A Case of Congenital Sacral Teratoma

The tumour was an elongated oval, almost twice the size of the fist. The vertical extent was from just below the crest of the ilium to 1J inches below the gluteal fold?the lower pole of the tumour projecting down over the back of the thigh. In the horizontal plane it extended almost from the mid-line of the sacrum to the great trochanter. The surface of the tumour was smooth and regular, and the margin fairly well defined except at the upper limit. The lower and internal aspect encroached on the anal margin and on rectal examination was felt to be. in close relation to the wall of the lower part of the rectum. The skin