title: Case 145: retained sponge.
authors.affiliation: Department of Radiology, University of Pennsylvania School of Medicine, 3400 Spruce St, Philadelphia, PA 19104, USA.
authors.forename: Lily Y
authors.initials: LY
authors.lastname: Kernagis
authors.forename: Evan S
authors.initials: ES
authors.lastname: Siegelman
authors.forename: Drew A
authors.initials: DA
authors.lastname: Torigian
mesh_terms: D000005:Abdomen / Q000473:pathology*; D000368:Aged; D005549:Foreign-Body Reaction / Q000209:etiology* / Q000473:pathology*; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D015503:Surgical Sponges / Q000009:adverse effects*