Epidural venography.
D000328:Adult; D001416:Back Pain / Q000000981:diagnostic imaging; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000000981:diagnostic imaging*; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging*; D008161:Lumbosacral Region / Q000000981:diagnostic imaging; D008297:Male; D009192:Myelography / Q000379:methods; D010690:Phlebography / Q000379:methods*