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Even though Gemella morbillorum infection (GMI) is rare in humans, it may, nevertheless, cause endocarditis, meningitis, brain abscess, pleural empyema, nephritis, mediastinitis, and – occasionally – liver abscess. We are describing the case of a 64-year-old Caucasian male admitted with fever and abdominal pain. Laboratory parameters revealed inflammation signs, and instrumental examinations showed the presence of diverticula in the ascending colon. Abdominal ultrasound (US) and computer tomography (CT) showed two focal lesions in the right liver lobe. One had the characteristics of a simple cyst; the second was hypoechoic with a low density area, possibly containing necrotic material. US-guided needle biopsy was found negative for neoplastic cells, showing purulent infiltrate. Pus culture was found positive for GMI. Systemic antibiotic therapy, coupled with repeated US-guided needle aspiration, induced the resolution of the hepatic abscess. Few cases have been reported of hepatic abscess caused by GMI in immunocompetent non-cirrhotic subjects.

Paolo Borro, IRCCS Azienda ospedaliera universitaria San Martino-IST Genova

Department of Medicine

Alessandro Sumberaz, IRCCS Azienda ospedaliera universitaria San Martino-IST Genova

Department of Medicine

Gianni Testino, IRCCS Azienda ospedaliera universitaria San Martino-IST Genova

Department of Medicine
Borro, P., Sumberaz, A., & Testino, G. (2014). Pyogenic liver abscess caused by Gemella morbillorum. Colombia Medica, 45(2), 81–84. https://doi.org/10.25100/cm.v45i2.1288

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Received 2013-02-04
Accepted 2014-03-04
Published 2014-07-03