title: A 29-year-old woman with back pain and a lumbar mass.
authors: M L
authors: ML
authors: Estes
authors: R J
authors: RJ
authors: Lederman
authors: S
authors: S
authors: Vijayakumar
authors: R W
authors: RW
authors: Hardy
authors: H
authors: H
authors: Faleck
authors: S A
authors: SA
authors: Rosenbloom
mesh_terms: D000328:Adult; D004806:Ependymoma / Q000473:pathology*; D005260:Female; D006801:Humans; D013120:Spinal Cord Neoplasms / Q000473:pathology*