红髓淤血，白髓缩小并有红细胞存在，两者分界不清；
The red pulp is enlarged and filled with blood, while white pulp decrease and there are red blood cells in it.
组织的两种类型红髓、白髓交织混合。白髓是包含淋巴球产生中心的淋巴组织；
Two types of tissue, red pulp and white pulp, are intermixed. The white pulp is lymphoid tissue containing lymphocyte production centres.
脾脏病理切片示白髓面积扩大（P<0.01）；脾小梁面积有所缩小（P<0.05）；
The pathological sections of spleen showed that the areas of white pulp were increased(P<0.01), and the areas of spleen trabecula were decreased(P<0.05).
结果39例儿童ITP中，有11例（28.2%）在白髓组织内出现明显的次级淋巴滤泡增生现象，而对照组为16例（57.1%）；
Results The prominent secondary follicles presented in 11 28.2% of 39 ITP cases, but only 16 57.1% in control cases.
结果39例儿童ITP中，有11例（28.2%）在白髓组织内出现明显的次级淋巴滤泡增生现象，而对照组为16例（57.1%）；
Results The prominent secondary follicles presented in 11 28.2% of 39 ITP cases, but only 16 57.1% in control cases.
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