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Vol. 64. Issue 3.
Pages 245-255 (May - June 2022)
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Vol. 64. Issue 3.
Pages 245-255 (May - June 2022)
Radiology through images
Anisakiasis: Imaging findings
Anisakiasis: manifestaciones radiológicas
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R. Fornell Pérez
Corresponding author
robforper@gmail.com

Corresponding author.
, M. Urizar Gorosarri, M. Pérez Bea
Servicio de Radiodiagnóstico, Hospital Universitario Basurto, Bilbao, Bizkaia, Spain
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Abstract
Objective

To review the main findings for anisakiasis in the different imaging tests that can be used to diagnose it, based on studies done at our center.

Conclusion

The presence of Anisakis species in food consumed in Western countries is becoming more common. Patients with anisakiasis present with acute abdomen; there are no specific clinical signs or laboratory findings. Careful history taking is key to discovering exposure to Anisakis-contaminated food, but this task is hindered by unfamiliarity with the condition and lack of suspicion and is also confounded by the variable latency period after ingestion of Anisakis-contaminated food. Give the nonspecific presentation, patients with anisakiasis often undergo imaging tests to rule out other processes. Thus, radiologists need to be familiar with the spectrum of imaging findings that should lead to the inclusion of anisakiasis in the differential diagnosis, so they can guide clinicians toward directed history taking and specific tests.

Keywords:
Anisakis
Computed tomography
Ultrasonography
Resumen
Objetivo

Revisar los principales hallazgos radiológicos de la anisakiasis en las diferentes pruebas de imagen que se pueden utilizar en su diagnóstico, basándonos en estudios realizados en nuestro centro.

Conclusión

La contaminación alimentaria por Anisakis muestra una tendencia creciente en países occidentales. Habitualmente se presenta como un cuadro de patología abdominal aguda, sin datos clínicos o analíticos característicos. Una anamnesis cuidadosa es clave para descubrir el antecedente de exposición, pero se ve dificultada al ser un proceso poco conocido o sospechado y con un periodo de latencia variable. Al tratarse de cuadros poco específicos, a estos pacientes con frecuencia se les realizan pruebas radiológicas para descartar otros procesos. Por ello, es recomendable familiarizarse con los posibles hallazgos en imagen que permitan incluir la anisakiasis en el diagnóstico diferencial, lo que podría guiar al clínico hacia una anamnesis dirigida y pruebas específicas.

Palabras clave:
Anisakis
Tomografía computarizada
Ecografía

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