11 February 2021
: Case report 
Antenatal Diagnosis of Retroperitoneal Cystic Mass: Fetiform Teratoma or Fetus in Fetu? A Case Report
Unknown etiology, Challenging differential diagnosis, Rare disease, Congenital defects / diseases, Clinical situation which can not be reproduced for ethical reasons, Rare coexistence of disease or pathology
Spencer Pace1BEF, Marla A. Sacks2BEF, Laura F. Goodman2EF, Edward P. Tagge2EF, Andrei Radulescu2ABEF*DOI: 10.12659/AJCR.929247
Am J Case Rep 2021; 22:e929247
Figure 2. Post-natal computerized tomography (CT) images demonstrating a right retroperitoneal mass with soft tissue, fat, and calcifications and regional mass effect.