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目的探讨隐匿恶性淋巴瘤误诊为侵袭性胸腺瘤的误诊原因及预防措施。方法对误诊为侵袭性胸腺瘤的8例恶性淋巴瘤临床资料进行回顾性分析。结果恶性淋巴瘤临床表现复杂多样,临床上表现为前中纵膈肿瘤、无浅表淋巴结肿大,临床表现不典型的病例易被误诊为侵袭性胸腺瘤。结论通过对侵袭性胸腺瘤、恶性淋巴瘤在临床表现、CT、PET-CT特征的观察结合病理学检查,提出对这两种疾病鉴别诊断的认识,以免误诊。
Objective To investigate the misdiagnosis reasons and preventive measures of misdiagnosed as invasive thymoma in occult malignant lymphoma. Methods The clinical data of 8 cases of malignant lymphoma misdiagnosed as invasive thymoma were analyzed retrospectively. Results The clinical manifestations of malignant lymphoma were complex and diverse. The clinical manifestations of the former mediastinal tumors were superficial lymph nodes and the cases with atypical clinical manifestations were easily misdiagnosed as invasive thymoma. Conclusion Through the clinical manifestations, CT and PET-CT features of invasive thymoma and malignant lymphoma combined with pathological examination, the understanding of differential diagnosis of these two diseases is proposed to avoid misdiagnosis.