Kaplan C, Perlmutter S, Molinoff S
Arch Pathol Lab Med. 1980 Jul;104(7):374-5.
A stillborn male infant with massive epignathus showed placental enlargement, hydramnios, and hydrops. These changes are thought to be due to cardiac decompensation from circulation of the large vascular tumor mass. Y bodies present in the tumor suggest a mitotic origin for epignathi from host cells.