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Vol. 62. Issue 4.
Pages 280-291 (July - August 2020)
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Vol. 62. Issue 4.
Pages 280-291 (July - August 2020)
Update in Radiology
DOI: 10.1016/j.rxeng.2020.01.011
Aortoenteric fistulas: Spectrum of MDCT findings
Fístula aortoentérica: Espectro de hallazgos en tomografía computarizada multidetector
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S. Nagrani Chellaram
Corresponding author
satish.nagrani@gmail.com

Corresponding author.
, E. Martínez Chamorro, S. Borruel Nacenta, L. Ibáñez Sanz, A. Alcalá-Galiano
Servicio de Radiología, Hospital Universitario 12 de Octubre, Madrid, Spain
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Table 1. Direct and indirect signs of aortoenteric fistula on computed tomography.
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Abstract

An aortoenteric fistula is an abnormal communication between the aorta and the gastrointestinal tract wall. The high mortality associated with this rare entity means it requires early accurate diagnosis. Aortoenteric fistulas are classified as primary when they develop on a native aorta that has not undergone an intervention and as secondary when they develop after vascular repair surgery.

All radiologists need to be able to recognise the direct and indirect signs that might suggest the presence of an aortoenteric fistula. This article reviews the types of aortoenteric fistulas and their clinical and pathophysiological correlation, as well as the diagnostic algorithm, illustrating the most characteristic findings on multidetector computed tomography.

Keywords:
Aortic diseases/pathology
Vascular fistula/diagnostic imaging
Digestive system fistula/diagnostic imaging
Computed tomography angiography
Resumen

Una fístula aortoentérica (FAE) es una comunicación aberrante entre la aorta y la pared del tubo digestivo. Se trata de una entidad rara pero con alta mortalidad que requiere, por tanto, un diagnóstico certero y precoz. Se clasifica como primaria si se desarrolla sobre una aorta nativa no intervenida previamente o como secundaria cuando ocurre en un contexto de complicación posquirúrgica de reparación vascular.

Todo radiólogo debería saber reconocer los signos directos e indirectos que pudieran sugerir la existencia de una FAE. En este artículo se revisan los tipos de FAE y su correlación clínico-fisiopatológica, así como el algoritmo diagnóstico exponiendo los hallazgos radiológicos típicos en tomografía computarizada.

Palabras clave:
Enfermedad/patología aórtica
Fístula vascular
Fístula digestiva
Tomografía computarizada

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