PERCUTANEOUS LUMBAR NUCLEOTOMY

We performed 66 percutaneous lumbar nucleotomies (PLN) in 63 patients from October 1984 to March 1990. The patients (42 male patients, 21 fe male patients) ranged in age from 13 to 73 years (average, 36.8 years) . Postoperative observation ranged from 6 months to 5 years and 11 mon ths (average, 2.0 years). Pre- and postoperative discograms were revie wed. Fifty-one patients (79.7%) were judged to have successful results : They were able to return to gainful employment and to their preinjur y level of activity. Six patients (9.4%) were judged to have unsuccess ful results, and they required more radical surgical procedures. PLN w as not effective for the patients with extremely severe positive SLR o r agonizing leg pain.