RT Journal Article SR Electronic T1 Spontaneous regression of lumbar disc herniation JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 76 OP 78 VO 12 IS 1 A1 Karabekir, H. Selim A1 Yildizhan, Ahmet A1 Balci, Canan A1 Atar, Elmas K. YR 2007 UL http://nsj.org.sa/content/12/1/76.abstract AB We present 3 cases of spontaneous regression of lumbar herniated disc. The disc regression correlated with clinical improvement documented by MRI studies. Although the phenomenon of spontaneous disappearance of decrease in size of herniated disc fragments is well known, the exact mechanism underlying this process remains unclear. We discuss 3 possible explanations for disc regression: retraction into the vertebral space, dehydration/shrinkage, and resorption due to inflammatory reaction.