Many radiologists are uncomfortable with evaluating the umbilical cord on sonogram as pregnancies beyond the first trimester are often diverted to obstetrics at tertiary care centers. However, umbilical cord anomalies are not always incidental and can be associated with other structural anomalies or growth retardation, requiring further workup. A radiologist who is able to evaluate for normal umbilical cord appearance and look for classic abnormalities will greatly contribute to patient care and management. The purpose of this pictorial exhibit will review:
How does a normal umbilical cord look on sonogram?
Common and rare anomalies associated with the umbilical cord
What does the clinician need to know?
Indications for further workup
Sonographic evaluation of the normal umbilical cord
- Anatomy
- Sonographic landmarks
Common and rare anomalies of the umbilical cord such as:
- single umbilical artery
- umbilical vein varix
- umbilical cord cyst
- velamentous insertion
- vasa previa
Indications for further workup
Huang, D,
Troiano, R,
Knots and Twists of Umbilical Cord Anomalies: Pictorial Review in Sonographic Evaluation of the Umbilical Cord and Common Umbilical Cord Anomalies. Radiological Society of North America 2014 Scientific Assembly and Annual Meeting, - ,Chicago IL.
http://archive.rsna.org/2014/14012156.html
