Sacrococcygeal Teratoma

  • Etiology: teratoma arising in sacrococcygeal region and attached to coccyx
  • Imaging: location is extrapelvic / intrapelvic / mixed, appears cystic / solid / mixed
  • Clinical: AFP elevated, most common solid tumor in neonates, most common congenital neoplasm, 90% benign at birth, may transform into malignancy, can present with high output congestive heart failure, may be part of Currarino triad

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.