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Updated: Dec 28, 2025

Murine Fetal Echocardiography
Published on: February 15, 2013
Imaging of anorectal malformations in utero
L Rohrer1, Y Vial2, S Hanquinet3
1Unit of Pediatric Radiology, Department of Diagnostic and Interventional Radiology, University Hospital of Lausanne (CHUV) and University of Lausanne, Rue du Bugnon 21, 1011 Lausanne, Switzerland.
Purpose:
To document the imaging findings suggestive of anorectal malformation (ARMs) on prenatal US and MRI.
Methods:
Retrospective evaluation of the screening US and prenatal MRI exams of the rectum and ano-perineal region in normal fetuses and in patients with ARMs.
Results:
Examples showing the normal rectal and anoperineal anatomy on prenatal US and MRI exams and the imaging findings observed in different types of confirmed ARMS.
Conclusions:
Prenatal diagnosis of ARMs requires both a systematic evaluation of the fetal pelvis and perineum and an appropriate knowledge of its suggestive imaging findings.
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