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首页> 外文期刊>Thoracic cancer. >Primary extranodal natural killer/T‐cell lymphoma of bronchus and lung: A case report and review of literature
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Primary extranodal natural killer/T‐cell lymphoma of bronchus and lung: A case report and review of literature

机译:支气管和肺原发性结外自然杀伤/ T细胞淋巴瘤:一例病例报告并文献复习

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AbstractPrimary pulmonary non-Hodgkin's lymphoma (NHL) is very rare. It represents less than 1% of all NHL, and 0.5–1% of all primary pulmonary malignancies. Almost all cases of primary pulmonary NHL originate from B-cell lineage. We present a case of a 53-year-old man with primary extranodal NK/T-cell lymphoma of the bronchus and lung, presented progressive dyspnea caused by right lower lung consolidation, and pleural effusion. Initial chest computed tomography suggested advanced lung cancer. Bronchofiberscopy showed a polypoid tumor on which a biopsy was performed. Histologically, the diffusely infiltrative atypical cells were positive for cytoplasmic CD3, CD56, granzyme B, and negative for cytokeratin, CD20 immunostains, suggesting NK/T cell lineages. In situ hybridization for Epstein-Barr virus encoded ribonucleic acid (EBER) was positive. Herein, we discuss the clinicopathological features of this case and review the literature on primary extranodal NK/T-cell lymphoma of the lung. Compared with other patients, who died after the first cycle of chemotherapy and/or within three months, our patient had longer survival under aggressive chemotherapy and auto-peripheral blood stem cell transplantation.
机译:摘要原发性肺非霍奇金淋巴瘤(NHL)非常罕见。它仅占所有NHL的不到1%,和所有原发性肺部恶性肿瘤的0.5–1%。几乎所有原发性肺NHL病例均来自B细胞谱系。本例为一例53岁男性支气管和肺原发性结外NK / T细胞淋巴瘤,表现为由右下肺巩固和胸腔积液引起的进行性呼吸困难。最初的胸部计算机断层扫描提示晚期肺癌。纤维支气管镜检查显示息肉样肿瘤。从组织学上看,弥漫性浸润性非典型细胞的胞质CD3,CD56,颗粒酶B呈阳性,而细胞角蛋白,CD20免疫染色呈阴性,提示NK / T细胞谱系。 Epstein-Barr病毒编码的核糖核酸(EBER)的原位杂交呈阳性。在此,我们讨论该病例的临床病理特征,并回顾有关原发性肺外结节NK / T细胞淋巴瘤的文献。与其他患者相比,在第一轮化疗后和/或三个月内死亡的患者,在积极化疗和自体外周血干细胞移植后,该患者的生存期更长。

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