孤立性肺結節により発見された微小甲状腺癌の１例

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A 70-year-old woman visited a medical practitioner because of a cough, and was referred to our hospital due to an abnormality on the chest X-ray. Chest computed tomography (CT) showed a small nodule in the right upper lobe (S3). Because the nodule was diagnosed as adenocarcinoma by aspiration biopsy cytology during surgery, a right upper and middle lobe lobectomy was perfomed. The nodule in the right lung was diagnosed as metastasis from a thyroid carcinoma by histopathology, and subtotal thyroidectomy and neck dissection (D2a) were therefore perfomed two months later. There was micropapillary carcinoma of 8 mm, 5 mm and 3 mm in the thyroid gland, but there was no cervical lymph node metastasis. There has been no recurrence so far.
2011-04-10