Expression of PD-L1 in Malignant Soft Tissue Neoplasm and Their Correlation with Clinicopathological Parameters

IF 0.9 Q3 MEDICINE, GENERAL & INTERNAL
Ashutosh Mishra, Anurag Singh, M. Kumar, M. Sagar, Malti Kumari, S. Qayoom, Vijay Kumar
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引用次数: 0

Abstract

Abstract Objectives  Programmed death ligand-1 (PD-L1) expression in malignant epithelial neoplasms has been the subject of numerous studies; however, less data on its application to sarcomas are available. This research focused on the expression of PD-L1 and how it correlated with clinicopathological characteristics in soft tissue sarcomas. Materials and Methods  The anti-PD-L1 antibody and Ki-67 were stained in 50 cases of sarcoma that had been confirmed by biopsy and immunohistochemistry. The tumor cell percentage with complete or incomplete membrane staining was calculated. Sarcomas were categorized as positive (>1% of tumor cells with complete or incomplete membrane staining) or negative (≤1% of tumor cells with complete or incomplete membrane staining). The data were analyzed using statistical package for Social Sciences version 21.0. Results  The soft tissue sarcomas showing marked pleomorphic morphology were significantly linked to positive PD-L1 expression than other subtypes of sarcomas ( p  = 0.042). Proliferation index grade III accounts for 62.5% of cases with positive PD-L1 expression, followed by proliferation index grade II with 25% cases and grade I with 12.5% cases. On comparing statistically, this difference was found to be significant ( p  = 0.013). A significant association was found between PD-L1 expression and the poor outcome of follow-up ( p  = 0.024). Conclusion  Our study showed a significant relationship between malignant soft tissue tumor positivity for PD-L1 and pleomorphic morphology, a higher proliferation index grade, and a poorer prognosis.
PD-L1在软组织恶性肿瘤中的表达及其与临床病理参数的关系
目的程序性死亡配体-1 (PD-L1)在恶性上皮肿瘤中的表达一直是众多研究的主题;然而,关于其在肉瘤中的应用的数据较少。本研究的重点是PD-L1在软组织肉瘤中的表达及其与临床病理特征的关系。材料与方法对50例经活检和免疫组化证实的肉瘤进行pd - l1抗体和Ki-67染色。计算完全或不完全膜染色的肿瘤细胞百分比。肉瘤分为阳性(≤1%的肿瘤细胞完全或不完全膜染色)和阴性(≤1%的肿瘤细胞完全或不完全膜染色)。使用Social Sciences version 21.0的统计软件包对数据进行分析。结果与其他肉瘤亚型相比,具有明显多形性形态的软组织肉瘤PD-L1阳性表达显著相关(p = 0.042)。PD-L1阳性表达的病例中,增殖指数III级占62.5%,其次是增殖指数II级占25%,I级占12.5%。经统计学比较,差异有统计学意义(p = 0.013)。PD-L1表达与随访不良预后之间存在显著相关性(p = 0.024)。结论软组织恶性肿瘤PD-L1阳性与多形性形态、高增殖指数分级、预后差有显著关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Laboratory Physicians
Journal of Laboratory Physicians MEDICINE, GENERAL & INTERNAL-
自引率
0.00%
发文量
99
审稿时长
31 weeks
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