新生児仙尾部奇形腫の2例

Sacrococcygeal Teratoma of Newborn Infants; A report of two cases

I．はじめに

　仙尾部奇形腫は小児期に発症する特異な腫瘍で出生児4-5万人に1人と稀な疾患に属する．われわれは最近成熟型及び未熟型の2例の仙尾部奇形腫を経験したので報告する．

Two cases of sacrococcygeal teratoma in female in-fants are reported.

Case 1. A newborn baby with a hemispheric mass onher hip underwent surgery 3 days after birth and the lesion proved to be an immature teratoma. The serum AFP level was very high but became normal one month after the operation. The child also had agenesis of the corpus callosum and arachnoid cysts in right middle fossa. She died after developing shunt infection.