Exactitud diagnóstica en el cáncer de esófago localizado. Estudio observacional retrospectivo.

Objective: To assess the accuracy of the diagnostic tests for a correct clinical tumor staging in localized esophageal cancer (EC).

Method: Retrospective observational study of patients who underwent esophagectomy for cancer in a referral hospital between January 2003 and September 2019. Those patients who received neoadjuvant treatment were excluded in order to avoid bias from downstaging effects.

Incidence and risk factors for de novo cholelithiasis after bariatric surgery.

Introduction: Obesity and rapid weight loss after bariatric surgery (BS) are risk factors for the development of cholelitiasis. The aim of this study is to know the incidence of the de novo symptomatic cholelitiasis (DNSC) after BS and to analyze the risk factors for its development.

Methods: Single-centre retrospective observational study of patients undergoing BS between January 2010 and December 2017.

Incidence and risk factors for de novo cholelithiasis after bariatric surgery.

Introduction: Obesity and rapid weight loss after bariatric surgery (BS) are risk factors for the development of cholelitiasis. The aim of this study is to know the incidence of the de novo symptomatic cholelitiasis (DNSC) after BS and to analyze the risk factors for its development.

Methods: Single-centre retrospective observational study of patients undergoing BS between January 2010 and December 2017.

Diagnóstico inesperado en paciente con sospecha de GIST: infiltración gástrica por mieloma múltiple.

El mieloma múltiple se caracteriza por la proliferación neoplásica medular de células plasmáticas productoras de inmunoglobulina monoclonal. Un porcentaje pequeño de pacientes presenta compromiso extramedular en forma de plasmocitoma, siendo la localización más habitual las vías respiratorias altas. La afectación gastrointestinal es rara y la clínica asociada dependerá de la localización, la extensión y el mecanismo de infiltración.