title: Histiocytic sarcoma.
abstract: A 59-year-old white woman, SC, after being treated for pneumonia, presented with an increase in the size of lymph nodes. The immunohistochemical examination diagnosed histiocytic sarcoma. Relapse occurred 12 months after starting chemotherapy. The patient evolved with febrile neutropenia, septic shock and death.
authors.affiliation: Universidade do Oeste de Santa Catarina, Joaçaba, SC, Brazil.
authors.forename: Eduardo Silva
authors.initials: ES
authors.lastname: Machado
authors.forename: Ana Carolina
authors.initials: AC
authors.lastname: de Miranda
authors.forename: Ticiane
authors.initials: T
authors.lastname: Escopelli
authors.forename: Ruggero
authors.initials: R
authors.lastname: Caron
authors.forename: Alessandra Cristhina
authors.initials: AC
authors.lastname: Escopelli
keywords: Case report; Histiocytic sarcoma/diagnosis; Neoplasms