胸腺瘤是最常见的前纵隔肿瘤之一，其发生率较畸胎瘤为高，患者年龄为以中年以上者为多见。胸腺瘤与重症肌力具有非常密切的关系。胸腺瘤多位于前上中纵隔近心脏与大血管交界处。病理组织学将胸腺瘤分为上皮细胞型、淋巴细胞型和混合细胞型。临床影像学根据形态学表现和生... Thymoma is one of the most common anterior mediastinal tumors. The incidence of thymoma is higher than that of teratoma. Patients with a middle age or older are more common. Thymoma has a very close relationship with myasthenia. Thymomas are located at the junction of the anterior and mediastinal near the heart and the great vessels. Histopathologically, thymoma is divided into epithelial cell type, lymphocyte type, and mixed cell type. Clinical imaging is based on morphological performance and...