median arcuate ligament syndrome (Dunbar syndrome)

An unusual cause of chronic abdominal pain: Median arcuate ligament syndrome. Axial image shows a filling defect on the proximal coeliac artery. Hypodense band surrounding the coeliac axis origin representing the median arcuate ligament (*).

An unusual

cause of chronic abdominal pain: Median arcuate ligament syndrome. Axial image shows a filling defect on the proximal coeliac artery. Hypodense band surrounding the coeliac axis origin representing the median arcuate ligament (*).

www.eurorad.org • CC by-nc-sa-4.0

Vascular compression disorders • Median arcuate ligament syndrome - Ganzer Fall bei Radiopaedia

Vascular

compression disorders • Median arcuate ligament syndrome - Ganzer Fall bei Radiopaedia

El-Feky, M. Median arcuate ligament syndrome. Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-54186 • CC by-nc-sa 3.0 (modified)

Chronic mesenteric ischaemia due to median arcuate ligament syndrome. Green: coeliac trunk. Pink: superior mesenteric artery. Yellow: dilated duodeno-pancreatic arcades. Blue: common hepatic artery. Red: splenic artery.

Chronic

mesenteric ischaemia due to median arcuate ligament syndrome. Green: coeliac trunk. Pink: superior mesenteric artery. Yellow: dilated duodeno-pancreatic arcades. Blue: common hepatic artery. Red: splenic artery.

www.eurorad.org • CC by-nc-sa-4.0

Chronic mesenteric ischaemia due to median arcuate ligament syndrome. White arrow: splenic artery

Chronic

mesenteric ischaemia due to median arcuate ligament syndrome. White arrow: splenic artery

www.eurorad.org • CC by-nc-sa-4.0

Chronic mesenteric ischaemia due to median arcuate ligament syndrome. Blue arrow: proper hepatic artery

Chronic

mesenteric ischaemia due to median arcuate ligament syndrome. Blue arrow: proper hepatic artery

www.eurorad.org • CC by-nc-sa-4.0

Chronic mesenteric ischaemia due to median arcuate ligament syndrome. Red arrow: superior mesenteric artery. Green arrows: duodeno-pancreatic arcades

Chronic

mesenteric ischaemia due to median arcuate ligament syndrome. Red arrow: superior mesenteric artery. Green arrows: duodeno-pancreatic arcades

www.eurorad.org • CC by-nc-sa-4.0

Chronic mesenteric ischaemia due to median arcuate ligament syndrome. The catheter is in the abdominal aorta, and the extremity is at the ostium of the superior mesenteric artery.

Chronic

mesenteric ischaemia due to median arcuate ligament syndrome. The catheter is in the abdominal aorta, and the extremity is at the ostium of the superior mesenteric artery.

www.eurorad.org • CC by-nc-sa-4.0

Chronic mesenteric ischaemia due to median arcuate ligament syndrome. Expirium. Please note the accentuation of the stenosis of the coeliac trunk by the median arcuate ligament, and also the increased post-stenotic dilatation.

Chronic

mesenteric ischaemia due to median arcuate ligament syndrome. Expirium. Please note the accentuation of the stenosis of the coeliac trunk by the median arcuate ligament, and also the increased post-stenotic dilatation.

www.eurorad.org • CC by-nc-sa-4.0

Chronic mesenteric ischaemia due to median arcuate ligament syndrome. Inspirium. About the same aspect of the coeliac trunk as in the CT examination.

Chronic

mesenteric ischaemia due to median arcuate ligament syndrome. Inspirium. About the same aspect of the coeliac trunk as in the CT examination.

www.eurorad.org • CC by-nc-sa-4.0

Chronic mesenteric ischaemia due to median arcuate ligament syndrome. Superior extrinsic stenosis of the first centimeters of the coeliac trunk, followed by a dilatation. Normal superior mesenteric artery.

Chronic

mesenteric ischaemia due to median arcuate ligament syndrome. Superior extrinsic stenosis of the first centimeters of the coeliac trunk, followed by a dilatation. Normal superior mesenteric artery.

www.eurorad.org • CC by-nc-sa-4.0

Celiac artery compression syndrome • Celiac artery compression syndrome - Ganzer Fall bei Radiopaedia

Celiac artery

compression syndrome • Celiac artery compression syndrome - Ganzer Fall bei Radiopaedia

Alhusseiny, K. Celiac artery compression syndrome. Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-154859 • CC by-nc-sa 3.0 (modified)

Celiac artery compression syndrome • Median arcuate ligament syndrome (Dunbar syndrome) - Ganzer Fall bei Radiopaedia

Celiac artery

compression syndrome • Median arcuate ligament syndrome (Dunbar syndrome) - Ganzer Fall bei Radiopaedia

Basim, D. Median arcuate ligament syndrome (Dunbar syndrome). Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-98954 • CC by-nc-sa 3.0 (modified)

Celiac artery compression syndrome • Celiac artery compression syndrome - Ganzer Fall bei Radiopaedia

Celiac artery

compression syndrome • Celiac artery compression syndrome - Ganzer Fall bei Radiopaedia

Saber, M. Celiac artery compression syndrome. Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-94102 • CC by-nc-sa 3.0 (modified)

Celiac artery compression syndrome • Celiac artery compression syndrome - Ganzer Fall bei Radiopaedia

Celiac artery

compression syndrome • Celiac artery compression syndrome - Ganzer Fall bei Radiopaedia

Awwad, I. Celiac artery compression syndrome. Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-47538 • CC by-nc-sa 3.0 (modified)

Celiac artery compression syndrome • Median arcuate ligament syndrome - Ganzer Fall bei Radiopaedia

Celiac artery

compression syndrome • Median arcuate ligament syndrome - Ganzer Fall bei Radiopaedia

Alabd, M. Median arcuate ligament syndrome. Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-46963 • CC by-nc-sa 3.0 (modified)

Celiac artery compression syndrome • Median arcuate ligament syndrome (Dunbar syndrome) - Ganzer Fall bei Radiopaedia

Celiac artery

compression syndrome • Median arcuate ligament syndrome (Dunbar syndrome) - Ganzer Fall bei Radiopaedia

Nicoletti, D. Median arcuate ligament syndrome (Dunbar syndrome). Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-45205 • CC by-nc-sa 3.0 (modified)

Celiac artery compression syndrome • Median arcuate ligament syndrome - Ganzer Fall bei Radiopaedia

Celiac artery

compression syndrome • Median arcuate ligament syndrome - Ganzer Fall bei Radiopaedia

Harmse, W. Median arcuate ligament syndrome. Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-43372 • CC by-nc-sa 3.0 (modified)

Celiac artery compression syndrome • Celiac artery compression by the diaphragmatic crurae - Ganzer Fall bei Radiopaedia

Celiac artery

compression syndrome • Celiac artery compression by the diaphragmatic crurae - Ganzer Fall bei Radiopaedia

Di Muzio, B. Celiac artery compression by the diaphragmatic crurae. Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-31739 • CC by-nc-sa 3.0 (modified)

Celiac artery compression syndrome • Median arcuate ligament syndrome - Ganzer Fall bei Radiopaedia

Celiac artery

compression syndrome • Median arcuate ligament syndrome - Ganzer Fall bei Radiopaedia

Greif, E. Median arcuate ligament syndrome. Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-28206 • CC by-nc-sa 3.0 (modified)

Celiac artery compression syndrome • Median arcuate ligament syndrome - Ganzer Fall bei Radiopaedia

Celiac artery

compression syndrome • Median arcuate ligament syndrome - Ganzer Fall bei Radiopaedia

Niknejad, M. Median arcuate ligament syndrome. Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-21665 • CC by-nc-sa 3.0 (modified)

Celiac artery compression syndrome • Median arcuate ligament syndrome and acute appendicitis - Ganzer Fall bei Radiopaedia

Celiac artery

compression syndrome • Median arcuate ligament syndrome and acute appendicitis - Ganzer Fall bei Radiopaedia

Elhinnawi, S. Median arcuate ligament syndrome and acute appendicitis. Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-55455 • CC by-nc-sa 3.0 (modified)

Celiac artery compression syndrome • Median arcuate ligament syndrome - Ganzer Fall bei Radiopaedia

Celiac artery

compression syndrome • Median arcuate ligament syndrome - Ganzer Fall bei Radiopaedia

Skalski, M. Median arcuate ligament syndrome. Case study, Radiopaedia.org. (accessed on 09 Nov 2022) https://doi.org/10.53347/rID-36837 • CC by-nc-sa 3.0 (modified)

An unusual cause of chronic abdominal pain: Median arcuate ligament syndrome. VR 3D image based on CT angiography data shows a significant stenosis of the coeliac artery in expiration.

An unusual

cause of chronic abdominal pain: Median arcuate ligament syndrome. VR 3D image based on CT angiography data shows a significant stenosis of the coeliac artery in expiration.

www.eurorad.org • CC by-nc-sa-4.0

An unusual cause of chronic abdominal pain: Median arcuate ligament syndrome. Midline sagittal reformatted MIP image in deep inspiration (a) and expiration (b), revealing the increase of the degree of the proximal coeliac artery stenosis (up to 75% in expiration).

An unusual

cause of chronic abdominal pain: Median arcuate ligament syndrome. Midline sagittal reformatted MIP image in deep inspiration (a) and expiration (b), revealing the increase of the degree of the proximal coeliac artery stenosis (up to 75% in expiration).

www.eurorad.org • CC by-nc-sa-4.0

An unusual cause of chronic abdominal pain: Median arcuate ligament syndrome. Aortic angio CT in deep expiration. Marked increase of the mild indentation of the MAL (*) on the proximal coeliac artery compared to the inspiration study, giving a “J-shape” or hooked appearance. Poststenotonic dilatation associated.

An unusual

cause of chronic abdominal pain: Median arcuate ligament syndrome. Aortic angio CT in deep expiration. Marked increase of the mild indentation of the MAL (*) on the proximal coeliac artery compared to the inspiration study, giving a “J-shape” or hooked appearance. Poststenotonic dilatation associated.

www.eurorad.org • CC by-nc-sa-4.0

An unusual cause of chronic abdominal pain: Median arcuate ligament syndrome. Sagittal arterial phase CT in deep inspiration shows focal narrowing on the superior aspect of the coeliac artery by the median arcuate ligament (*).

An unusual

cause of chronic abdominal pain: Median arcuate ligament syndrome. Sagittal arterial phase CT in deep inspiration shows focal narrowing on the superior aspect of the coeliac artery by the median arcuate ligament (*).

www.eurorad.org • CC by-nc-sa-4.0

Teenager with post prandial epigastric pain. Sagittal MIP (left) and 3D (right) CT with contrast of the abdomen in the venous phase obtained in expiration shows focal narrowing of the superior aspect of the proximal celiac trunk resulting in it having a hooked or J appearance with the absence of associated atherosclerosis.The diagnosis was median arcuate ligament syndrome.

Teenager with

post prandial epigastric pain. Sagittal MIP (left) and 3D (right) CT with contrast of the abdomen in the venous phase obtained in expiration shows focal narrowing of the superior aspect of the proximal celiac trunk resulting in it having a hooked or J appearance with the absence of associated atherosclerosis.The diagnosis was median arcuate ligament syndrome.

pediatricimaging.org • CC-by-nc-sa 4.0