Currarino Syndrome

Currarino syndrome is a form of caudal regression syndrome that is also known as ASP triad (Anorectal malformation, Sacrococcygeal osseous defect, and Presacral mass). The presacral mass may be a teratoma, anterior sacral meningocele, dermoid cyst, hamartoma, or enteric duplication cyst.

Reference

Kocaoglu M and Frush DP. Pediatric Presacral Masses. RadioGraphics 2006; 26: 833-857.