HYDATIDIFORM moles have been known for many centuries and have had their existence explained in various, sometimes unique, ways. Diocles of Carystos supposedly had a knowledge of moles in the third century B.C., and Erotianus, in the time of Nero (54–68 A.D.), made suggestions concerning the degenerative nature of the molar villi.1 In 1564 Christopher de Vigo described the expulsion of a 12-pound
... [Show full abstract] mole,1 and in 1565 Schenk von Grafensberg has been credited with classic descriptions,2 calling it mola aquea. F. Balleriola believed hydatids developed from ova that had not been impregnated (1573), and F. Mauriceau, in 1664, considered the . . .