Since the picture shows a SMALL hole in the skin on the vertebral SACRAL area, w/ some liquid coming out, preferably the CSF, this is preferably aa .................. SPINA BIFIDA OCCULTA....... Tnx ......
Correct answer: Dermal sinus tract. A small remnant of incomplete neural tube closure at the lumbosacral region. There's a fistel in the midline dorsal of the anus, sometimes with hair on it. Be aware of the chance of formation of a cyst that can become infected.