Case Report/Clinical TechniquesA Case of Coinfection in a Chronic Maxillary Sinusitis of Odontogenic Origin: Identification of Dialister pneumosintes
Section snippets
Case Report
A 39-year-old, nonsmoking woman was referred to the Otolaryngology Department of the San Paolo Hospital, University of Milan, Milan, Italy, with a history of 6 months of facial pain, purulent nose discharge, and a foul taste in her mouth that did not respond to nasal washes or long-term antibiotic treatment with amoxicillin 875 mg and clavulanate 125 mg 3 times a day for 15 days. The patient was otherwise healthy and did not report a fever although laboratory blood analysis suggested an
Discussion
Because of the close proximity of the roots of the maxillary posterior dentition to the floor of the sinus, endodontic infections of these teeth may frequently spread to the maxillary sinus, generating inflammatory changes in the mucosal lining that may lead to severe complications 8, 14. Although clinical documentation regarding primary endodontic treatment of #13, #14, and #15 was not available for the present case, a relationship between oral infection and the observed sinusitis may be
Conclusions
To the best of our knowledge, this is the first case reporting an isolation of D. pneumosintes in a mixed infection of a maxillary chronic sinusitis, and considering the type of microorganisms isolated, we can assume their odontogenic provenience, possibly from the teeth that experienced endodontic treatment failure. Concerning the higher virulence characteristics of microorganisms producing biofilm with respect to the planktonic state, it is worth noting that D. pneumosintes proved able to
Acknowledgments
The authors deny any conflicts of interest related to this study.
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Cited by (22)
Hepatic abscess due to Dialister pneumosintes - A case report
2019, AnaerobeCitation Excerpt :In a large collection of Dialister spp. systematically collected by Morio et al., D. pneumosintes was the most frequently identified species (46 samples out of 74) and was documented in a diverse set of clinical samples: cutaneous (52.2%), intra-abdominal (23.9%), respiratory (15.2%), blood (4.3%) and gynecological (2.2%) [3]. A common feature of several of these reports is the likely dental origin of the bacterial infection [7,9,10,12]. In some of these report [7], like in our case, it was the diagnosis of the dental pathogen that prompted the search for the oral cavity infection.
Bartholin's abscess due to Dialister micraerophilus in a woman presenting with repetitive bartholinitis episodes
2018, Medecine et Maladies InfectieusesA case of bacteremia caused by Dialister pneumosintes and Slackia exigua in a patient with periapical abscess
2016, AnaerobeCitation Excerpt :The extra-oral infections with D. pneumosintes and S. exigua have been very rarely reported. There has been one case of pneumonia [10], one of sinusitis [11], two cases of brain abscess [12] and a case of bacteremia [13] with D. pneumosintes and a case of meningitis [14] and cases of wound infections [15] with S. exigua. There has not been any reported case of bacteremia with D. pneumosintes and S. exigua.
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