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Thyroiditis due to Brucella melitensis--report of two cases
1Department of Medical Microbiology, University of Zurich, Switzerland.
Infection
|May 1, 1990
Summary
Two cases of thyroiditis caused by Brucella melitensis infection were reported in foreign workers in Switzerland. Prompt antibiotic treatment led to recovery in both patients, with one case also involving thyroid cancer.
Area of Science:
- Endocrinology
- Infectious Diseases
- Pathology
Background:
- Brucellosis is a zoonotic infection with diverse clinical manifestations.
- Thyroiditis can present with symptoms mimicking other conditions, potentially masking underlying infections.
- Brucella melitensis is a primary cause of human brucellosis globally.
Observation:
- Two foreign workers in Switzerland presented with clinical and sonographic findings of thyroiditis.
- The thyroiditis symptoms obscured the typical signs and symptoms of brucellosis in both cases.
- Diagnostic blood cultures were crucial in identifying Brucella melitensis as the causative agent.
Findings:
- Both patients exhibited thyroiditis attributed to Brucella melitensis infection.
- One patient was concurrently diagnosed with thyroid malignancy.
- Thyroid function tests remained normal in both individuals throughout the course of the illness.
- Complete recovery was achieved with appropriate antibiotic therapy.
Implications:
- This highlights the importance of considering Brucellosis in the differential diagnosis of thyroiditis, especially in endemic or occupational exposure settings.
- Early microbiological diagnosis is critical for effective treatment and management of Brucella-induced thyroiditis.
- The co-occurrence of thyroiditis and malignancy warrants further investigation into potential pathogenetic links or diagnostic challenges.