Original article

DOI: 10.1016/j.gastre.2024.04.038

Implementation of the updated Sydney system biopsy protocol improves the diagnostic yield of gastric preneoplastic conditions: Results from a real-world study

La implementación del protocolo de biopsia del sistema de Sydney actualizado mejora el rendimiento diagnóstico de las condiciones preneoplásicas gástricas: resultados de un estudio en el mundo real

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Gonzalo Latorrea,1, José Ignacio Vargasa,1, Shailja C. Shahb,c, Danisa Ivanovic-Zuvicd, Pablo Achurrae, Martín Fritzschef, Jai-Sen Leungf, Bernardita Ramosf, Elisa Jensenf, Javier Uribea, Isabella Monterof, Vicente Gandaraf, Camila Roblesf, Miguel Bustamantef, Felipe Silvaf, Eitan Dukesf, Oscar Corsia, Francisca Martínezf, Victoria Binderf, Roberto Candiaa..., Robinson Gonzáleza, Alberto Espinoa, Carlos Agüeroa, Allan Sharpe, Javiera Torresg, Juan Carlos Roag,h, Margarita Pizarroa, Alejandro H. Corvalani,j, Charles S. Rabkink, M. Constanza Camargok, Arnoldo Riquelmea,h,

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a.riquelme.perez@gmail.com

Corresponding author.

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a Department of Gastroenterology, Pontificia Universidad Católica de Chile, Santiago, Chile

b Gastroenterology Section, Veterans Affairs, San Diego Healthcare System, San Diego, CA, USA

c Division of Gastroenterology, University of California, San Diego, San Diego, CA, USA

d Department of Internal Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile

e Department of Digestive Surgery, Pontificia Universidad Católica de Chile, Santiago, Chile

f School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile

g Department of Pathology, Pontificia Universidad Católica de Chile, Santiago, Chile

h Center for Cancer Prevention and Control, CECAN, Chile

i Department of Hematology and Oncology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile

j Advanced Center for Chronic Diseases (ACCDIS), Santiago, Chile

k Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, USA

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