Sub-millisievert Assessment of Thoracic Vascular Ring in an Infant

Frandics P. Chan, MD, PhD
Department of Radiology, Stanford University Medical Center, California, USA
 |  08-02-2016

A 13-day-old infant boy, born with Trisomy 21, presented with poor feeding, weight loss, and stridor. A postnatal echocardiography had shown a right-sided aortic arch and a diverticulum of Kommerell, suspicious for a vascular ring that may constrict the trachea and the esophagus. CTA was performed to evaluate the vascular anatomy, its relationship with the trachea and the patency of the airways.


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