Usefulness of Ultrasound in the Diagnosis of Intestinal Anisakiasis

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
Tomás RipollésRocío Vila

Abstract

To evaluate the ultrasound (US) findings of gastrointestinal anisakiasis and the utility of US in its early diagnosis. We retrospectively assessed the imaging findings and clinical data of 21 patients with gastrointestinal anisakiasis. Diagnosis was confirmed by a positive antigen (n = 16), endoscopy (n = 2), or a compatible clinical presentation, physical examination, and history of raw fish consumption (n = 3). Ultrasound findings reviewed included segmental circumferential bowel wall thickening, segmental edema of the valvulae conniventes, dilated small bowel loops with hyperperistalsis or hypoperistalsis, free fluid, and color Doppler hyperemia. Segmental circumferential bowel wall thickening was present in all 21 patients, whereas segmental edema of the valvulae conniventes was visualized in 13 patients, moderately dilated small-bowel loops proximal to the affected segment with increased peristalsis in 14 patients, small-to-moderate ascites in 18 patients, and color Doppler hyperemia in 7 patients. The US evaluation ruled out a surgical pathologic examination in all patients, and the diagnosis of anisakiasis was suggested by the radiologist on the basis of US findings in 12 patients. Familiarity with the suggestive US pres...Continue Reading

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Citations

Feb 7, 2021·Radiología·E Marín-Díez, J Crespo Del Pozo
Feb 23, 2021·Case Reports in Gastroenterology·Takeshi Okamoto, Katsuyuki Fukuda

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