ETA2023 Poster Presentations Thyroid Cancer clinical 3 (9 abstracts)
Clinicopathological features of intrathyroidal thymic carcinoma: A single center experiences
Ho Joong Chung 1 , Jin Seok Lee 1 , Jun Sung Lee 1 , Hyeok Jun Yun 1 , Hojin Chang 1 , Seok Mo Kim 1 , Hang-Seok Chang 1 & Yong Sang Lee 2
1Gangnam Severance Hospital, Yonsei University College of Medicine; 2Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Rep. of South
Intrathyroidal thymic carcinoma (ITTC) is a rare thyroid malignancy. Its histology resembles that of squamous cell carcinoma (SCC) of the thyroid. However, ITTC shows a much more favorable prognosis than SCC. We analyzed the backgrounds and clinicopathological features of 10 patients who treated with ITTC in our medical center. Five patients was male, and another five was female. The average tumor size was 4mm, and it ranged from maximum 68mm to minimum 13mm. In pre-operative ultrasonography, 100% patients’ findings were malignant (8 cases). In five patients, there was a clinical node metastasis, and six patients had a pathological node metastasis. Total thyroidectomy was done for six patients, and 4 patients had less than total thyroidectomy. In four patients, additional lateral neck dissection was done. There was an extrathyroidcal extension in 8 patients. It is important todifferentiate it from other more aggressive thyroid malignancy. Although it is difficult to diagnose CASTLE preoperatively, radical surgery should be regarded as the first choice of treatment for CASTLE. Radiotherapy and chemotherapy should be considered to the stage of the disease as effective treatment modalities.
Volume 92
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Endocrine Abstracts
ISSN 1470-3947 (print) | ISSN 1479-6848 (online)
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