Median arcuate ligament

Median arcuate ligament
Median arcuate ligament
	The diaphragm. Under surface.
Details
Identifiers
Latin	ligamentum arcuatum medianum
TA98	A04.4.02.005
TA2	2343
FMA	58281
	Anatomical terminology

The median arcuate ligament is a ligament under the diaphragm that connects the right and left crura of diaphragm.

Structure

The median arcuate ligament is formed by the right and left crura of the diaphragm.^[1] The crura connect to form an arch, behind which is the aortic hiatus, through which pass the aorta, the azygos vein, and the thoracic duct.

Variation

In between 10% and 24% of people, the median arcuate ligament occurs very low.^[2]

Clinical significance

Compression of celiac artery and celiac ganglia by the median arcuate ligament can lead to the median arcuate ligament syndrome, which is characterized by abdominal pain, weight loss, and an epigastric bruit.^[3]

References

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

↑ Bayat I, Wang J, Ho P, Bird D (March 2020). "Intravascular ultrasound-guided laparoscopic division of the median arcuate ligament". Journal of Vascular Surgery Cases and Innovative Techniques. 6 (1): 147–151. doi:10.1016/j.jvscit.2020.01.011. PMC 7056607. PMID 32154471.
↑ Surrusco, Matthew S.; Michelotti, Marcos J.; Garberoglio, Carlos A.; Mukherjee, Kaushik (2018-07-27). "A Novel Approach to Median Arcuate Ligament Release Using Robot-Assisted Surgical Techniques and Intraoperative Indocyanine Green Angiography". Videoscopy. 28 (5). doi:10.1089/vor.2018.0540.
↑ Duncan AA (April 2008). "Median arcuate ligament syndrome". Current Treatment Options in Cardiovascular Medicine. 10 (2): 112–6. doi:10.1007/s11936-008-0012-2. PMID 18325313. S2CID 1606510. Archived from the original on December 4, 2012.

External links

Anatomy figure: 40:04-08 at Human Anatomy Online, SUNY Downstate Medical Center - "The abdominal surface of the diaphragm."
posteriorabdomen at The Anatomy Lesson by Wesley Norman (Georgetown University) (posteriorabdmus&nerves)

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[1] Bayat I, Wang J, Ho P, Bird D (March 2020). "Intravascular ultrasound-guided laparoscopic division of the median arcuate ligament". Journal of Vascular Surgery Cases and Innovative Techniques. 6 (1): 147–151. doi:10.1016/j.jvscit.2020.01.011. PMC 7056607. PMID 32154471.

[2] Surrusco, Matthew S.; Michelotti, Marcos J.; Garberoglio, Carlos A.; Mukherjee, Kaushik (2018-07-27). "A Novel Approach to Median Arcuate Ligament Release Using Robot-Assisted Surgical Techniques and Intraoperative Indocyanine Green Angiography". Videoscopy. 28 (5). doi:10.1089/vor.2018.0540.

[duncan-3] Duncan AA (April 2008). "Median arcuate ligament syndrome". Current Treatment Options in Cardiovascular Medicine. 10 (2): 112–6. doi:10.1007/s11936-008-0012-2. PMID 18325313. S2CID 1606510. Archived from the original on December 4, 2012.

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