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Colonic perforation caused by taeniasis

M Demiriz¹, O Günhan, B Celasun

¹Department of Pathology, Gülhane Military Medical Academy and Medical School, Etlik, Ankara, Turkey.

Tropical and Geographical Medicine

|January 1, 1995

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A rare case of colonic perforation caused by the tapeworm Taenia saginata is presented. This condition mimicked colon cancer on ultrasound, highlighting a unique diagnostic challenge in parasitic infections.

Area of Science:

Gastroenterology
Parasitology
Diagnostic Imaging

Background:

Colonic perforation is a serious condition often associated with diverticulitis, malignancy, or inflammatory bowel disease.
Taenia saginata, a type of tapeworm, is a known intestinal parasite, but colonic perforation is an extremely rare complication.
Accurate preoperative diagnosis is crucial for appropriate management and to avoid unnecessary surgical interventions.

Observation:

A patient presented with symptoms suggestive of a gastrointestinal emergency.
Preoperative ultrasonography revealed a 'pseudokidney sign' in the colon, a finding typically associated with colonic carcinoma.
The clinical presentation and imaging findings were atypical for common causes of colonic perforation.

Findings:

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The colonic perforation was definitively diagnosed as being caused by Taenia saginata infection.

The 'pseudokidney sign' on ultrasound, usually indicative of malignancy, was observed in this parasitic perforation case.

The report details the clinical and ultrasonographic characteristics of this rare parasitic complication.

Implications:

This case underscores the importance of considering parasitic infections, such as Taenia saginata, in the differential diagnosis of colonic perforation, even with imaging suggestive of malignancy.
Awareness of this rare presentation can improve diagnostic accuracy and guide appropriate treatment strategies, potentially avoiding misdiagnosis and delayed care.
Further research into the mechanisms of parasitic-induced colonic perforation may enhance understanding and diagnostic capabilities in tropical and subtropical regions.