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A case of schwannoma thought to be cervical lymph node metastasis on FDG-PET/CT after surgery for lung cancer Daiki Yamaguchi 1 1Department of Chest Surgery Fukushima medical university Keyword: 神経鞘腫 , 肺癌 , リンパ節転移 pp.81-85
Published Date 2023/1/31
DOI https://doi.org/10.18888/rp.0000002235
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A woman in her 80s underwent surgery for pulmonary adenocarcinoma in the upper lobe of the right lung. A CT scan 14 months postoperatively showed a tendency of enlargement of the nodule in her right neck, so FDG-PET/CT was performed, revealing FDG accumulation at the lesion. Cervical lymph node metastasis was suspected. The patient underwent diagnostic biopsy, which showed S-100-positive spindle cells and a diagnosis of benign schwannoma was made. Schwannomas, even benign, may enlarge and result in high accumulation of FDG, so caution is required in distinguishing them from lung cancer recurrence or metastasis.


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電子版ISSN 印刷版ISSN 0009-9252 金原出版

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