Revision 6 for 'Calcified yolk sac'All Revisions
Calcified yolk sac
A calcified yolk sac has been described as a sign of longstanding intrauterine demise. The cause of yolk sac calcification in failed pregnancies is uncertain, but is likely related to dystrophic calcification.
- abnormal increased echogenicity of the yolk sac with posterior acoustic shadowing and possibly comet tail artifact