title: L5/S1 disc herniation and S1 pedicle aplasia: case report and review of the literature.
authors: Neurosurgical Department, Hirslanden Klinik, Witellikerstrasse 40, 8032, Zürich, Switzerland, mpayer@hotmail.com.
authors: Michael
authors: M
authors: Payer
authors: Enrico
authors: E
authors: Tessitore
mesh_terms: D006801:Humans; D007405:Intervertebral Disc Displacement / Q000175:diagnosis* / Q000601:surgery; D008159:Lumbar Vertebrae / Q000473:pathology / Q000601:surgery; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D019635:Neurosurgical Procedures; D012447:Sacrum / Q000002:abnormalities* / Q000473:pathology / Q000601:surgery; D016896:Treatment Outcome