Aberrant subclavian artery
Aberrant Subclavian Artery
The Aberrant Subclavian Artery (pronunciation: a-ber-rant sub-cla-vi-an ar-ter-y), also known as Arteria Lusoria, is a rare anatomical variant of the subclavian artery. It is a condition where the right subclavian artery arises directly from the aorta instead of the brachiocephalic artery as is typically the case.
Etymology
The term "Aberrant" is derived from the Latin word "aberrare" which means to wander or deviate. "Subclavian" is derived from the Latin words "sub" meaning under and "clavis" meaning key, referring to the location of the artery beneath the clavicle. "Artery" is derived from the Greek word "artēria" meaning windpipe, which later came to denote the vessels we now know as arteries.
Clinical Significance
The Aberrant Subclavian Artery can sometimes cause symptoms such as dysphagia (difficulty swallowing), known as Dysphagia Lusoria, due to the artery's abnormal course behind the esophagus. It is also associated with an increased risk of aneurysm and atherosclerosis.
Diagnosis
Diagnosis of an Aberrant Subclavian Artery is typically made using imaging techniques such as Computed Tomography (CT) or Magnetic Resonance Imaging (MRI).
Treatment
Treatment is usually only necessary if the patient is symptomatic. This can involve surgical procedures to reposition the artery, or endovascular procedures to place a stent.
Related Terms
- Aorta
- Brachiocephalic artery
- Subclavian artery
- Dysphagia
- Dysphagia Lusoria
- Aneurysm
- Atherosclerosis
- Computed Tomography (CT)
- Magnetic Resonance Imaging (MRI)
External links
- Medical encyclopedia article on Aberrant subclavian artery
- Wikipedia's article - Aberrant subclavian artery
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