Bacteremia due to Prevotella oris of probable hepatic origin.

Prevotella species are Gram-negative anaerobic bacilli mainly involved in oral cavity infections. We report a rare case of bacteremia due to P. oris of probable hepatic origin. A 70-year-old man with a history of diabetes mellitus was admitted for general malaise, fever and dyspnea. The patient was admitted to the ICU due to septic shock. Two sets of blood cultures yielded a pure culture of an anaerobic microorganism identified as P. oris by MALDI-TOF MS. The same microorganism was isolated from a hepatic abscess drainage. Only resistance to penicillin was documented. Treatment with piperacillin-tazobactam and levofloxacin was administered, and the patient was discharged following his recovery.

Pneumoperitoneum and COVID-19. A causal association?

We read with great interest the letter from Pérez Naranjo et al. regarding the case we recently published in this journal. We believe that the case presented by the authors is undoubtedly useful as it contributes to the scarce existing casuistry on the relationship between COVID-19 and the development of pneumatosis/pneumoperitoneum. We would like to emphasize the difficulty of determining the causality of this association due to the frequent co-occurrence of other causes that could justify the presence of pneumatosis/pneumoperitoneum.

Utilidad de la resonancia magnética cerebral en el diagnóstico de la xantomatosis cerebrotendinosa / Usefulness of brain magnetic resonance in the diagnosis of cerebrotendinous xanthomatosis

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