What is median arcuate ligament syndrome (MALS)?

Median Arcuate Ligament Syndrome (MALS disease) occurs when the celiac artery (the artery below that diaphragm that stems from the aorta) becomes compressed by the median arcuate ligament. When the median arcuate ligament is restricted, the blood flow is limited to the digestive system which can ultimately lead to significant abdominal pain.

Common MALS Symptoms

Patients experiencing MALS will typically have stomach pain soon after eating. Unfortunately, the only way to prevent pain is to limit or avoid eating, which can cause additional conditions. Patients may also have:

  • Pain
  • Nausea
  • Weight loss
  • Exhaustion, particularly after a heavy meal
  • Inability to exercise

MALS Treatment Options

Our vascular surgeons provide a minimally invasive treatment for MALS disease by laparoscopically releasing the ligament to restore blood flow, which results in shorter hospital stays, less pain and a quicker return to daily activities.

MALS Surgery: Frequently Asked Questions

Our MALS Physician Team

MALS Surgery relieves years of stomach pain

After suffering from debilitating stomach pain, Mackenzie Hild found relief for her median arcuate ligament syndrome (MALS) at the University of Chicago Medicine.  Now, she is pain free for the first time in five years.

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By submitting this form you acknowledge the risk of sending this information by email and agree not to hold the University of Chicago or University of Chicago Medical Center liable for any damages you may incur as a result of the transfer or use of this information. The use or transmittal of this form does not create a physician-contact relationship. More information regarding the confidentiality of this request can be found in our Privacy Policy.

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