Lumbar discal cyst and post-operative discal pseudocyst: a case series.

Four cases of lumbar cyst (2 discal cysts and 2 post-operative discal pseudocysts) who presented predominantly with features of sciatica without any motor, sensory or sphincteric disturbances. The patients were treated conservatively, and the management was aimed to avert any untoward surgical intervention taking into consideration patient safety and care. Two had previous lumbar decompressive discectomy.