Sentinel lymph node mapping in the management of colorectal cancer: preliminary report.

Aim And Background: The problem of understaging the lymph node status in colorectal cancer because of missed micrometastases led authors to investigate the role of sentinel node (SN) mapping also in colorectal malignancies. The aim of this study was to evaluate the feasibility of the technique and to correlate the results with some characteristics of the primary tumor.

Methods: Sentinel lymph node mapping was performed in 23 patients who underwent a standard lymphadenectomy for colorectal cancer.

Complications of colonic diverticular disease. Comparative study of two series.

Objective: To compare the form of presentation and management of the disease in two surgical units covering geographically different populations.

Design: Observational retrospective study.

Patients And Method: 203 cases from the 2nd Chair of Surgery of the Hospital Universitario de Clínicas de Asunción, Paraguay and 150 cases from the Hospital Universitario de Lleida, Spain.