title: Surgical treatment for thyroid carcinoma: retrospective study with 811 patients in a Brazilian tertiary hospital.
abstract: The aim of the present study was to describe the epidemiologic data, histological type, treatment and follow-up of the 811 patients treated for thyroid cancer in Instituto do Câncer do Estado de São Paulo (ICESP) over 5 years.
  
  
  
  Retrospective analyses of electronic chart information.
  
  
  
  There were 679 cases (83.7%) of papillary thyroid cancer, 61 (7.5%) of follicular carcinoma, 54 (6.7%) of medullary carcinoma, 11 (1.4%) of poorly differentiated carcinoma and 6 of anaplastic carcinoma (0.7%). The majority of patients were female (82.2%), and the mean age was 50.5 ± 15 years. Two hundred forty-two patients had disease persistence or recurrence. At the last follow-up, 629 (77.6%) patients were alive and disease free, 141 (17.4%) were alive with disease, and 41 (5.1%) were deceased, with 37 deaths related to thyroid cancer.
  
  
  
  This study was able to outline the profile, disease type and evolution of patients treated for thyroid cancer at a single tertiary hospital.
authors.affiliation: Departamento de Cirurgia de Cabeça e Pescoço, Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Instituto do Câncer do Estado de São Paulo (ICESP), São Paulo, SP, Brasil.
authors.forename: Beatriz G
authors.initials: BG
authors.lastname: Cavalheiro
authors.affiliation: Departamento de Cirurgia de Cabeça e Pescoço, Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Instituto do Câncer do Estado de São Paulo (ICESP), São Paulo, SP, Brasil.
authors.forename: Leandro L
authors.initials: LL
authors.lastname: Matos
authors.affiliation: Departamento de Cirurgia de Cabeça e Pescoço, Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Instituto do Câncer do Estado de São Paulo (ICESP), São Paulo, SP, Brasil.
authors.forename: Ana Kober N
authors.initials: AK
authors.lastname: Leite
authors.affiliation: Departamento de Cirurgia de Cabeça e Pescoço, Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Instituto do Câncer do Estado de São Paulo (ICESP), São Paulo, SP, Brasil.
authors.forename: Marco Aurélio V
authors.initials: MA
authors.lastname: Kulcsar
authors.affiliation: Departamento de Cirurgia de Cabeça e Pescoço, Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Instituto do Câncer do Estado de São Paulo (ICESP), São Paulo, SP, Brasil.
authors.forename: Claudio R
authors.initials: CR
authors.lastname: Cernea
authors.affiliation: Departamento de Cirurgia de Cabeça e Pescoço, Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Instituto do Câncer do Estado de São Paulo (ICESP), São Paulo, SP, Brasil.
authors.forename: Lenine G
authors.initials: LG
authors.lastname: Brandão