EditorsEditor in chiefHenrique Sarubbi FillmannPorto Alegre, Brazil

CoeditorsClaudio Saddy Rodrigues CoyCampinas, Brazil

Francisco Sergio Pinheiro RegadasFortaleza, Brazil

João de Aguiar Pupo NetoRio de Janeiro, Brazil

Paulo Gustavo KotzeCuritiba, Brazil

Rodrigo Oliva PerezSão Paulo, Brazil

Jorge HequeraBuenos Aires, Argentina

Editorial OfficeJanilene Andrade Afonso (Rio de Janeiro, Brazil)Sociedade Brasileira de ColoproctologiaE-mail: sbcp@sbcp.org.br

FounderKlaus RebelRio de Janeiro, Brazil

Editorial BoardAndré da Luz Moreira (Rio de Janeiro, Brazil)Angelita Habr-Gama (São Paulo, Brazil)Armando Geraldo Franchini Melani (Barretos, Brazil)Antonio Lacerda Filho (Belo Horizonte, Brazil)Boris Barone (São Paulo, Brazil)Caio Sergio Rizkallah Nahas (São Paulo, Brazil)Carlos Walter Sobrado (São Paulo, Brazil)Carmen Ruth Manzione Nadal (São Paulo, Brazil)Chuan-Gang Fu (Shangai, China)Doryane Maria dos Reis Lima (Cascavel, Brazil)Eduardo de Paula Vieira (Rio de Janeiro, Brazil)Ezio Ganio (Ivrea, Italy)Fábio Guilherme Campos (São Paulo, Brazil)Fang Chia Bin (São Paulo, Brazil)Fernanda Bellotti Formiga (São Paulo, Brazil)Fernando Zaroni Sewaybricker (Rio de Janeiro, Brazil)Feza Remzi (Cleveland, USA)Fidel Ruiz Healy (Ciudad del Mexico, Mexico)Flávio Ferreira Diniz (Porto Alegre, Brazil)Francisco Lopes Paulo (Rio de Janeiro, Brazil)Geraldo Magela Gomes da Cruz (Belo Horizonte, Brazil)Giulio Santoro (Treviso, Italy)Guillermo Rosato (Buenos Aires, Argentina)Hélio Moreira (Goiânia, Brazil)Helio Moreira Junior (Goiânia, Brazil)João Batista de Sousa (Brasília, Brazil)João Gomes Netinho (São José do Rio Preto, Brazil)Joaquim José Ferreira (Rio de Janeiro, Brazil)Joaquim Manuel Costa Pereira (Penafi el, Portugal)José Alfredo dos Reis Junior (Campinas, Brazil)José Alfredo Reis Neto (Campinas, Brazil)Jose G. Guillem (New York, USA)

José Reinan Ramos (Rio de Janeiro, Brazil)José Ribamar Baldez (São Luís, Brazil)Júlio Cesar M. dos Santos Junior (Guaratinguetá, Brazil)Julio Garcia-Aguilar (New York, USA)Karen Delacoste Pires Mallmann (Porto Alegre, Brazil)Luca Stocchi (Cleveland, USA)Lucia Camara de Castro Oliveira (Rio de Janeiro, Brazil)Luiz Felipe de Campos Lobato (Brasília, Brazil)Lusmar Veras Rodrigues (Fortaleza, Brazil)Maria Cristina Sartor (Curitiba, Brazil)Mário Trompetto (Ivrea, Italy)Marvin Corman (Stony Brook, USA)Mauro de Souza Leite Pinho (Joinville, Brazil)Michael R. B. Keighley (Birmingham, UK)Olival de Oliveira Junior (Curitiba, Brazil)Paulo Gonçalves de Oliveira (Brasília, Brazil)Paulo Roberto Arruda Alves (São Paulo, Brazil)Peter Marcello (Burlington, USA)Raul Cutait (São Paulo, Brazil)Ravi P. Kiran (New York, USA)Renato Araújo Bonardi (Curitiba, Brazil)Robert William de Azevedo Bringel (Fortaleza, Brazil)Roberto Misici (Fortaleza, Brazil)Rogerio Saad Hossne (Botucatu, Brazil)Rosalvo José Ribeiro (Rio de Janeiro, Brazi)Rubens Valarini (Curitiba, Brazil)Saul Sokol (Dallas, USA)Sergio Carlos Nahas (São Paulo, Brazil)Sidney Nadal (São Paulo, Brazil)Sinara Monica de Oliveira Leite (Belo Horizonte, Brazil)Sthela Maria Murad Regadas (Fortaleza, Brazil)Steven D. Wexner (Weston, USA)

PresidentFábio Guilherme Caserta Maryssael de Campos (São Paulo, Brazil)Elected presidentMaria Cristina Sartor (Paraná, Brazil)Vice-presidentHenrique Sarubbi Fillmann (Rio Grande do Sul, Brazil)General secretaryEduardo de Paula Vieira (Rio de Janeiro, Brazil)First secretaryMarcelo Rodrigues Borba (São Paulo, Brazil)Second secretaryOlival de Oliveira Júnior (Paraná, Brazil)First treasurerLuiz Fernando Lomelino Soares (Rio de Janeiro, Brazil)Second treasurerRodrigo Oliva Perez (São Paulo, Brazil)

Consulting CouncilSergio Carlos Nahas (São Paulo, Brazil)Francisco Lopes Paulo (Rio de Janeiro, Brazil)Francisco Sergio Pinheiro Regadas (Ceará, Brazil)Luciana Maria Pyramo Costa (Minas Gerais, Brazil)Carlos Walter Sobrado Junior (São Paulo, Brazil)Paulo Gonçalves de Oliveira (Distrito Federal, Brazil)Ronaldo Coelho Salles (Rio de Janeiro, Brazil)

Scientific CommitteeSergio Eduardo Alonso Araújo (São Paulo, Brazil)Antonio Lacerda Filho (Minas Gerais, Brazil)Lusmar Veras Rodrigues (Ceará, Brazil)

Journal CommitteeHenrique Sarubbi Fillmann (Rio Grande do Sul, Brazil)Carlos Augusto Real Martinez (São Paulo, Brazil)Paulo Gustavo Kotze (Paraná, Brazil)

Class Defense CommitteeMarcelo Rodrigues Borba (São Paulo, Brazil)Elias Couto e Almeida Filho (Distrito Federal, Brazil)Carlos Frederico Sparapan Marques (São Paulo, Brazil)

Board Certification CommitteeCarlos Augusto Real Martinez (São Paulo, Brazil)Rodrigo Oliva Perez (São Paulo, Brazil)Edna Delabio Ferraz (Rio de Janeiro, Brazil)Tiago Leal Ghezzi (Rio Grande do Sul, Brazil)José Ricardo Hildebrandt Coutinho (Rio de Janeiro, Brazil)Sidney Roberto Nadal (São Paulo, Brazil)Juvenal da Rocha Torres Neto (Sergipe, Brazil)Marleny Novaes Figueiredo de Araujo (São Paulo, Brazil)Rosilma Gorete Lima Barreto (Maranhão, Brazil)Rodrigo Gomes da Silva (Minas Gerais, Brazil)Eduardo Cortez Vassallo (Rio de Janeiro, Brazil)Rudimar Issler Meurer (Rio Grande do Sul, Brazil)Luciana Paes Peixoto Netto (Rio de Janeiro, Brazil)José Alfredo dos Reis Junior (São Paulo, Brazil)Carlos Ramon Silveira Mendes (Bahia, Brazil)

Teaching and Medical Residency CommitteeLuis Cláudio Pandini (São Paulo, Brazil)João de Aguiar Pupo Neto (Rio de Janeiro, Brazil)Marco Aurélio Viana França (Goiás, Brazil)Antonio Sergio Brenner (Paraná, Brazil)Lusmar Veras Rodrigues (Ceará, Brazil)Paulo de Azeredo Passos Candelária (São Paulo, Brazil)Renata Magali Ribeiro Sillúzio Ferreira (Minas Gerais, Brazil)Ulysses Ribeiro Jr (São Paulo, Brazil)Daniel de Barcellos Azambuja (Rio Grande do Sul, Brazil)Raquel Franco Leal (São Paulo, Brazil)Silvana Marques e Silva (Distrito Federal, Brazil)Fernanda Belotti Formiga (São Paulo, Brazil)Flávio Roberto Santos e Silva (Maranhão, Brazil)Andréa Povedano (Rio de Janeiro, Brazil)Thaísa Barbosa da Silva (Minas Gerais, Brazil)

SBCP Delegates at ALACPTitularSthela Maria Murad Regadas (Ceará, Brazil)Paulo Gonçalves de Oliveira (Distrito Federal, Brazil)

AlternatesMarcelo Rodrigues Borba (São Paulo, Brazil)Magda Maria Profeta da Luz (Minas Gerais, Brazil)

SBCP OfficeJanilene Andrade AfonsoAv. Marechal Câmara, 160Conj. 916/917 - Edifício OrlyCEP 20020-080Rio de Janeiro, RJFone/fax: 55 (21) 2240-8927E-mail: sbcp@sbcp.org.br

website: www.sbcp.org.br

Elsevier OfficeRua Sete de Setembro, 111 - 16º andarCentro - Rio de Janeiro, RJ, BrasilCEP 20050-006Phone: +55 (21) 3970-9300Fax: +55 (21) 2507-1991www.elsevier.comperiodicos@elsevier.com.br

Journal of Coloproctology is listed in Web of Science and SciELO databases. JCOL is affi liated to the International Committee of Medical Journal Editors.

Journal of Coloproctology (JCOL) is an offi cial publication of the Brazilian Society of Coloproctology (SBCP) in partnership with Elsevier Editora Ltda. and is dedicated to the medical community in Brazil and Latin America.

Edited by Brazilian Society of Coloproctology Published by Elsevier Editora Ltda. © 2016.

All rights reserved and protected by law 9.610 - 19/02/98. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording or any information storage and retrieval system, without permission in writing from SBCP and the Publisher.

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Content dedicated to the medical community.

Brazilian Society of Coloproctology Board 2015/2016