title: Notochordal remnant-derived mass: ecchordosis physaliphora or chordoma?
authors: Junji
authors: J
authors: Takeyama
authors: Toshiaki
authors: T
authors: Hayashi
authors: Reizo
authors: R
authors: Shirane
mesh_terms: D002648:Child; D002817:Chordoma / Q000175:diagnosis* / Q000473:pathology; D003388:Cranial Fossa, Posterior / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D009421:Nervous System Malformations / Q000175:diagnosis* / Q000473:pathology; D009672:Notochord / Q000473:pathology*; D013120:Spinal Cord Neoplasms / Q000175:diagnosis* / Q000473:pathology