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Updated: Sep 20, 2025

Detection of Extravascular Trypanosoma Parasites by Fine Needle Aspiration

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Anisakiasis: Imaging findings.

R Fornell Pérez¹, M Urizar Gorosarri¹, M Pérez Bea¹

¹Servicio de Radiodiagnóstico, Hospital Universitario Basurto, Bilbao, Bizkaia, Spain.

|June 8, 2022

Summary

This summary is machine-generated.

Anisakiasis, a parasitic infection from contaminated seafood, often presents as acute abdomen with no specific symptoms. Radiologists must recognize imaging findings to aid diagnosis and guide clinical suspicion.

Keywords:

Anisakis Computed tomography Ecografía Tomografía computarizada Ultrasonography

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Published on: June 8, 2017

Area of Science:

Medical Imaging
Parasitology
Gastroenterology

Background:

Anisakiasis is an emerging parasitic infection caused by Anisakis species, increasingly prevalent in Western countries.
Contaminated seafood consumption is the primary transmission route.
Clinical presentation is often nonspecific, mimicking acute abdominal conditions.

Purpose of the Study:

To review imaging findings of anisakiasis.
To enhance radiologists' familiarity with diagnostic imaging features.
To aid in the differential diagnosis of acute abdominal pain.

Main Methods:

Retrospective review of imaging studies in patients diagnosed with anisakiasis.
Analysis of findings across various imaging modalities (e.g., ultrasound, CT, MRI).
Correlation of imaging findings with clinical history and laboratory data.

Main Results:

Anisakiasis can manifest with diverse imaging findings, including bowel wall thickening, ascites, and eosinophilic masses.
Specific patterns may suggest anisakiasis, prompting further clinical investigation.
Imaging plays a crucial role in excluding other pathologies and guiding diagnosis.

Conclusions:

Radiologists must be aware of the imaging spectrum of anisakiasis due to its nonspecific clinical presentation.
Familiarity with imaging findings can facilitate early diagnosis and appropriate patient management.
Prompt recognition of anisakiasis on imaging can lead to targeted history taking and specific diagnostic tests.