Secondary thyroid carcinomas - Case 12.Metastasis of an adenocarcinoma of the lung |
Clinical data: a 58-year-old woman was referred for an evaluation of a thyroid nodule and an enlarged lymph node in the right side of the neck. She was examined because of a mass in the right upper lobe of the lung detected on screening.
Functional state: euthyroidism with TSH-level 2.19 mIU/L.
Ultrasonography: an extremely large hypoechogenic nodule in the left thyroid with irregular borders.
Cytological diagnosis: anaplastic adenocarcinoma. The wash-out thyroglobulin determination of the remnant resulted in undetectable level.
Combined diagnosis: secondary cancer of the thyroid.
The patient underwent perthoracal biopsy of the mass in the lung.
The biopsy of the lung: poorly differentiated adenocarcinoma.