الفهرس 
The Embryological Development of the Aorta
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Abstract
Thoracic aortic anomalies are common anomalies that need accurate diagnosis and anatomic details description before surgical procedures. Trans-thoracic echocardiography (TTE) is the primary imaging modality in cases with suspected aortic pathology requiring further assessment. However, it has the drawbacks of being of limited acoustic window and coverage which means that it cannot be regarded as a comprehensive technique for the evaluation of thoracic aorta. Conventional angiography is considered the current modality for realtime imaging and has the advantage of therapeutic interventions like balloon angioplasty and stent implantation for the treatment of aortic anomalies such as aortic coarctation. The role of CT in the evaluation of thoracic vascular anomalies has changed after 3D post processing and multiplanar reconstruction became available. MDCT has not only changed the imaging evaluation approach to thoracic aortic anomalies but also challenged the role of conventional catheter based angiography, which has been considered the gold standard. CT angiography has become a principal diagnostic examination for the evaluation of aortic anomalies. The current study was designed to evaluate the role of MDCT in the assessment of thoracic aortic anomalies, it continued from January 2019 to January 2020 and enrolled 30 patients (15 males and 15 females) with an age range between 2 days - 9 years.