immune system AE
langerhans' cell histiocytosis AE
朗格汉斯细胞组织细胞增生症
QY, JX, HY
10069698
This is an AE which is an abnormal clonal proliferation of Langerhans cells, abnormal cells deriving from bone marrow and capable of migrating from skin to lymph nodes.
http://en.volupedia.org/wiki/Langerhans_cell_histiocytosis