婴幼儿尾骶部暗胎瘤并不少见,但新生儿巨大囊性畸胎瘤所见报告不多。我院收治一例,报告如下; 患儿,女性,出生3天,出生时即发现尾骶部肿块,于1981年7月12日入院。其母三天前临产时见一圆形儿头大之肿块先露于会阴部。当即送往当 Infants and young children are not uncommon among dark-stem tumors of the cervix, but reports of neonatal giant cystic teratomas have not been reported. In our hospital, a case was reported and the report was as follows; The children, women, were born 3 days old, and a lump was found at the time of birth. They were admitted on July 12, 1981. Her mother saw a round, large bump first exposed to the perineum at the time of childbirth. Immediately sent to