Sonographic Appearance of Primary Thyroid Lymphoma-Preliminary Experience |
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Authors: | Yu Xia Liang Wang Yuxin Jiang Qing Dai Xiaoyi Li Wenbo Li |
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Affiliation: | 1. Department of Ultrasound, Chinese Academy of Medical Sciences & Peking Union Medical College Hospital, Beijing, China.; 2. Department of General Surgery, Chinese Academy of Medical Sciences & Peking Union Medical College Hospital, Beijing, China.; Uppsala University, Sweden, |
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Abstract: | ObjectivePrimary thyroid lymphoma (PTL) is an uncommon thyroid malignancy. Despite the rarity of PTL, it is important to recognize PTL promptly because its management differs from that of all the other thyroid neoplasms. This study was designed to investigate the sonographic features of PTL.MethodsTwenty-seven pathologically confirmed PTLs were categorized into diffuse and non-diffuse type. Sonographic features including thyroid size, thyroid background echotexture, lesion size, echogenecity, calcification, vascularity, cervical lymphadenopathy of each type were retrospectively analyzed.ResultsAll 27 PTLs were diffuse large B-cell lymphomas and were accompanied by diffuse Hashimoto''s thyroiditis. Ten were diffuse type and seventeen were non-diffuse type sonographically. The observations in diffuse group included goiter (10/10, 100.0%), marked echogenesity (10/10, 100.0%), heterogeneous echotexture (10/10, 100.0%), and cervical lymphadenopathy (4/10, 40.0%). The observations in non-diffuse group included marked hypoechogenicity (17/17, 100.0%), heterogeneous background thyroid gland (17/17, 100.0%), goiter (15/17, 88.2%), increased vascularity (8/13, 61.5%), mulifocality (10/17, 58.8%), and cervical lymphadenopathy (7/17, 41.2%).ConclusionsAlthough some common features were found, the sonographic appearance of PTL is unspecific, especially for the diffuse type. Therefore, interventional diagnostic procedures should be warranted in the clinical settings when PTL is suspected. |
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