ECE2022 Eposter Presentations Thyroid (219 abstracts)
Thyroid oncocytic tumor: about 23 cases
Rachida Bouattay , Maroua Naouar , Emna Bergaoui , Heyfa Belhadjmiled , Mehdi Ferjaoui , Amel Elkorbi , Kaled Harrathi , Naourez Kolsi & Jamel Koubaa
Fattouma Bourguiba Hospital, ENT and Head and Neck Surgery Department, Monastir, Tunisia
Introduction: Oncocytic tumors (OT) are rare, representing 3 to 10% of epithelial tumors of the thyroid. It is important to individualize these tumors given the relatively high frequency of carcinomas and the aggressiveness of oncocytic carcinoma. The aim of this study is to determinate the clinical, histological and therapeutic aspects of thyroid oncocytic tumor.
Materials and Methods: This is a retrospective study about 23 cases of oncocytic thyroid tumors collected in ENT department of Fattouma Bourguiba Hospital of Monastir during a 20-year period (2000-2020).
Results: The average age was 41 years, a female predominance was noted (19F/4M). Our study included: 20 oncocyte adenomas and 3 oncocytic carcinomas. The average consultation time was 18 months. Eighteen patients have single thyroid nodule and five patients have a multinodular goiter. The mean ultrasound size of the thyroid nodule was 4 cm. There was no cervical lymphadenopathy in all cases. Fine needle aspiration cytology from the thyroid nodule was performed in two cases showing papillary carcinoma in one case. 19 patients underwent a lobo-isthmectomy. A total thyroidectomy with node dissection were performed in 4 cases. Radioactive iodine therapy was indicated for the 3 patients with oncocytic carcinoma. There was no distant metastasis or cancer recurrence after a mean follow-up of 24 months.
Conclusion: Among well differentiated thyroid tumors, oncocytic tumors feature a distinctive set of clinical, morphologic and biologic characteristics, some of which have been a matter of controversy.
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Endocrine Abstracts
ISSN 1470-3947 (print) | ISSN 1479-6848 (online)
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