title: AJR teaching file: Coccydynia with midline sacral mass.
authors: Department of Musculoskeletal Radiology, Derriford Hospital, Plymouth PL6 8DH, United Kingdom. nandashettykv@yahoo.com
authors: N
authors: N
authors: Venkatanarasimha
authors: Sharon
authors: S
authors: Brown
authors: Priya
authors: P
authors: Suresh
mesh_terms: D000058:Accidental Falls; D000328:Adult; D002817:Chordoma / Q000175:diagnosis* / Q000000981:diagnostic imaging; D003050:Coccyx / Q000293:injuries*; D003937:Diagnosis, Differential; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D012447:Sacrum / Q000473:pathology*; D013125:Spinal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed