日本臨床細胞学会雑誌
Online ISSN : 1882-7233
Print ISSN : 0387-1193
ISSN-L : 0387-1193
短報
TTF-1 陽性胃癌肺転移の 1 切除例
小川 史洋中島 裕康柿沼 廣邦三枝 信佐藤 之俊
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2014 年 53 巻 2 号 p. 148-149

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A 61-year-old man underwent distal gastrectomy for gastric cancer. Two years after the surgery, chest CT revealed a nodular lesion in the lung. Lobectomy was performed because primary lung cancer was suspected by the preoperative cytology. Finally, histopathologial examination of the resected specimen revealed the nodule as a metastasis from gastric cancer. The tumor stump cytology showed a necrotic background and cell clusters with three-dimensional tubular structures. The nuclei showed a coarsely granular chromatin pattern with prominent nucleoli. Moreover, the nuclei also showed focal TTF-1 immunoexpression.
Diagnostic approaches combining cytology and clinical information are advisable to improve the yield for accurate diagnosis of pulmonary malignancies.

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© 2014 公益社団法人 日本臨床細胞学会
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