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Pseudomesotheliomatous lung cancer mimicking mesothelioma on 18F-FDG PET/CT images: report of 2 cases

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Abstract

The authors report two cases of pseudomesotheliomatous lung cancer (PLC) detected by 18F-FDG PET/CT scan. 18F-FDG PET/CT clearly revealed the extent of the disease in both cases, a case of adenocarcinoma of the lung and a case of squamous cell carcinoma of the lung. Intense 18F-FDG uptake by the diffusely thickened pleurae and primary lesion was observed in both cases, and increased 18F-FDG uptake by a pelvic bone metastasis was observed in the case of squamous cell carcinoma. Although PLC is indistinguishable from malignant pleural mesothelioma on 18F-FDG PET/CT scans, 18F-FDG PET/CT was helpful in identifying the primary focus of the PLCs and in staging the disease. Diagnostic image interpreters should be familiar with the 18F-FDG PET/CT findings in PLC.

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Conflict of interest

The authors of this manuscript have no conflicts of interest to disclose.

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Authors and Affiliations

  1. Department of Radiology, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama, 359-8513, Japan

    Takatoshi Nakamori & Shigeru Kosuda

  2. Department of Radiology, National Self-Defense Force Central Hospital, Tokyo, Japan

    Yukishige Kyoto, Akira Fujikawa & Yutaka Naoi

  3. Department of Internal Medicine, Mishuku Hospital, Tokyo, Japan

    Yoshitaka Nakamori

Authors
  1. Takatoshi Nakamori
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  2. Shigeru Kosuda
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  3. Yukishige Kyoto
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  4. Akira Fujikawa
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  5. Yutaka Naoi
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  6. Yoshitaka Nakamori
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Corresponding author

Correspondence to Shigeru Kosuda.

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Nakamori, T., Kosuda, S., Kyoto, Y. et al. Pseudomesotheliomatous lung cancer mimicking mesothelioma on 18F-FDG PET/CT images: report of 2 cases. Jpn J Radiol 31, 542–545 (2013). https://doi.org/10.1007/s11604-013-0210-z

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  • DOI: https://doi.org/10.1007/s11604-013-0210-z

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