Clinical characteristics and prognosis of 18 patients with plasmablastic lymphoma
珊珊 翁, 晴 施, 维莅 赵, 坚青 糜, 黎 王

TL;DR
This study examines the clinical features and outcomes of 18 patients with plasmablastic lymphoma, a rare and aggressive cancer with no standard treatment.
Contribution
The study provides new clinical data on PBL prognosis and treatment outcomes in a single-center cohort.
Findings
Most patients had advanced-stage disease at diagnosis with high LDH levels and poor B-cell marker expression.
Common genetic mutations included TP53, KMT2D, and TET2.
A majority achieved complete or partial remission after first-line treatment with acceptable 2-year survival rates.
Abstract
浆母细胞淋巴瘤(plasmablastic lymphoma,PBL)是一类罕见的高侵袭性非霍奇金淋巴瘤,临床缺乏标准治疗方案推荐。本文回顾性分析上海瑞金医院2012年7月至2024年6月确诊的18例PBL患者临床资料,男12例、女6例,患者中位年龄为59(39~77)岁。Ann Arbor分期为Ⅲ~Ⅳ期12例(66.7%)、伴血细胞减少9例(50.0%)、LDH升高12例(66.7%)、Ki-67指数≥90% 4例(22.2%)。患者肿瘤细胞高表达CD38(15/17,88.2%)/CD138(12/17,70.6%),B细胞标志物CD20少见(1/17,5.9%)。11例基因测序显示常见突变包括TP53(27.3%)、KMT2D(18.2%)和TET2(18.2%)等。排除1例HIV阳性患者未治疗死亡,17例患者经过一线治疗,完全缓解10例(58.8%)、部分缓解5例(29.4%)。中位随访时间为4.33(0.17~12.17)年,患者总体2年无进展生存率和总生存率分别为(68.5±11.2)%和(75.5±10.1)%。
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