title: Photo quiz. Round pneumonia due to Streptococcus pneumoniae.
authors.affiliation: Department of Internal Medicine, University Hospital Zurich, Switzerland.
authors.forename: A S
authors.initials: AS
authors.lastname: Zinkernagel
authors.forename: A
authors.initials: A
authors.lastname: Schaffner
authors.forename: A
authors.initials: A
authors.lastname: Himmelman
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D011018:Pneumonia, Pneumococcal / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000503:physiopathology; D013902:Radiography, Thoracic; D013296:Streptococcus pneumoniae