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[Nematode-induced eosinophilic intestinal granuloma. Case report]
1Pathologisches Institut der Universität Erlangen-Nürnberg.
Zeitschrift Fur Gastroenterologie
|November 1, 1987
Summary
Eosinophilic granuloma in the gastrointestinal tract is increasingly linked to Anisakis simplex (herring-roundworm) infections. Symptoms mimic appendicitis, but identifying the specific worm species can be challenging due to decomposition.
Area of Science:
- Gastroenterology
- Parasitology
- Infectious Diseases
Background:
- Eosinophilic granuloma of the gastrointestinal tract (EGGI) is an inflammatory condition.
- Recent observations indicate a rise in EGGI cases associated with Anisakis infections.
Observation:
- Anisakis larvae, commonly found in marine fish like herring, are increasingly implicated in EGGI.
- Clinical presentation often resembles acute appendicitis, leading to potential misdiagnosis.
Findings:
- Confirmation of a worm within the granuloma is typically straightforward.
- Species-level identification of Anisakis larvae is difficult due to advanced decomposition.
- Patients often have poor recall of the initial infection period, complicating diagnosis.
Implications:
- Increased awareness of Anisakis as a cause of EGGI is crucial for accurate diagnosis.
- Diagnostic protocols may need refinement to account for Anisakis-related EGGI.
- Understanding the long-term latency of Anisakis infection is important for patient history.