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Kommerell's diverticulum
Etiology:
- congenital anomalies of the aortic arch
Pathology:
- aberrant left subclavian artery in the setting of a right sided aortic arch
Clinical manifestations:
- may be asymptomatic
- esophageal obstruction may occur
- tracheal obstruction may occur
Radiology:
- chest X-ray
- a small rounded density may be seen left of the trachea
- computed tomography or magnetic resonance imaging
- bulbous enlargement of proximal subclavian artery at its origin from aortic arch, posterior to esophagus
- barium swallow an impression may be seen on left side of esophagus
Notes:
- orginally described as a diverticular outpouching at origin of an aberrant right subclavian artery with a left sided aortic arch
General
diverticulum
congenital anomaly (birth defect)
arterial disease
References
- Jones J and Jha P
Kommerell diverticulum
http://radiopaedia.org/articles/kommerell-diverticulum
- van Son JAM et al
Burckhard F. Kommerell and Kommerell's Diverticulum
Tex Heart Inst J. 2002; 29(2): 109-112
PMID: 12075866
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC116736/