title: [Tree-in-bud sign].
authors.affiliation: Unidad de Internación, Hospital de Clínicas José de San Martín, Universidad de Buenos Aires, Argentina.
authors.forename: Marcelo J
authors.initials: MJ
authors.lastname: Melero
authors.forename: Mariano E
authors.initials: ME
authors.lastname: Mazzei
authors.forename: Damián M
authors.initials: DM
authors.lastname: Contardo
authors.forename: Bernardo
authors.initials: B
authors.lastname: Bergroth
mesh_terms: D017088:AIDS-Related Opportunistic Infections / Q000000981:diagnostic imaging*; D000328:Adult; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008297:Male; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification; D011859:Radiography; D014397:Tuberculosis, Pulmonary / Q000000981:diagnostic imaging*