title: Pathologic quiz case: a 60-year-old woman with diffuse uterine enlargement. Primary osteosarcoma of the uterus.
authors.affiliation: Department of Pathology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Brazil. alfredorsilva@uol.com.br
authors.forename: Alfredo
authors.initials: A
authors.lastname: Ribeiro-Silva
authors.forename: Luciana
authors.initials: L
authors.lastname: Ximenes
mesh_terms: D005260:Female; D006801:Humans; D008875:Middle Aged; D012516:Osteosarcoma / Q000175:diagnosis*; D014594:Uterine Neoplasms / Q000175:diagnosis*