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Section 3. Summaries of Infectious Diseases
Yersinia enterocolitica and Yersinia pseudotuberculosis Infections
(Enteritis and Other Illnesses)Clinical Manifestations
Etiology
Epidemiology
Diagnostic Tests
Treatment
Isolation of the Hospitalized Patient
Control Measures
CLINICAL MANIFESTATIONS: Yersinia enterocolitica and Yersinia pseudotuberculosis cause several age-specific syndromes and a variety of uncommon presentations. The most common manifestation of infection with Y enterocolitica is enterocolitis with fever and diarrhea; stool often contains leukocytes, blood, and mucus. This syndrome occurs most often in young children. A pseudoappendicitis syndrome (fever, abdominal pain, tenderness in the right lower quadrant of the abdomen, and leukocytosis) occurs primarily in older children and young adults. Focal infections, abscess formation (such as hepatic and splenic), and bacteremia occur most often in patients with predisposing conditions, such as excessive iron storage. Other manifestations of infection are uncommon and include pharyngitis, meningitis, osteomyelitis, pyomyositis, conjunctivitis, pneumonia, acute proliferative glomerulonephritis, peritonitis, and primary cutaneous
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