医学
甲状腺
病理
恶性肿瘤
转移
细针穿刺
组织病理学
甲状腺癌
癌
转移癌
腺癌
细胞学
癌症
活检
内科学
作者
Tarunpreet Saini,Parikshaa Gupta,Nalini Gupta,Radhika Srinivasan,Uma Nahar Saikia,Pranab Dey
出处
期刊:Cytopathology
[Wiley]
日期:2023-03-07
卷期号:34 (3): 239-249
被引量:4
摘要
Abstract Background Metastasis to the thyroid gland from non‐thyroid sites is relatively rare and often poses a diagnostic difficulty on fine‐needle aspiration cytology, as it often mimics primary thyroid neoplasms. Methods All cases of fine needle aspiration cytology (FNAC) of metastasis to the thyroid gland (2014‐2022) were selected from the pathology database. The detailed cytopathological features and histopathology of the cases were studied. Results There was a total of 18 cases of secondary tumours of the thyroid. All cases had confirmed histopathological data. The most common primary tumours in our study were squamous cell carcinoma of the oesophagus (nine cases) followed by infiltrating ductal carcinoma of the breast (four cases), and one case each of renal cell carcinoma, neuroendocrine carcinoma of the lung, adenocarcinoma stomach and malignant melanoma and squamous cell carcinoma from vallecula. Conclusion Metastasis to thyroid carcinoma is relatively uncommon. A history of malignancy, the presence of malignant cells amid benign thyroid follicular cells, unusual malignancy in a FNAC smear and immunocytochemistry are helpful in diagnosing such cases.
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