title: BIRADS mammography: exercises.
abstract: Some radiological cases are presented in this article to train the reader to the BIRADS classification in mammography. Each case is described according to the fourth American version of the BIRADS lexicon. Some classifications difficulties will also be presented, in order to show the complexity and the observer variability, commonly encountered in BIRADS 3 and 4 categories.
authors.affiliation: Radiology Department, Institut de Cancérologie Gustave-Roussy, 39 rue Camille Desmoulins, 94805 Villejuif Cedex, France.
authors.forename: Corinne
authors.initials: C
authors.lastname: Balleyguier
authors.forename: François
authors.initials: F
authors.lastname: Bidault
authors.forename: Marie Christine
authors.initials: MC
authors.lastname: Mathieu
authors.forename: Salma
authors.initials: S
authors.lastname: Ayadi
authors.forename: Dominique
authors.initials: D
authors.lastname: Couanet
authors.forename: Robert
authors.initials: R
authors.lastname: Sigal
mesh_terms: D000368:Aged; D001941:Breast Diseases / Q000000981:diagnostic imaging; D001943:Breast Neoplasms / Q000000981:diagnostic imaging*; D002114:Calcinosis / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008327:Mammography / Q000145:classification*; D008875:Middle Aged; D011873:Radiology Information Systems; D018875:Vocabulary, Controlled