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Thyroid metastasis from non-small cell lung cancer
Jun Cao1, Yan-Er Yu2, Ning-Ning Li3
1Department of Comprehensive Medical Oncology, Key Laboratory of Head & Neck Cancer Translational Research of Zhejiang Province, Cancer Hospital of University of Chinese Academy of Sciences, Zhejiang Cancer Hospital Hangzhou, China.
International Journal of Clinical and Experimental Pathology
|January 15, 2020
Summary
Metastasis of lung adenocarcinoma to the thyroid gland is exceptionally rare. This case highlights the critical role of comprehensive diagnostic methods, including pathological and immunohistochemical analysis, for accurate identification and management of such uncommon presentations.
Area of Science:
- Oncology
- Endocrinology
- Pathology
Background:
- Distant metastases to the thyroid gland from non-thyroid malignancies are exceedingly rare.
- The mechanisms and pathways of thyroid metastasis from primary lung cancer are not well-understood.
- Such cases present diagnostic challenges in clinical practice.
Purpose of the Study:
- To report a rare case of lung adenocarcinoma metastasizing to the thyroid gland.
- To discuss the diagnostic methods, pathological features, and treatment strategies for this rare condition.
- To review existing literature on lung cancer metastasis to the thyroid.
Main Methods:
- Case report detailing pathological findings, diagnostic examinations, and treatment.
- Literature search of PubMed and ISI Web of Science databases using keywords 'lung', 'thyroid', and 'metastasis'.
- Review of published reports on thyroid malignancies metastasized from lung cancer.
Main Results:
- Successfully identified and documented a case of lung adenocarcinoma with thyroid metastasis.
- Detailed pathological and immunohistochemical analyses were performed.
- Literature review confirmed the rarity of this phenomenon and identified key diagnostic and prognostic factors.
Conclusions:
- Comprehensive diagnostic approaches, including cephalometry, pathological examination, and immunohistochemistry, are crucial for diagnosing rare thyroid metastases.
- This case underscores the importance of considering distant metastases in thyroid nodules, even in the absence of typical symptoms.
- Encourages reporting of similar cases to advance clinical research on lung cancer metastasis to the thyroid.
