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Kato A, Yamamoto H, Ikeda M, et al. A case of pulmonary Mycobacterium avium infection in an immunocompetent patient who showed a huge consolidation with a high FDG uptake on PET/CT. Respir Med Case Rep. 2016;19:49-52doi: 10.1016/j.rmcr.2016.07.004.
Kato, A., Yamamoto, H., Ikeda, M., Tateishi, K., Ushiki, A., Yasuo, M., Kawakami, S., Asaka, S., Oguchi, K., & Hanaoka, M. (2016). A case of pulmonary Mycobacterium avium infection in an immunocompetent patient who showed a huge consolidation with a high FDG uptake on PET/CT. Respiratory medicine case reports, 1949-52. https://doi.org/10.1016/j.rmcr.2016.07.004
Kato, Akane, et al. "A case of pulmonary Mycobacterium avium infection in an immunocompetent patient who showed a huge consolidation with a high FDG uptake on PET/CT." Respiratory medicine case reports vol. 19 (2016): 49-52. doi: https://doi.org/10.1016/j.rmcr.2016.07.004
Kato A, Yamamoto H, Ikeda M, Tateishi K, Ushiki A, Yasuo M, Kawakami S, Asaka S, Oguchi K, Hanaoka M. A case of pulmonary Mycobacterium avium infection in an immunocompetent patient who showed a huge consolidation with a high FDG uptake on PET/CT. Respir Med Case Rep. 2016 Jul 07;19:49-52. doi: 10.1016/j.rmcr.2016.07.004. eCollection 2016. PMID: 27489760; PMCID: PMC4961796.
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Respir Med Case Rep. 2016 Jul 07;19:49-52. doi: 10.1016/j.rmcr.2016.07.004. eCollection 2016.

A case of pulmonary Mycobacterium avium infection in an immunocompetent patient who showed a huge consolidation with a high FDG uptake on PET/CT.

Respiratory medicine case reports

Akane Kato, Hiroshi Yamamoto, Mariko Ikeda, Kazunari Tateishi, Atsuhito Ushiki, Masanori Yasuo, Satoshi Kawakami, Shiho Asaka, Kazuhiro Oguchi, Masayuki Hanaoka

Affiliations

  1. First Department of Internal Medicine, Shinshu University School of Medicine, Matsumoto, Japan.
  2. Department of Radiology, Shinshu University School of Medicine, Matsumoto, Japan.
  3. Department of Laboratory Medicine, Shinshu University School of Medicine, Matsumoto, Japan.
  4. Positron Imaging Center, Aizawa Hospital, Matsumoto, Japan.

PMID: 27489760 PMCID: PMC4961796 DOI: 10.1016/j.rmcr.2016.07.004

Abstract

We encountered a middle-aged afebrile immunocompetent woman with a slight cough. Positron emission tomography (PET)/computed tomography (CT) revealed a broad left upper-lobe consolidation without cavity lesions, small nodules, or bronchiectasis showing a positive fluorodeoxyglucose (FDG) uptake with a maximum standardized uptake value (SUVmax) of 26.9. Percutaneous needle lung biopsy specimens showed caseous granulomas without atypical cells and Mycobacterium avium was cultured from left pleural effusion, which developed after the biopsy. The consolidation significantly decreased following combination chemotherapy for approximately 2 years. Clinicians should remember that pulmonary M. avium infection could result in a large consolidation without other typical radiological findings.

Keywords: Angiogram sign; Maximum standardized uptake value (SUVmax); Mycobacterium avium; Positron emission tomography (PET)/computed tomography (CT)

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