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BMJ Case Rep. 2017 Apr 21;2017. pii: bcr-2016-217377. doi: 10.1136/bcr-2016-217377.

Aggregatibacter actinomycetemcomitans pneumonia with chest and abdominal wall involvement.

Author information

1
Canisius Wilhemina Ziekenhuis, Nijmegen, The Netherlands.
2
VU medisch centrum School of Medical Sciences, Amsterdam, The Netherlands.
3
Jeroen Bosch Ziekenhuis, Den Bosch, The Netherlands.
4
Ziekenhuis Bernhoven, Uden, The Netherlands.

Abstract

A 54-year-old man presented with a productive cough, chest pain, fever and weight loss. Initial analysis revealed a palpable chest wall mass and consolidation in the left lower lobe and pleural abnormalities on imaging. At that point no infectious cause or malignancy was identified. Microbiological analysis of a needle biopsy from a newly developed abdominal wall mass revealed growth of Aggregatibacter actinomycetemcomitans The patient was successfully treated with antibiotic therapy for 1 year. Aggregatibacter actinomycetemcomitans is a Gram-negative coccobacillus and is part of the normal oral flora. It is capable of causing infections in humans including periodontitis, soft tissue abscesses and systemic invasive infections, most commonly endocarditis.

KEYWORDS:

Pneumonia (infectious disease); Pneumonia (respiratory medicine); Respiratory medicine; TB and other respiratory infections

PMID:
28432161
PMCID:
PMC5534835
DOI:
10.1136/bcr-2016-217377
[Indexed for MEDLINE]
Free PMC Article

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