Comamonas Testosteroni sinusitis, an unusual pathogen: case report
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Abstract
Introduction: Comamonas Testosteroni is a gram-negative bacillus widely distributed in the environment. Although it is rarely isolated in clinical practice, it has low virulence potential, with few reported cases of endocarditis, peritonitis, and meningitis. Case report: A 79-year-old woman presented with six months of pain in the right side of the face. Brain MRI revealed a lesion in the right sphenoid sinus, suggestive of fungal infection. After surgical management, microbiological and histopathological analysis identified C. testosteroni, leading to targeted antibiotic treatment with good clinical outcome. Discussion: This is the first reported case of chronic sinusitis caused by C. testosteroni. The clinical presentation mimics an invasive fungal infection. Although rare, infection in immunocompromised patients should prompt comprehensive microbiological studies. Conclusions: C. testosteroni should be considered in the differential diagnosis of chronic sinusitis in patients with risk factors. Accurate detection is essential for effective and targeted treatment.
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ISSN: 0120-8411
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