A case of a giant sacrococcygeal teratoma.

Sacrococygeal teratomas are congenital tumors of newborns, originate from one or more of the three germinal layers. Most sacrococygeal teratomas are found in newborns, infants and children youger than 4 years. The prenatal ultrasound exams have increased the number of sacrococygeal teratomas presenting in fetuses.