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Year : 2013  |  Volume : 10  |  Issue : 3  |  Page : 104-107

Fine needle aspiration cytology of thyroglossal duct cyst: Diagnostic pitfalls and a study of 14 cases

Department of Pathology, Padm. Dr. D. Y. Patil Medical College, Pimpri, Pune, Maharashtra, India

Correspondence Address:
Shirish S Chandanwale
Department of Pathology, Padm. Dr. D.Y. Patil Medical College, Pimpri, Pune, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0973-0354.116136

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Objectives: To review the cytohistological features of 14 cases of thyroglossal duct cyst (TDC), to ascertain the role of fine needle aspiration cytology (FNAC) in the diagnosis and treatment, and to discuss the diagnostic pitfalls. Materials and Methods: FNAC of 14 patients of TDC diagnosed clinically and by ultrasound examination of neck was studied. Cytology features were correlated with histopathologic features. Results: Cytology smears showed most commonly few macrophages (n = 7), followed by polymorphonuclear leukocytes (n = 4). One case showed few small sheets and many dispersed follicular cells showing features suspicious of papillary thyroid carcinoma (PTC). Histopathology showed pseudostratified columnar and cuboidal epithelium (n = 6) in maximum cases and confirmed PTC in one case. Conclusion: Imaging techniques or FNAC alone is not adequate for pre-treatment assessment of all TDC cases. All TDC patients must be subjected to image-guided FNAC for early and accurate diagnosis of TDC carcinoma for timely clinical intervention.

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