title: Pictorial essay: tumours and pseudotumours of sacrum.
authors.affiliation: Department of Diagnostic Radiology, Singapore General Hospital, Outram Road, Singapore. Electronic address: kong50@hotmail.com.
authors.forename: Keh Oon
authors.initials: KO
authors.lastname: Ong
authors.affiliation: Department of Radiology, Western Infirmary, Glasgow, United Kingdom.
authors.forename: David A
authors.initials: DA
authors.lastname: Ritchie
mesh_terms: D003937:Diagnosis, Differential; D003952:Diagnostic Imaging; D006801:Humans; D012447:Sacrum / Q000473:pathology*; D013125:Spinal Neoplasms / Q000175:diagnosis* / Q000473:pathology
keywords: Magnetic resonance imaging; Sacrum; Tumour