Case 9 Answer

WetReadRad -

Answer: Retained products of conception

Pregnancy test is key!  

+bHCG, no IUP, complex fluid and hypervascular mass in endometrium -> think retained products of conception

In this instance the pt was reluctant to admit to an elective abortion 5d prior.

ref: https://radiopaedia.org/articles/retained-products-of-conception?lang=us