Fe de errores de «Evaluación de las fístulas perianales mediante ecografía endoanal tridimensional y correlación con los hallazgos intraoperatorios»

[Evaluation of three-dimensional endoanal endosonography of perianal fistulas and correlation with surgical findings].

Abstract Objective This study aims to assess the accuracy of three-dimensional endoanal ultrasound (3D-US), two-dimensional ultrasound (2D-US) and physical examination (PE) for the diagnosis of perianal fistulas and correlate the results with intraoperative findings. Materials and methods A prospective, observational study with consecutive inclusion of patients was performed between December 2008 and August 2009. Twenty-nine patients diagnosed with a perianal fistula due to undergo surgery were included. All patients underwent PE, 2D-US and 3D-US, and the results were compared to intraoperative findings. The examinations were repeated with hydrogen peroxide instilled through the external op…