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Pathological Findings, Clinical Characteristics, and Outcomes of Thyroid Lymphomas: A Single Tertiary Care Hospital Experience

Year: 2025
Type: article
Study design: Observational Study
Abstract: BACKGROUND: Primary thyroid lymphoma (PTL) is a rare malignancy accounting for a small percentage of thyroid cancers and extra-nodal lymphomas. Treatment and prognosis depend on the histologic type and stage. Local studies and international reviews highlight the predominance of B-cell non-Hodgkin's lymphomas. This study aims to identify the subtypes, clinical characteristics, and outcomes of PTL in a tertiary care hospital. METHODOLOGY: This study presents a case series of 12 patients diagnosed with PTL between 2010 and 2024 at King Abdulaziz Medical City (KAMC) in Riyadh, Saudi Arabia. Descriptive statistics were used to summarize cohort characteristics. Continuous variables were presented as mean and standard deviation. Categorical variables were represented as frequencies and percentages. RESULTS: Among the 12 patients included with PTL, histopathological examination identified 66.7% with diffuse large B-cell lymphoma (DLBCL), followed by mucosa-associated lymphoid tissue (MALT) lymphoma in 16.7% of cases. Half of the cases had thyroiditis, and the majority presented with neck swelling and compressive symptoms. Most had lymph node involvement (66.67%). CONCLUSION: In summary, this study provides an exclusive insight into the pathological findings, clinical characteristics, and outcomes of PTL in a tertiary care hospital. PTL is a rare malignancy; however, it is a potential diagnosis when encountering an enlarged neck mass, especially with Hashimoto's thyroiditis. Overall, DLBCL was the most common type identified. The majority of the cases had cervical/mediastinal lymph node involvement and thyroiditis.
Source: Cureus
DOI: 10.7759/cureus.82610
Language: English
Field: Medicine
Open Access status: diamond
OpenAlex ID: W4409616504
FWCI:
Cites: 15
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Related to: 10