TTF-1 陽性胃癌肺転移の 1 切除例

書誌事項

タイトル別名
  • TTF-1 positive metastatic lung cancer from gastric cancer—Report of a resected case—
  • TTF-1 positive metastatic lung cancer from gastric cancer^|^mdash;Report of a resected case^|^mdash;

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抄録

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.<br>Diagnostic approaches combining cytology and clinical information are advisable to improve the yield for accurate diagnosis of pulmonary malignancies.

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