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45th Annual Meeting of the European Thyroid Association (ETA) 2023

Poster Presentations

Thyroid Cancer clinical 3

ea0092ps3-27-01 | Thyroid Cancer clinical 3 | ETA2023

Clinicopathological features of intrathyroidal thymic carcinoma: A single center experiences

Joong Chung Ho , Seok Lee Jin , Sung Lee Jun , Jun Yun Hyeok , Chang Hojin , Mo Kim Seok , Chang Hang-Seok , Sang Lee Yong

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 ...

ea0092ps3-27-02 | Thyroid Cancer clinical 3 | ETA2023

Central (N1A) and latero-cervical (N1B) lymph nodes metastases in sporadic medullary thyroid carcinoma patients: clinical impact on disease specific and recurrence free survival

Matrone Antonio , Prete Alessandro , Gambale Carla , Cappagli Virginia , Bottici Valeria , Materazzi Gabriele , Torregrossa Liborio , Elisei Rossella

Background: Distant metastases at diagnosis is the worst prognostic factor for disease specific survival (DSS) in sporadic medullary thyroid carcinoma (MTC). Also, lymph node metastases are negative prognostic factors both for DSS and recurrence free survival (RFS). The question whether central (N1a) and latero-cervical compartment lymph nodes metastasis (N1b), separately evaluated, can have a different impact on DSS and RFS remains to be clarified.Patie...

ea0092ps3-27-03 | Thyroid Cancer clinical 3 | ETA2023

A large series of patients with anaplastic thyroid cancer managed in a tertiary referral center

Minaldi Elisa , Sabini Elena , Prete Alessandro , Agate Laura , Bottici Valeria , Brogioni Sandra , Torregrossa Liborio , Ugolini Clara , Materazzi Gabriele , Ribechini Alessandro , Bruschini Luca , Molinaro Eleonora , Matrone Antonio , Elisei Rossella

Objectives: Anaplastic thyroid cancer (ATC) is one of the deadliest cancers, with a median overall survival (OS) of 4 months and a disease-specific mortality of ˜100%. Although to date no effective treatment can cure the disease, some anecdotal cases achieved longer survival and very rarely the cure of the disease. Multimodal treatment with surgery, radiotherapy, multikinase inhibitors (MKI) could improve survival in ATC, particularly when surgery is not feasible.<p c...

ea0092ps3-27-04 | Thyroid Cancer clinical 3 | ETA2023

Comparison of patient-reported outcomes between active surveillance and immediate surgery for low-risk papillary thyroid carcinoma: A longitudinal study with one-year follow-up

Kazusaka Hiroko , Sugitani Iwao , Matsui Mami , Sen Masaomi , Saito Marie , Nagaoka Ryuta , Toda Kazuhisa , Yoshida Yusaku

Objectives: Active surveillance (AS) for low-risk papillary thyroid carcinoma (PTC) has been adopted as a reasonable approach to management worldwide. In our previous cross-sectional study, patients who chose AS had better mental patient-reported outcomes (PRO) compared to those who underwent immediate surgery. This prospective, longitudinal study aimed to compare PROs between patients who chose AS and those who underwent surgery, during a one-year follow-up from the time of d...

ea0092ps3-27-05 | Thyroid Cancer clinical 3 | ETA2023

Changes in clinical presentation of paediatric differentiated thyroid cancer (DTC) treated in one centre over 40 years

Kropinska Aleksandra , Ledwon Aleksandra , Paliczka Cieslik Ewa , Olczyk Tomasz , Blewąska Aleksandra , Krzempek Marcela , Wilk Agata , Cortez Alexander , Czarniecka Agnieszka , Jarzab Barbara , Handkiewicz Junak Daria

Background: Differentiated thyroid carcinoma (DTC) in children is a rare cancer, occurring in 1/100,000 children/year. In the adults a steady increase in the incidence and change in presentation of DTC has been observed over the past 30 years.Purpose: Evaluation of changes in the clinical presentation of paediatric DTC on the example of children treated in Institute of Oncology in Gliwice between 1970 and 2015.Material and methods:...

ea0092ps3-27-06 | Thyroid Cancer clinical 3 | ETA2023

Skeletal related events in differentiated thyroid carcinoma with bone metastasis: A bicentric study

Jannin Arnaud , Lamartina Livia , Djennaoui Mehdi , Chevalier Benjamin , Hadoux Julien , Moutarde Coralie , Lion Georges , Vantyghem Marie-Christine , Deschamps Frederic , Baudin Eric , Schlumberger Martin , Leboulleux Sophie , Do Cao Christine

Purpose: Bone metastases (BM) are frequent in differentiated thyroid cancer (DTC). These patients may present skeletal-related events (SRE), the leading cause of DTC-related morbidity. We aimed to evaluate the clinical features, treatment approaches, and outcomes including overall survival (OS) of DTC patients with BM complicated by SRE and their evolution over time.Methods: 178 consecutive DTC patients harbouring BM were enrolled in this retrospective s...

ea0092ps3-27-07 | Thyroid Cancer clinical 3 | ETA2023

Clinical significance of de novo appearance of anti-thyroglobulin antibodies in patients of differentiated thyroid cancer with radioiodine therapy

Shim Hyekyung , Ra Kim Mi

Objectives: This study analyzed the prevalence of newly discovered anti-thyroglobulin antibody (TgAb) and its clinical significance during the follow-up period of patients with differentiated thyroid cancer.Methods: Among patients who underwent total thyroidectomy and radioactive iodine treatment between 2008 and 2022 in a single center, 184 patients (23 male, 161 female) with Tg<1ng/ml and TgAb positive (> 60 IU/mL) at least once were targeted. ...

ea0092ps3-27-08 | Thyroid Cancer clinical 3 | ETA2023

Lymph nodes metastases from papillary thyroid microcarcinoma negatively impact on outcome

Contarino Andrea , Dolci Alessia , Arosio Maura

Background: Papillary thyroid microcarcinoma (microPTC), defined as PTC measuring 10 mm or less in greatest diameter, is the most common type of thyroid cancer. MicroPTC generally has an indolent clinical course, with slow and exclusivelly intrathyroidal growth, without any significant impact on patient morbidity and mortality of patients. Sometimes, even microPTC can show lymph nodes (LNs) involvement, ranging from incidental histological findings to preoperative evidence of ...

ea0092ps3-27-09 | Thyroid Cancer clinical 3 | ETA2023

Finding the right balance in optimizing post-operative suppression therapy after papillary thyroid carcinoma - a case report

Muradyan Irina , Tumasyan Dalar , Navasardyan Lusine

Introduction: Papillary thyroid carcinoma (PTC) is a common thyroid gland malignancy. Postoperative suppression therapy with levothyroxine (LT4) is commonly used to prevent recurrence or progression of the disease. The optimal duration and dose of LT4 suppression therapy remain a matter of debate. The optimal duration and dose of LT4 suppression therapy remain a matter of debate, with recommendations varying based on the patient’s age, sex, tumor characteristics, and risk...