TITLE

Thin-section CT findings in Pseudomonas aeruginosa pulmonary infection

AUTHOR(S)
OKADA, F.; ONO, A.; ANDO, Y.; NAKAYAMA, T.; ISHII, R.; SATO, H.; KIRA, A.; TOKIMATSU, I.; KADOTA, J.; MORI, H.
PUB. DATE
December 2012
SOURCE
British Journal of Radiology;Dec2012, Vol. 85 Issue 1020, p1533
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Objective: The aim of this study was to assess clinical and pulmonary thin-section CT findings in patients with acute Pseudomonas aeruginosa (PA) pulmonary infection. Methods: We retrospectively identified 44 patients with acute PA pneumonia who had undergone chest thin-section CT examinations between January 2004 and December 2010. We excluded nine patients with concurrent infections. The final study group comprised 35 patients (21 males, 14 females; age range 30-89 years, mean age 66.9 years) with PA pneumonia. The patients' clinical findings were assessed. Parenchymal abnormalities, enlarged lymph nodes and pleural effusion were evaluated on thin-section CT. Results: Underlying diseases included malignancy (n=13), a smoking habit (n=11) and cardiac disease (n=8). CT scans of all patients revealed abnormal findings, including ground-glass opacity (n=34), bronchial wall thickening (n=31), consolidation (n=23) and cav ties (n=5). Pleural effusion was found in 15 patients. Conclusion: PA pulmonary infection was observed in patients with underlying diseases such as malignancy or a smoking habit. The CT findings in patients with PA consisted mainly of ground-glass attenuation and bronchial wall thickening. Advances in knowledge: The CT findings consisted mainly of ground-glass attenuation, bronchial wall thickening and cavities. These findings in patients with an underlying disease such as malignancy or a smoking habit may be suggestive of pneumc.nia caused by PA infection.
ACCESSION #
84408845

 

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