形成術の比較 revascularization in patients with stable coronary artery disease coronary artery bypass graft surgery versus percutaneous coronary intervention
5. 冠動脈バイパス術：長期的臨床転帰 coronary artery bypass graft surgery long term clinical outcomes

English Journal

Arterial and venous thrombosis of the cerebral vasculature in GAPO syndrome.

Zeydan B1, Benbir G, Uluduz D, Ince B, Goksan B, Islak C.Author information 1Department of Neurology, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey.AbstractA 37-year-old male, previously diagnosed with GAPO syndrome, was admitted to our hospital complaining of recurrent episodes of transient weakness and numbness in his left arm for 3 months, and severe headache with progressive dysphagia for 15 days. His cranial magnetic resonance (MR) images showed multiple ischemic foci in the bilateral periventricular and supraventricular white matter. Cerebral MR-angiography showed total occlusion of the right internal carotid artery and moderate stenosis in the left internal carotid. We also detected chronic thrombotic changes in the distal left sigmoid sinus, proximal right sigmoid sinus, and bilateral jugular veins on cerebral MR-venography. He was diagnosed with dilated cardiomyopathy at age 31 years, which was reported as a novel association; and later he had a myocardial infarction at age 34 years. To the best of our knowledge, this is the first patient with GAPO syndrome and arterial atherosclerosis in cerebral-as well as coronary-arteries and intracranial venous thrombosis. We report the evolution of the disease in this patient, who died at age 38 years due to respiratory failure secondary to lower respiratory tract infection. © 2014 Wiley Periodicals, Inc.
American journal of medical genetics. Part A.Am J Med Genet A.2014 Mar 24. doi: 10.1002/ajmg.a.36440. [Epub ahead of print]
A 37-year-old male, previously diagnosed with GAPO syndrome, was admitted to our hospital complaining of recurrent episodes of transient weakness and numbness in his left arm for 3 months, and severe headache with progressive dysphagia for 15 days. His cranial magnetic resonance (MR) images showed m
PMID 24664815

Acquired Pial and Dural Arteriovenous Fistulae following Superior Sagittal Sinus Thrombosis in Patients with Protein S Deficiency: A Report of Two Cases.

Matsubara S1, Satoh K, Satomi J, Shigekiyo T, Kinouchi T, Miyake H, Nagahiro S.Author information 1Department of Neurosurgery, Institute of Health Biosciences, The University of Tokushima Graduate School.AbstractTwo patients with protein S deficiency with acquired multiple pial and dural arteriovenous fistulae (AVFs) following superior sagittal sinus (SSS) thrombosis are reported. Case 1 is a 38-year-old male with protein S deficiency who developed generalized seizure due to SSS thrombosis. Local fibrinolysis was achieved in the acute stage. His 10-month follow-up angiogram revealed an asymptomatic acquired dural AVF arising from the middle meningeal artery and the anterior cerebral artery with drainage to the thrombosed cortical vein in the right frontal lobe. Furthermore, his 2-year follow-up angiogram revealed a de novo pial AVF from the middle cerebral artery in the Sylvian fissure with drainage to the cortical vein initially thrombosed. However, this asymptomatic pial AVF caused bleeding in the ipsilateral cerebral hemisphere 12 years after onset, whereas the dural AVF spontaneously disappeared. Surgical disconnection was successfully performed to eliminate the source of hemorrhage. Case 2 is a 50-year-old male with a past history of SSS thrombosis with protein S deficiency who developed pulsatile tinnitus and generalized seizure. His angiogram showed a cortical dural AVF in the left parietal lobe and a sporadic dural AVF involving the right sigmoid sinus. The parietal lesion was eliminated by transarterial embolization followed by craniotomy. However, a de novo pial AVF emerged from the middle cerebral artery adjacent to the previously treated lesion. Of four cortical AVFs in two patients, thrombosis of cortical veins caused by protein S deficiency might play an important role in their formation. Long-term follow-up is required because this peculiar disorder has an unusual clinical course.
Neurologia medico-chirurgica.Neurol Med Chir (Tokyo).2014 Mar 15;54(3):245-52. Epub 2013 Oct 25.
Two patients with protein S deficiency with acquired multiple pial and dural arteriovenous fistulae (AVFs) following superior sagittal sinus (SSS) thrombosis are reported. Case 1 is a 38-year-old male with protein S deficiency who developed generalized seizure due to SSS thrombosis. Local fibrinolys
PMID 24162240

Is low tie ligation truly reproducible in colorectal cancer surgery? Anatomical study of the inferior mesenteric artery division branches.

Bertrand MM1, Delmond L, Mazars R, Ripoche J, Macri F, Prudhomme M.Author information 1Laboratory of Experimental Anatomy, Faculty of Medicine Montpellier-Nîmes, University Montpellier I, 30 rue Lunaret, 34090, Montpellier, France, martinmbertrand@yahoo.fr.AbstractAIM: Curative surgery is the standard treatment for colorectal cancer. The ligation level of the inferior mesenteric artery (IMA) is still debated, as neither low tie (LT) nor high tie ligation (HT) has shown any benefit on the patients' overall survival. We examined whether LT is standardizable and easily reproducible from an anatomical point of view.
Surgical and radiologic anatomy : SRA.Surg Radiol Anat.2014 Mar 15. [Epub ahead of print]
AIM: Curative surgery is the standard treatment for colorectal cancer. The ligation level of the inferior mesenteric artery (IMA) is still debated, as neither low tie (LT) nor high tie ligation (HT) has shown any benefit on the patients' overall survival. We examined whether LT is standardizable and
PMID 24633578

Japanese Journal

家族性大腸腺腫症（FAP）に合併した同時性５多発大腸癌に対してリンパ節郭清を伴う腹腔鏡下大腸全摘術を施行した１例

加藤大,大石正博,小寺正人,山村方夫,池田秀明,水野憲治,山下裕
岡山医学会雑誌 127(1), 25-29, 2015-04-01
… The tumors were located in the right-sided, left-sided, and sigmoid colon, and the lower rectum. … We, therefore, performed a laparoscopic total colectomy with superior mesenteric artery (SMA) and inferior mesenteric artery (IMA) lymph node dissection. …
NAID 120005600977

Aortic Valve Replacement in Anomalous Aortic Origin of Right Coronary Artery

Kuwata Toshiyuki,Fukuda Hirotsugu,Yamada Yasuyuki,Shibasaki Ikuko,Hori Takayuki,Tsuchiya Go,Ogawa Hironaga,Takei Yusuke,Kato Takashi
Dokkyo journal of medical sciences 42(1), 51-54, 2015-03-25
… Coronary angiography revealed 75% stenosis at left coronary artery( LAD) and a normally positioned left coronary artery. … However, the location of the right coronary artery was anomalous. … The right coronary artery ostium originated from the ascending aorta above the left coronary cusp. …
NAID 110009909848

非典型的な術後経過を呈した腸管虚血を伴う急性大動脈解離の1 手術例

佐藤哲也,伊藤智,中野光規,木村直行,山口敦司,安達秀雄
日本血管外科学会雑誌 24(4), 767-771, 2015
要旨：77 歳男性．急性A 型大動脈解離を認め，術前心タンポナーデに伴うショック状態であった．造影CT では，偽腔開存の大動脈解離を認め腹部分枝まで解離が及んでいた．緊急上行大動脈置換術を施行し，術中腸管虚血を疑う所見なく手術を終了した．術後10 時間で下血を認め緊急試験開腹手術を施行した．小腸に虚血を認めず，S 状結腸壊死を認め結腸切除を施行した．帰室後よりアシドーシスの進行と膀胱内圧軽度高値を …
NAID 130005083643

「S状結腸動脈」

Sigmoid arteries
	Sigmoid colon and rectum, showing distribution of branches of inferior mesenteric artery and their anastomoses
	The inferior mesenteric artery and its branches (sigmoid arteries labeled at bottom right)
Details
Latin	Arteriae sigmoideae
Identifiers
Gray's	p.610
Dorlands; /Elsevier	a_61/12155984
TA	A12.2.12.072
FMA	14830
	Anatomical terminology