title: Radiology quiz case 1. Diagnosis: Right antrochoanal polyp (ACP).
authors.affiliation: Hospital Clinic, Barcelona, Spain.
authors.forename: Miguel
authors.initials: M
authors.lastname: Maldonado
authors.forename: Eduard
authors.initials: E
authors.lastname: Prades
authors.forename: Sandra
authors.initials: S
authors.lastname: Casellas
authors.forename: José María
authors.initials: JM
authors.lastname: Guilemany
authors.forename: Manuel
authors.initials: M
authors.lastname: Bernal-Sprekelsen
authors.forename: Joaquim
authors.initials: J
authors.lastname: Mullol
mesh_terms: D000293:Adolescent; D005260:Female; D006801:Humans; D009298:Nasal Polyps / Q000000981:diagnostic imaging* / Q000601:surgery; D010256:Paranasal Sinuses; D014057:Tomography, X-Ray Computed