MATERIAL and METHODS: Samples of biopsy and operation were performed by routine histopathologic section, immunohistochemical staining and electron microscope check.
材料与方法：综合分析活检及手术标本常规切片、免疫组化及电镜检查、临床表现。
MATERIAL and METHODS: Samples of biopsy and operation were performed by routine histopathologic section, immunohistochemical staining and electron microscope check.
材料与方法：综合分析活检及手术标本常规切片、免疫组化及电镜检查、临床表现。
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