淋巴结内出现的良性组织成分大都是“迷走”的腺体组织,如异位子宫内膜、甲状腺、腮腺和胰腺等。非腺体成分则很少,如痣细胞、蜕膜细胞,而间皮细胞出现在淋巴结内更是十分少见,文献上仅有11例报道,其中8例发生于纵隔淋巴结,3例发生于腹腔淋巴结。据报道,在这项研究中间皮细胞出 Most of the benign tissue components found in the lymph nodes are “vagal” glandular tissues, such as ectopic endometrium, thyroid gland, parotid gland and pancreas. Non-glandular components are few, such as nevus cells, decidual cells, and mesothelial cells in the lymph nodes is very rare, only 11 cases reported in the literature, of which 8 cases occurred in the mediastinal lymph nodes, 3 cases occurred in the abdominal cavity Lymph nodes. It is reported that in this study the mesothelial cells exit