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Papillary Thyroid Carcinoma Arising from Thyroglossal Cyst—an Institutional Experience over a Decade
Ist Teil von
Indian journal of surgical oncology, 2023-03, Vol.14 (1), p.155-159
Ort / Verlag
New Delhi: Springer India
Erscheinungsjahr
2023
Link zum Volltext
Quelle
Electronic Journals Library
Beschreibungen/Notizen
Papillary carcinoma constitutes 80% of thyroglossal duct cyst carcinoma (TGCC). The mainstay of treatment for TGCC is Sistrunk procedure. Due to lack of clear-cut guidelines in managing TGCC, the role of total thyroidectomy, neck dissection and adjuvant radioiodine therapy is still debatable. This was a retrospective study which included cases of TGCC treated in our institution over a period of 11 years. The aim of study was to assess the need for total thyroidectomy in management of TGCC. Patients were divided into two groups based on the surgical treatment they underwent and the treatment outcomes were compared. The histology was papillary carcinoma in all cases of TGCC. Overall, 43.3% of TGCCs had a focus of papillary carcinoma in total thyroidectomy specimen. Lymph node metastasis was noted only in 10% of TGCC and not identified in isolated papillary carcinoma confined to thyroglossal cyst. 7-year overall survival (OS) for TGCC was 83.1%. Prognostic factors like extracapsular extension or lymph node metastasis did not affect OS. Addition of total thyroidectomy and neck dissection to Sistrunk procedure did not offer any survival advantage. In a case of TGCC, FNAC should be done from any clinically suspicious thyroid nodules or lymph nodes. TGCC has a good prognosis following treatment and none of the cases in our series has disease recurrence during follow-up. Sistrunk procedure was an adequate procedure for treatment of TGCC with clinically and radiologically normal thyroid gland.