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Vol. 53. Issue 4.
Pages 315-325 (July - August 2011)
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Vol. 53. Issue 4.
Pages 315-325 (July - August 2011)
Update in Radiology
CT colonography: What radiologists need to know
Colonografía por TC. Lo que el radiólogo debe conocer
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3898
M. Pagés Llinás
Corresponding author
pages@clinic.ub.es

Corresponding author.
, A. Darnell Martín, J.R. Ayuso Colella
Centro de Diagnóstico por la Imagen (CDI), Hospital Clínic de Barcelona, Barcelona, Spain
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Table 1. Classification of CTC findings and management recommendations drawn up by the Working Group on Virtual Colonoscopy and known as C-RADS.
Abstract

In 2008, CT colonography was approved by the American Cancer Society as a technique for screening for colorectal cancer. This approval should be considered an important step in the recognition of the technique, which although still relatively new is already changing some diagnostic algorithms. This update about CT colonography reports the quality parameters necessary for a CT colonographic study to be diagnostic and reviews the technical innovations and colonic preparation for the study. We provide a brief review of the signs and close with a discussion of the current indications for and controversies about the technique.

Keywords:
Polyp
CT-colonography
Colo-rectal cancer
CT
Colon
Resumen

La colonografía por TC fue aceptada por la American Cancer Society en el 2008 como técnica de cribado para el cáncer colorrectal. Este hecho debe considerarse un gran paso en el reconocimiento de la técnica, que aun siendo relativamente nueva está cambiando ya algunos algoritmos diagnósticos. En esta actualización sobre colonografía por TC se describen los parámetros de calidad que hacen a una colonografía por TC diagnóstica y se revisan las innovaciones técnicas y de preparación colónica. Se apunta, aunque brevemente, un recordatorio de la semiología, y se discute, para finalizar, el estado actual de sus indicaciones, incidiendo en las controversias actuales.

Palabras clave:
Pólipo
Colonografía TC
Cáncer colorrectal
TC
Colon

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