ductus arteriosus aneurysms

http://www.fetalultrasound.com/online/text/7-083.HTM

Additional suggested etiologies include:

• Connective tissue disorders (Marfan's, Ehlers-Danlos and Larsen syndrome)
• Infection (1,5).

• Normal ductus arteriosus
• Enlarged dilated vascular structure between the bifurcation of the main pulmonary artery and descending aorta (4).
• The descending aorta may be dilated.
• The main pulmonary arteries, aorta and neck vessels are normal.
• Color doppler demonstrates turbulent flow from the pulmonary artery to the descending aorta (4).
• Spontaneous resolution has been described postnatally (4).