Yersinia enterocolitica
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Yersinia enterocolitica /
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Background
- Gram-negative bacillus
- Acquired from unpasteurized milk, undercooked meat (especially pork), contaminated water
- Classic association with chitterlings
Clinical Manifestations
- Incubation period of Usual incubation period:1 to 14 days
- Gastroenteritis, often with pain isolated to right lower quadrant mimicking appendicitis
- Concurrent pharyngitis in 20%, can can be isolated from throat swabs
- Complications include hematogenous dissemination with metastatic abscesses in the liver and spleen, mesenteric adenitis, terminal ileitis, and pseudoappendicitis
- Can lead to reactive arthritis and erythema nodosum
Management
- Unclear if antimicrobial treatment is beneficial unless severe
- Options include ciprofloxacin or ceftriaxone
