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Erschienen in:
05.11.2023 | Endocrine Tumors
Surgery is a Viable Treatment Option for Stage IE Primary Thyroid Lymphoma
Erschienen in: Annals of Surgical Oncology | Ausgabe 2/2024
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Background
Stage IE primary thyroid lymphoma (PTL) has been diagnosed in approximately half of patients with PTL; however, the optimal treatment for stage IE PTL has not yet been established.
Methods
Stage IE PTL patients were identified from the Surveillance, Epidemiology, and End Results (SEER) database between 1998 and 2019. Thereafter, the disease-specific survival (DSS) and treatment modalities (surgery alone, surgery + radiotherapy (RT) and/or chemotherapy (CT), and RT and/or CT) of these patients were compared by Kaplan–Meier curves and log-rank test after propensity score matching (PSM). Additionally, patients with PTL from the Affiliated Sixth People’s Hospital of the Shanghai Jiao Tong University and School of Medicine (Shanghai, China) between 2007 and 2022 were retrospectively analyzed as an external cohort.
Results
Among the 1596 patients with PTL from the SEER database, 842 were identified as patients with stage IE PTL, with an average follow-up period of 7.8 years. Pairwise analysis after PSM revealed no significant difference between the DSS of the three treatment groups. A total of 38 patients with PTL were identified in the external cohort, with an average follow-up period of 3.4 years. Compared with the RT and/or CT group, the surgery-alone group showed no significant difference in the incidence of hypothyroidism (p = 0.161) but had significantly fewer treatment-related complications (p = 0.021), shorter treatment duration (p < 0.001), and lower treatment costs (p = 0.025).
Conclusions
The results of our study demonstrate that surgery is a viable treatment option for patients with stage IE PTL.