印度代购科普:确诊淋巴癌的检查有哪些呢?
1.血常规及血涂片
血常规普通正常,可兼并慢性病贫血;HL能够呈现PLT增加、WBC增加、嗜酸性粒细胞增加;侵袭性NHL进犯骨髓可呈现贫血、WBC及PLT减少,外周血可呈现淋巴瘤细胞。 Blood routine is common and normal, can annex chronic disease anemia; HL showed increased PLT, WBC and eosinophils. Anemia, WBC and PLT decrease in bone marrow of invasive NHL patients, and lymphoma cells appear in peripheral blood.
2.骨髓涂片及活检
HL稀有骨髓受累。NHL进犯骨髓,骨髓涂片可见淋巴瘤细胞,细胞体积较大,染色质丰厚,灰蓝色,形态明显异常,可见“拖尾现象”;淋巴瘤细胞≥20%为淋巴瘤白血病;骨髓活检可见淋巴瘤细胞汇集浸润。局部患者骨髓涂片可见噬血细胞增加及噬血现象,多见于T细胞NHL。
3.血生化
LDH增高与肿瘤负荷有关,为预后不良的指标。HL可有ESR增快,ALP增高。
4.脑脊液检查
中高度侵袭性NHL临床Ⅲ/Ⅳ期患者可能呈现中枢神经系统受累,或有中枢神经系统病症者,需行脑脊液检查,表现为脑脊液压力增高,生化蛋白量增加,常规细胞数量增加,单核为主,病理检查或流式细胞术检查可发现淋巴瘤细胞。
5.组织病理检查
HL的根本病理形态学改动是在以多种炎症细胞的混合增生背景中见到诊断性的R-S细胞及其变异型细胞。免疫组化特征:经典型CD15+,CD30+,CD25+;结节淋巴细胞为主型CD19+,CD20+,EMA+,CD15-,CD30-。NHL淋巴结或组织病理见正常淋巴结或组织构造毁坏,肿瘤细胞散在或洋溢浸润,依据不同的病理类型有各自共同的病理表现和免疫表型。 The fundamental histopathological alteration of HL is the presence of diagnostic R-S cells and their variants in a background of mixed proliferation of multiple inflammatory cells. Immunohistochemical characteristics: typical CD15+, CD30+, CD25+; Nodular lymphocyte dominant type CD19+, CD20+, EMA+, CD15-, CD30-. NHL lymph node or histopathology showed that normal lymph node or tissue structure was destroyed, and tumor cells were scattered or permeated with invasion. There were common pathological manifestations and immunophenotypes according to different pathological types.
6.TCR或IgH基因重排
可阳性。 |
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