title: A difficult case of angioimmunoblastic T-cell lymphoma to diagnose.
authors.affiliation: Universidade de São Paulo (USP), São Paulo, SP, Brazil. Electronic address: sachsidacolombo@yahoo.com.br.
authors.forename: Elisabetta
authors.initials: E
authors.lastname: Sachsida-Colombo
authors.affiliation: Universidade de São Paulo (USP), São Paulo, SP, Brazil.
authors.forename: Livia Caroline
authors.initials: LC
authors.lastname: Barbosa Mariano
authors.affiliation: Universidade de São Paulo (USP), São Paulo, SP, Brazil.
authors.forename: Fernanda Queiróz
authors.initials: FQ
authors.lastname: Bastos
authors.affiliation: Universidade de São Paulo (USP), São Paulo, SP, Brazil.
authors.forename: Amanda Bruder
authors.initials: AB
authors.lastname: Rassi
authors.affiliation: Universidade de São Paulo (USP), São Paulo, SP, Brazil.
authors.forename: Luís Alberto de Pádua Covas
authors.initials: LA
authors.lastname: Lage
authors.affiliation: Universidade de São Paulo (USP), São Paulo, SP, Brazil.
authors.forename: Ariel
authors.initials: A
authors.lastname: Barreto
authors.affiliation: Universidade de São Paulo (USP), São Paulo, SP, Brazil.
authors.forename: Sheila
authors.initials: S
authors.lastname: Siqueira
authors.affiliation: Universidade de São Paulo (USP), São Paulo, SP, Brazil.
authors.forename: Juliana
authors.initials: J
authors.lastname: Pereira