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Case Report
CT can aid as a tool in the diagnostic in influenza A (H1N1)-associated pneumonia
1 Adjunt Professor, Department of Radiology, Head of Radiology Service, Antônio Pedro University Hospital, Federal Fluminense University, 303 Marquês do Paraná Av., 2nd Floor, Niterói, Rio de Janeiro, Brazil
2 169 ap 1101 Mem de Sá st, Niterói, Rio de Janeiro, Brazil
3 Associate Professor and Vice Chief of the Department of Radiology, Graduate Program in Medical Sciences, Antônio Pedro University Hospital, Federal Fluminense University, 303 Marquês do Paraná Av., 2nd Floor, Niterói, Rio de Janeiro, Brazil
4 Coordinator of the Center of Images of the Complex Hospital of Niterói – CHN, Dr Geraldo de Melo Ourívio Avenue, Niterói, Rio de Janeiro, Brazil
5 Full Professor, Department of Clinical Medicine—Infectious and Parasitic Diseases, Head of Graduate Program in Medical Sciences, Antônio Pedro University Hospital, Federal Fluminense University, 303 Marquês do Paraná Avenue, 4th Floor, Niterói, Rio de Janeiro, Brazil
6 97 Álvares de Azevedo st, Niterói, Rio de Janeiro, Brazil
7 Associate Professor of Pulmonology, Department of Clinical Medicine, Faculty of Medicine, Antônio Pedro University Hospital, Federal Fluminense University, 303 Marquês do Paraná Avenue, 4th Floor, Niterói, Rio de Janeiro, Brazil
8 182 Lopes Trovão st, Niterói, Rio de Janeiro, Brazil
Address correspondence to:
Cristina Asvolinsque Pantaleão Fontes
169 ap 1101 Mem de Sá st, 24220-261 Niterói, Rio de Janeiro,
Brazil
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Article ID: 101066Z01CF2019
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How to cite this article
Fontes CAP, dos Santos AASMD, de Oliveira SA, Aidê MA. CT can aid as a tool in the diagnostic in influenza A (H1N1)-associated pneumonia. Int J Case Rep Images 2019;10:101066Z01CF2019.ABSTRACT
Introduction: In our study, we present a case of influenza A (H1N1)-associated pneumonia where the computed tomography (CT) findings were of great importance in the suspicion of the etiological agent, later confirmed by reverse transcription polymerase chain reaction (RT-PCR). The CT exam is very fast and allows rapid evaluation of the images, with suspected diagnosis, and institution of the treatment, allowing better clinical evolution of the patient, as well as contributing to reduce the possibility of transmission of the disease.
Case Report: The patient presented with flu symptoms with progressive worsening, being attended at the Emergency Service already with cough, chest pain, fever, and dyspnea/tachypnea, CT findings showed consolidations and ground-glass opacities, predominating in the lower lobes, which led to the suspicion of influenza A (H1N1)-associated pneumonia, although we do not have an epidemiological history in our city. The patient was admitted directly to the Intensive Care Unit, and influenza A (H1N1) had been confirmed by RT-PCR in the bronchoalveolar lavage and nasopharyngeal smear.
Conclusion: Although the CT aspects are not specific, the principal findings of consolidation, ground-glass opacities, and the association of these aspects may suggest the disease, especially high resolution series (HRCT) because it allows better study of interstitial lesions. At our hospital we followed cases of pneumonia in the 2009 pandemic, and we also placed a CT exam of this time, performing a comparative study.
Keywords: Consolidations, CT, Ground-glass opacities, HRCT, Influenza A (H1N1), Viral pneumonia
SUPPORTING INFORMATION
Author Contributions
Cristina Asvolinsque Pantaleão Fontes - Acquisition of data, Interpretation of data, Drafting the article, Final approval of the version to be published
Alair Augusto Sarmet Moreira Damas dos Santos - Substantial contributions to conception and design, Acquisition of data, Analysis of data, Interpretation of data, Drafting the article, Final approval of the version to be published
Solange Artimos de Oliveira - Acquisition of data, Revising it critically for important intellectual content, Final approval of the version to be published
Miguel Abdon Aidê - Substantial contributions to conception and design, Acquisition of data, Drafting the article, Final approval of the version to be published
Guaranter of SubmissionThe corresponding author is the guarantor of submission.
Source of SupportNone
Consent StatementWritten informed consent was obtained from the patient for publication of this article.
Data AvailabilityAll relevant data are within the paper and its Supporting Information files.
Conflict of InterestAuthors declare no conflict of interest.
Copyright© 2019 Cristina Asvolinsque Pantaleão Fontes et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information.
