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Ascites Caused by Intestinal Anisakiasis: A Case Report and Literature Review
Yutaka Furuta1, Naoto Matsuda2, Hiroaki Wakakuri2
1Department of Pediatrics, Vanderbilt University Medical Center.
Summary
Intestinal anisakiasis, a rare parasitic infection from raw fish, can present with vague abdominal symptoms. Ascites and elevated anti-Anisakis antibodies aid in diagnosing this condition.
Area of Science:
- Medical Parasitology
- Gastroenterology
- Infectious Diseases
Background:
- Anisakiasis is a human parasitic infection caused by consuming raw or undercooked seafood.
- Gastric anisakiasis is common, but intestinal anisakiasis is rare.
- Diagnosis can be challenging due to nonspecific symptoms.
Purpose of the Study:
- To report a rare case of intestinal anisakiasis.
- To highlight diagnostic indicators for intestinal anisakiasis.
Main Methods:
- Case report of a 63-year-old woman with abdominal pain and vomiting.
- Abdominal computed tomography (CT) for imaging.
- Measurement of anti-Anisakis antibody titers (IgG/A and IgE).
- Review of 51 previously reported intestinal anisakiasis cases.
Main Results:
- The patient presented with symptoms suggestive of intestinal obstruction and developed ascites.
- Contrast-enhanced CT showed ascites shifting location.
- Elevated anti-Anisakis antibody levels confirmed intestinal anisakiasis.
- Review suggests ascites and antibody titers are useful diagnostic markers.
Conclusions:
- Intestinal anisakiasis should be considered in patients with nonspecific abdominal symptoms after raw seafood consumption.
- Ascites and elevated anti-Anisakis antibody titers are valuable diagnostic clues.
- Early diagnosis and treatment are crucial for managing this parasitic infection.
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