Sacrococcygeal Teratoma

  • Etiology: teratoma arising in sacrococcygeal region
  • Imaging: location is extrapelvic / intrapelvic / mixed, appears cystic / solid / mixed
  • Clinical: most common solid tumor in neonates, most common congenital neoplasm, 90% benign at birth, transforms into malignancy, can present with high output congestive heart failure

Radiology Cases of Sacrococcygeal Teratoma

Barium enema of presacral sacrococcygeal teratoma
Lateral image from a barium enema shows displacement of the rectum anteriorly by a presacral mass which is eroding into the rectum and causing the extravasation of a small amount of contrast from the rectum posteriorly.

Clinical Cases of Sacrococcygeal Teratoma

Clinical image of sacrococcygeal teratoma
Clinical image shows a large exophytic soft tissue mass in the region of the sacrum.