李如梅

目的：通过分析一例甲状腺弥漫大B细胞淋巴瘤的临床表现、超声影像学特征及病理诊断，增强对原发性甲状腺淋巴瘤的识别和诊治能力。方法：回顾性分析一例73岁男性患者，因颈部肿块迅速增大就诊，结合体格检查、实验室指标、超声检查及穿刺病理结果进行诊断，并复习相关文献。结果：患者颈部肿块快速生长，超声提示右叶显著增大、回声减低并伴丰富血流信号，穿刺活检证实为弥漫大B细胞淋巴瘤（GCB型），最终明确诊断并转入血液科进一步治疗。结论：原发性甲状腺淋巴瘤临床少见，常表现为甲状腺迅速肿大，需与未分化癌、桥本甲状腺炎及甲状腺乳头状癌等鉴别。超声检查结合细针或粗针穿刺活检有助于早期诊断。提高临床对该病的警觉性，有助于及时干预、改善预后。

甲状腺淋巴瘤；弥漫大B细胞淋巴瘤；穿刺活检；超声；个案报告

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