What does "Arterial enhancement of the left MCA distribution" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"Arterial enhancement of the left MCA distribution" refers to a medical observation typically made during imaging tests like an MRI or CT scan. It means that the left middle cerebral artery (MCA), which is a major artery in the brain, is showing increased visibility or brightness. This is usually due to a contrast dye used during the scan, which helps doctors see the blood vessels more clearly. This enhancement can help identify any abnormalities or issues in the blood flow to that part of the brain.
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