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Pediatr Radiol. 2007 Jan;37(1):63-7. Epub 2006 Nov 3.

Markedly hypoplastic circumflex retroesophageal right aortic arch: MR imaging and surgical implications.

Author information

1
Department of Radiology, C.S. Mott Children's Hospital, 1500 E. Medical Center Drive, Ann Arbor, MI 48109-0252, USA. rjhm@med.umich.edu

Abstract

BACKGROUND:

Circumflex retroesophageal right aortic arch with a markedly hypoplastic retroesophageal segment is a rare anomaly of the aortic arch. Adequate surgical management relies on precise diagnosis, which might not be feasible with echocardiography.

OBJECTIVE:

To demonstrate the utility of MR imaging in establishing the diagnosis and to describe potential pitfalls in making the diagnosis.

MATERIALS AND METHODS:

Three patients with a circumflex retroesophageal right aortic arch with a markedly hypoplastic retroesophageal segment were retrospectively evaluated. All patients underwent evaluation by echocardiography and MR imaging. The MR imaging consisted of 3-D MR angiography in two patients and fast gradient recalled echo with cardiac-triggered segmented acquisition in one patient. Surgical confirmation was obtained on all three patients.

RESULTS:

The arch anatomy was accurately depicted in all three patients by MR imaging and in none of the patients by echocardiography.

CONCLUSION:

MR imaging is extremely useful in establishing the diagnosis of markedly hypoplastic retroesophageal circumflex right aortic arch and thus helps in surgical planning.

PMID:
17082933
DOI:
10.1007/s00247-006-0343-7
[Indexed for MEDLINE]

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