<prompt> Tuft of hair over the lumbosacral region in a newborn is suggestive of:Spina bifida occultaSinus tractTumorAny of the above  <response>: d. Any of the aboveRef: Nelsons 20e p 2580, 281690 of patients with occult spinal dysraphism, have a cutaneous abnormality overlying the lower spine, including a small dimple, tuft of hair, dermal vascular malformation, or subcutaneous lipomaOccult spinal dysraphism includes spina bifida occulta, lipomeningocele, intradural lipoma, diastematomyelia, tight filum terminale, dermoid cyst-sinus, aberrant nerve roots, anterior sacral meningocele, and cauda equina tumor. 