Navarro-Ballester A, Barrachina-Hidalgo S, Ambit-Capdevila S, Marco-Doménech SF

Language: Spanish
References: 24
Page: 160-171
PDF size: 623.37 Kb.

ABSTRACT

Objective: Evaluate the diagnostic value of some findings in thoracic computed tomography, in patients with confirmed pulmonary nocardiosis, so that, taken together, they may help distinguish it from other conditions that may show superimposable radiological findings.
Material and methods: Subjects with microbiological diagnosis of nocardiosis in our hospital over a 5-year period were selected. The findings observed in tomography were collected and compared with those observed in three comparison groups made up by pathologies which produce superimposable image manifestations (tuberculosis, pulmonary neoplasms, and pneumonias). We sought to establish a model that would help distinguish, based on image findings, pulmonary nocardiosis from other groups.
Results: We established a model which combines three variables (age, adenopathies, and heterogeneous size of nodules) and obtained a discriminatory capacity of 79 % compared with other alternative diagnoses.
Conclusions: although the findings in image techniques are not specific for pulmonary nocardiosis, the grouping of findings in our model, in a proper clinical context, may be useful in establishing a provisional diagnosis of pulmonary nocardiosis, to the detriment of other possibilities, and help manage therapeutic approaches pending microbiological confirmation.

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