Prognostic marker

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  • 文章类型: Journal Article
    老年营养风险指数(GNRI)根据血清白蛋白浓度和理想体重指示营养状况。预处理GNRI已被认为是各种恶性肿瘤的预后因素。然而,关于GNRI对小细胞肺癌(SCLC)的临床价值知之甚少,尤其是老年患者。
    我们回顾性分析了53例老年(≥71例)广泛性疾病(ED)SCLC患者接受一线铂双联化疗与治疗前GNRI水平的关系。
    36例GNRI低(<92)患者的无进展生存期(PFS)和总生存期(OS)在统计学上比17例GNRI高(≥92)患者差(中位PFS=80天vs.133天,分别为;p=0.002;中位OS=123天与274天,分别为;p=0.004)。在多变量分析中,低GNRI也是PFS的独立不良预后因素[风险比(HR)=0.396;95%置信区间(CI)=0.199-0.789;p=0.008]和OS(HR=0.295;95CI=0.143-0.608;p<0.001).
    GNRI可能是接受铂类双联化疗的老年ED-SCLC患者的预测和预后标志物。
    UNASSIGNED: The Geriatric Nutritional Risk Index (GNRI) indicates nutritional status based on serum albumin concentration and ideal body weight. Pretreatment GNRI has been suggested as a prognostic factor for various malignancies. However, little is known about the clinical value of GNRI for small-cell lung cancer (SCLC), especially in elderly patients.
    UNASSIGNED: We retrospectively analyzed 53 elderly (≥71) patients with extensive-disease (ED) SCLC treated with first-line platinum-doublet chemotherapy in relation to the pretreatment GNRI level in a real-world setting.
    UNASSIGNED: Thirty-six patients with a low GNRI (<92) had statistically poorer progression-free survival (PFS) and overall survival (OS) than 17 patients with a high GNRI (≥92) (median PFS=80 days vs. 133 days, respectively; p=0.002; median OS=123 days vs. 274 days, respectively; p=0.004). In a multivariate analysis, a low GNRI was also an independent poor prognostic factor for PFS [hazard ratio (HR)=0.396; 95% confidence interval (CI)=0.199-0.789; p=0.008] and OS (HR=0.295; 95%CI=0.143-0.608; p<0.001).
    UNASSIGNED: The GNRI might be a predictive and prognostic marker in elderly patients with ED-SCLC treated with platinum-doublet chemotherapy.
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  • 文章类型: Journal Article
    炎症性肠病(IBD),包括克罗恩病和溃疡性结肠炎,表现出广泛的肠道和肠道外表现,这使得患者身体不活跃,生活质量受损。已经发现,身体活动是改善那些患者的生活质量的非药物干预。Irisin是运动过程中肌肉收缩分泌的肌细胞因子之一,可用作评估IBD患者身体活动的抗炎生物标志物。此外,实验研究表明,外源性irisin可显著降低实验性结肠炎患者的炎症指标和肠黏膜组织学变化。此外,irisin会改变微生物群的多样性。因此,内源性或外源性irisin,通过它的抗炎作用,将改善IBD患者的健康状况,并限制IBD患者的体育锻炼障碍。
    Inflammatory bowel disease (IBD), including Crohn\'s disease and ulcerative colitis, showed a wide spectrum of intestinal and extra-intestinal manifestations, which rendered the patients physically inactive and impaired their quality of life. It has been found that physical activity is a non-pharmacological intervention that improves the quality of life for those patients. Irisin is one member of the myokines secreted by muscle contraction during exercise and could be used as an anti-inflammatory biomarker in assessing the physical activity of IBD patients. In addition, experimental studies showed that exogenous irisin significantly decreased the inflammatory markers and the histological changes of the intestinal mucosa observed in experimental colitis. Furthermore, irisin produces changes in the diversity of the microbiota. Therefore, endogenous or exogenous irisin, via its anti-inflammatory effects, will improve the health of IBD patients and will limit the barriers to physical activity in patients with IBD.
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  • 文章类型: Journal Article
    背景:危重患者外周血中存在有核红细胞(NRBC)与不良预后相关。关于SARS-CoV-2诱发的急性呼吸窘迫综合征(ARDS)患者中NRBC的预测价值的证据仍然难以捉摸。这项研究的目的是评估NRBC在这些患者中的预测有效性。
    方法:评估SARS-CoV-2诱导的ARDS成年患者的每日NRBC值,并对其死亡率的预测效度进行统计学评估。根据ICU住院期间患者的最大NRBC值计算并根据Youden的方法进一步指定截止水平。根据这个截止值,我们进行了进一步分析,如logistic回归模型和生存率.
    结果:分析413例SARS-CoV-2致ARDS的危重患者。与存活的患者相比,未存活的患者在ICU住院期间的NRBC值明显更高(1090/μl[310;3883]vs.140/μl[20;500];p<0.0001)。重度ARDS患者(n=374)在ICU住院期间的NRBC值明显高于中度ARDS患者(n=38)(490/μl[120;1890]vs.30/μl[10;476];p<0.0001)。发现NRBC的截止水平≥500/μl可以最好地分层风险,并且与ICU住院时间更长有关(12[8;18]vs.18[13;27]天;p<0.0001)和更长的机械通气持续时间(10[6;16]vs.17[12;26]天;p<0.0001)。多变量校正的Logistic回归分析显示,NRBC≥500/µl是死亡率的独立危险因素(比值比(OR)4.72;95%置信区间(CI)2.95-7.62,p<0.0001)。NRBC值低于阈值500/μl的患者比高于阈值的患者具有显着的生存优势(中位生存32[95%CI8.7-43.3]与21天[95%CI18.2-23.8],对数秩检验,p<0.05)。在ICU入住期间达到NRBC阈值≥500/μl的患者的长期死亡率显着增加(中位生存期489天,对数秩检验,p=0.0029,风险比(HR)3.2,95%CI1.2-8.5)。
    结论:NRBCs预测SARS-CoV-2诱导的ARDS危重患者的死亡率,具有较高的预后能力。需要进一步的研究来确认NRBC的临床影响,以最终提高决策。
    BACKGROUND: The presence of nucleated red blood cells (NRBCs) in the peripheral blood of critically ill patients is associated with poor outcome. Evidence regarding the predictive value of NRBCs in patients with SARS-CoV-2-induced acute respiratory distress syndrome (ARDS) remains elusive. The aim of this study was to evaluate the predictive validity of NRBCs in these patients.
    METHODS: Daily NRBC values of adult patients with SARS-CoV-2-induced ARDS were assessed and their predictive validity for mortality was statistically evaluated. A cut-off level based on the patient\'s maximum NRBC value during ICU stay was calculated and further specified according to Youden\'s method. Based on this cut-off value, further analyses such as logistic regression models and survival were performed.
    RESULTS: 413 critically ill patients with SARS-CoV-2-induced ARDS were analyzed. Patients who did not survive had significantly higher NRBC values during their ICU stay compared to patients who survived (1090/µl [310; 3883] vs. 140/µl [20; 500]; p < 0.0001). Patients with severe ARDS (n = 374) had significantly higher NRBC values during ICU stay compared to patients with moderate ARDS (n = 38) (490/µl [120; 1890] vs. 30/µl [10; 476]; p < 0.0001). A cut-off level of NRBC ≥ 500/µl was found to best stratify risk and was associated with a longer duration of ICU stay (12 [8; 18] vs. 18 [13; 27] days; p < 0.0001) and longer duration of mechanical ventilation (10 [6; 16] vs. 17 [12; 26] days; p < 0.0001). Logistic regression analysis with multivariate adjustment showed NRBCs ≥ 500/µl to be an independent risk factor of mortality (odds ratio (OR) 4.72; 95% confidence interval (CI) 2.95-7.62, p < 0.0001). Patients with NRBC values below the threshold of 500/µl had a significant survival advantage over those above the threshold (median survival 32 [95% CI 8.7-43.3] vs. 21 days [95% CI 18.2-23.8], log-rank test, p < 0.05). Patients who once reached the NRBC threshold of ≥ 500/µl during their ICU stay had a significantly increased long-term mortality (median survival 489 days, log-rank test, p = 0.0029, hazard ratio (HR) 3.2, 95% CI 1.2-8.5).
    CONCLUSIONS: NRBCs predict mortality in critically ill patients with SARS-CoV-2-induced ARDS with high prognostic power. Further studies are required to confirm the clinical impact of NRBCs to eventually enhance decision making.
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  • 文章类型: Journal Article
    目的:全身炎症与癌症的发生和发展有关。炎症标志物已被确定为许多恶性肿瘤的预后指标。这项研究探讨了初次和术后中性粒细胞-淋巴细胞比率(NLR)和血小板-淋巴细胞比率(PLR)对软组织肉瘤(STS)患者的无复发生存率(RFS)和总生存率(OS)的预后相关性。
    方法:我们纳入了2004年至2018年期间在Kyungpook国立大学Chilgok医院接受广泛和根治性切除术的89例STS患者。使用多变量Cox比例模型计算RFS和OS的Kaplan-Meier曲线。
    结果:共有67例(75.3%)患者表现出较高的初始NLR(≥4.1),65例(75.3%)患者表现出较高的初始PLR(≥231)。在单变量和多变量分析中,初始PLR比率升高与RFS(p=0.017)和OS(p=0.003)降低显著相关.高PLR(PLR>231)患者的中位RFS为24个月,而PLR低(PLR≤231)者的中位RFS为96个月.高PLR和低PLR组的中位OS分别为50和298个月,分别。此外,高的术后PLR比率与RFS(p=0.001)和OS(p=0.038)降低相关.
    结论:术前和术后PLR比值可作为STS患者接受手术治疗的肿瘤预后的经济有效指标。
    OBJECTIVE: Systemic inflammation has been implicated in the development and progression of cancer. Inflammatory markers have been identified as prognostic indicators in numerous malignancies. This study explored the prognostic relevance of the initial and postoperative neutrophil-lymphocyte ratio (NLR) and platelet-lymphocyte ratio (PLR) on relapse-free survival (RFS) and overall survival (OS) in patients with soft-tissue sarcoma (STS) who underwent curative resection.
    METHODS: We included 89 patients with STS who underwent extensive and radical resection at the Kyungpook National University Chilgok Hospital between 2004 and 2018. Kaplan-Meier curves for RFS and OS were calculated using multivariate Cox proportional models.
    RESULTS: A total of 67 (75.3%) patients demonstrated a high initial NLR (≥4.1) and 65 (75.3%) showed a high initial PLR (≥231). In the univariate and multivariate analyses, an elevated initial PLR ratio was significantly associated with a decreased RFS (p=0.017) and OS (p=0.003). Patients with a high PLR (PLR >231) had a median RFS of 24 months, whereas those with a low PLR (PLR ≤231) had a median RFS of 96 months. The median OS was 50 and 298 months for the high PLR and low PLR groups, respectively. Furthermore, a high postoperative PLR ratio was associated with a decreased RFS (p=0.001) and OS (p=0.038).
    CONCLUSIONS: Preoperative and postoperative PLR ratio can be used as a cost-effective prognostic marker for oncologic outcomes in patients with STS who undergo surgery.
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  • 文章类型: Journal Article
    随着基因检测技术的发展,我们发现了许多不同的基因,lncRNA就是其中之一。LncRNAs是指长度超过200bp的非蛋白质编码RNA分子。是LUAD等人类恶性疾病研究的重点之一。LncRNAs作为癌基因或抑制剂调节肿瘤的发生和进展。LncRNAs的差异表达通过影响细胞增殖促进或抑制肺腺癌的进展,转移,入侵,和细胞凋亡,从而影响患者的预后和生存率。因此,LncRNAs可以作为癌症诊断和治疗的潜在靶点。通过检测肿瘤标志物对该病进行早期诊断。由于肺腺癌早期不易诊断,肿瘤标志物容易忽视,LncRNAs在肺腺癌的诊断和治疗中起着重要作用。本文的主要目的是总结LncRNAs对肺腺癌的已知作用,LncRNAs差异表达对肺腺癌进展的影响,以及相关的信号转导通路。并为今后肺腺癌相关LncRNAs的研究提供新的思路。
    With the development of gene testing technology, we have found many different genes, and lncRNA is one of them. LncRNAs refer to a non-protein coding RNA molecule with a length of more than 200bp, which is one of the focuses of research on human malignant diseases such as LUAD. LncRNAs act as an oncogene or inhibitor to regulate the occurrence and progression of tumors. The differential expression of LncRNAs promotes or inhibits the progression of lung adenocarcinoma by affecting cell proliferation, metastasis, invasion, and apoptosis, thus affecting the prognosis and survival rate of patients. Therefore, LncRNAs can be used as a potential target for diagnosis and treatment of cancer. The early diagnosis of the disease was made through the detection of tumor markers. Because lung adenocarcinoma is not easy to diagnose in the early stage and tumor markers are easy to ignore, LncRNAs play an important role in the diagnosis and treatment of lung adenocarcinoma. The main purpose of this article is to summarize the known effects of LncRNAs on lung adenocarcinoma, the effect of differential expression of LncRNAs on the progression of lung adenocarcinoma, and related signal transduction pathways. And to provide a new idea for the future research of lung adenocarcinoma-related LncRNAs.
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  • 文章类型: Journal Article
    有机磷中毒对人类健康构成重大威胁,需要准确的预后标志物来及时干预和改善预后。这篇综述评估了中性粒细胞与淋巴细胞比率(NLR)作为急性有机磷中毒(AOPP)预后指标的潜力。对现有文献的综合分析显示,NLR值升高与中毒严重程度增加和不良临床结局相关。包括死亡率和发病率。NLR评估提供了超越传统标志物的有价值的预后信息,辅助风险分层,指导临床决策。将NLR纳入临床实践有望通过早期识别高风险个体和量身定制的治疗干预措施来优化患者护理。需要进一步的研究来验证NLR在较大患者队列中的实用性,并将其标准化纳入临床指南。利用NLR作为预后工具可以增强风险分层,优化治疗策略,并最终改善AOPP的结果。
    Organophosphorus poisoning (OPP) poses a significant threat to human health, necessitating accurate prognostic markers for timely intervention and improved outcomes. This review evaluates the potential of the neutrophil-to-lymphocyte ratio (NLR) as a prognostic indicator in acute organophosphorus poisoning (AOPP). A comprehensive analysis of existing literature reveals that elevated NLR values correlate with increased severity of poisoning and adverse clinical outcomes, including mortality and morbidity. NLR assessment offers valuable prognostic information beyond traditional markers, aiding risk stratification and guiding clinical decision-making. Integration of NLR into clinical practice holds promise for optimizing patient care through the early identification of high-risk individuals and tailored therapeutic interventions. Further research is needed to validate the utility of NLR in larger patient cohorts and standardize its incorporation into clinical guidelines. Leveraging NLR as a prognostic tool can enhance risk stratification, optimize treatment strategies, and ultimately improve outcomes in AOPP.
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  • 文章类型: Journal Article
    背景:流感是季节性爆发期间疾病的主要原因。确定可能需要住院治疗的流感儿童可能会导致更好的流感结局。
    目的:确定与流感感染严重程度相关的因素,特别是在急诊室被诊断为流感后入院的儿童中。
    方法:在2015年1月至2019年12月期间就诊于斯利那加林德医院急诊科的流感快速检测阳性的儿科患者(年龄<18岁)中进行了一项回顾性队列研究。因变量是入院,而自变量包括临床参数,实验室结果,和紧急严重性指数(ESI)。分析了这些变量与入院之间的关联。
    结果:研究中纳入了542例流感病例。平均年龄为7.50±4.52岁。男性占52.4%。共190例(35.05%)患者,需要住院治疗。肺炎患者,那些需要住院治疗或被送进重症监护病房的人,始终显示单核细胞绝对计数升高和淋巴细胞与单核细胞比率(LMR)降低。各种因素导致住院风险增加,包括ESI1-2级,患者合并症,年龄<1岁,LMR低于2。
    结论:患者的ESI1-2级和合并症是导致住院人数增加的重要危险因素。低于2的LMR可用作流感感染儿童住院的预后标志物。
    BACKGROUND: Influenza is a main cause of illnesses during seasonal outbreaks. Identifying children with influenza who may need hospitalization may lead to better influenza outcomes.
    OBJECTIVE: To identify factors associated with the severity of influenza infection, specifically among children who were admitted to the hospital after being diagnosed with influenza at the emergency department.
    METHODS: A retrospective cohort study was conducted among pediatric patients (age < 18 years) with a positive influenza rapid test who visited the emergency department at Srinagarind hospital between January2015-December2019. The dependent variable was hospital admission, while the independent variables included clinical parameters, laboratory results, and emergency severity index(ESI). The association between these variables and hospital admission was analyzed.
    RESULTS: There were 542 cases of influenza included in the study. The mean age was 7.50 ± 4.52 years. Males accounted for 52.4% of the cases. A total of 190(35.05%) patients, needed hospitalization. Patients with pneumonia, those who required hospitalization or were admitted to the critical care unit, consistently exhibited an elevated absolute monocyte count and a reduced lymphocyte-to-monocyte ratio (LMR). Various factors contribute to an increased risk for hospitalization, including ESI level 1-2, co-morbidity in patients, age < 1 year old, and an LMR below 2.
    CONCLUSIONS: ESI level 1-2 and co-morbidity in patients represent significant risk factors that contribute to higher hospitalization admissions. A LMR below 2 can be used as a prognostic marker for hospitalization in children with influenza infection.
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  • 文章类型: Journal Article
    术后心房颤动(AF)是心脏手术术后发病率和死亡率的已知并发症。这项回顾性研究的目的是探讨心脏手术患者新发房颤的发生率与术前全身炎症标志物之间的关系。患者分为两组(A组:新发房颤,B组:无AF)根据术后房颤的发生情况,我们进行了回顾性分析,以寻找新发房颤的发生率与全身炎症标志物水平之间的关联.该研究招募了500名患者,持续时间为三年。在2020年至2023年之间接受心脏手术的500名患者中,有150名术前炎症标志物水平较高。全身免疫炎症指数(SII),中性粒细胞评分,血小板计数,检测C反应蛋白(CRP)水平。与无房颤患者(B组)相比,发生房颤的患者(A组)的CRP平均水平明显较高(6.2±1.8mg/L),血小板计数(320±50x109/L),中性粒细胞评分(4.6±0.9),和SII(650±120)(均p<0.05)。这些炎症标志物的较高阈值与房颤患病率的显著增加有关。比值比显示与标志物水平升高相关的风险显着升高。总之,手术后新发房颤的风险增加和术前炎症标志物升高之间存在显著相关性。如CRP水平,血小板计数,中性粒细胞评分,和SII。这些发现可用作预后标志物,以识别更有可能发生术后房颤的患者。需要进一步的前瞻性研究来分析其预测价值。我们研究的局限性包括相对较小的样本量,来自单一机构数据的潜在偏见,和研究设计的回顾性性质。
    Postoperative atrial fibrillation (AF) is a known complication of postoperative morbidity and mortality in cardiac surgery. The purpose of this retrospective study was to look into the association between the incidence of new-onset AF in patients undergoing cardiac surgery and preoperative systemic inflammatory markers. Patients were divided into two groups (Group A: new-onset AF, Group B: no AF) depending on the occurrence of AF in the postoperative period, and a retrospective analysis was performed to look for the association between the incidence of new-onset AF and levels of systemic inflammatory markers. Five hundred patients were enrolled in the study, and the duration was three years. One-hundred and fifty out of 500 patients who underwent cardiac surgeries between 2020 and 2023 had higher levels of preoperative inflammatory markers. The systemic immune inflammation index (SII), neutrophil scores, platelet counts, and C-reactive protein (CRP) levels were examined. Compared to patients without AF (Group B), those who developed AF (Group A) had significantly higher mean levels of CRP (6.2 ± 1.8 mg/L), platelet count (320 ± 50 x109/L), neutrophil scores (4.6 ± 0.9), and SII (650 ± 120) (p<0.05 for all). Higher thresholds of these inflammatory markers were related to a notable increase in the prevalence of AF, with odds ratios showing significantly higher risks associated with raised marker levels. In summary, there was a significant correlation found between an increased risk of new-onset AF after surgery and elevated preoperative inflammatory markers, such as CRP levels, platelet counts, neutrophil scores, and SII. These findings could be used as prognostic markers to identify patients who are more likely to experience postoperative AF. Further prospective studies will be required to analyze their predictive value. Limitations of our study include the relatively small sample size, potential bias from single-institutional data, and the retrospective nature of the study design.
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  • 文章类型: Journal Article
    代谢重编程被广泛认为是恶性肿瘤的标志,和新陈代谢的靶向已经成为一种有吸引力的癌症治疗方法。线粒体,作为关键的细胞器,在肿瘤细胞的代谢调节中起着至关重要的作用,它们的形态和功能改变与肿瘤的生物学特性密切相关。作为线粒体的关键调节亚基,线粒体内膜蛋白(IMMT),在退行性疾病中起着至关重要的作用,但它在肿瘤中的作用几乎是未知的。这项研究的目的是探讨IMMT在乳腺癌(BC)的发展和进展中的作用。以及阐明驱动这些效应的潜在生物学机制。在这项研究中,证实IMMT在BC组织中的表达显著高于正常组织。对癌症基因组图谱(TCGA)数据库的分析显示,IMMT可以作为BC患者的独立预后因素。此外,在BC临床标本中的验证表明,IMMT高表达与较大的肿瘤大小(>2cm)之间存在正相关,Ki-67表达(>15%),和她2的状态。此外,体外实验证实,抑制IMMT表达导致细胞增殖减少和线粒体cr改变,伴随着细胞色素c的释放,但它没有引起线粒体凋亡。通过基因集富集分析(GSEA)分析,我们已经预测了相关的代谢基因,并发现IMMT可能通过与16个代谢相关基因的相互作用来调节BC的进展,并且在抑制IMMT后的BC细胞系中已经验证了糖酵解相关途径的变化。因此,这项调查提供了令人信服的证据支持IMMT作为BC预后标志物的分类,并强调了其作为代谢治疗新靶点的前景。
    Metabolic reprogramming is widely recognized as a hallmark of malignant tumors, and the targeting of metabolism has emerged as an appealing approach for cancer treatment. Mitochondria, as pivotal organelles, play a crucial role in the metabolic regulation of tumor cells, and their morphological and functional alterations are intricately linked to the biological characteristics of tumors. As a key regulatory subunit of mitochondria, mitochondrial inner membrane protein (IMMT), plays a vital role in degenerative diseases, but its role in tumor is almost unknown. The objective of this research was to investigate the roles that IMMT play in the development and progression of breast cancer (BC), as well as to elucidate the underlying biological mechanisms that drive these effects. In this study, it was confirmed that the expression of IMMT in BC tissues was significantly higher than that in normal tissues. The analysis of The Cancer Genome Atlas (TCGA) database revealed that IMMT can serve as an independent prognostic factor for BC patients. Additionally, verification in clinical specimens of BC demonstrated a positive association between high IMMT expression and larger tumor size (> 2 cm), Ki-67 expression (> 15%), and HER-2 status. Furthermore, in vitro experiments have substantiated that the suppression of IMMT expression resulted in a reduction in cell proliferation and alterations in mitochondrial cristae, concomitant with the liberation of cytochrome c, but it did not elicit mitochondrial apoptosis. Through Gene Set Enrichment Analysis (GSEA) analysis, we have predicted the associated metabolic genes and discovered that IMMT potentially modulates the advancement of BC through its interaction with 16 metabolic-related genes, and the changes in glycolysis related pathways have been validated in BC cell lines after IMMT inhibition. Consequently, this investigation furnishes compelling evidence supporting the classification of IMMT as prognostic marker in BC, and underscoring its prospective utility as a novel target for metabolic therapy.
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  • 文章类型: Journal Article
    磁共振成像(MRI)是一种常规使用的成像方式,用于舌癌的治疗前放射学评估,提供有关疾病程度的准确信息。
    探讨MRI浸润深度和肿瘤厚度评估在舌鳞状细胞癌中的作用,并评估入侵深度之间是否存在任何相关性,肿瘤厚度,淋巴结转移,肌肉,涉及空间。
    33例口腔舌鳞状细胞癌患者接受了治疗前MRI和切除活检。在MRI和组织病理学图像上评估肿瘤厚度(TT)和浸润深度(DOI)。
    不同评估方法之间的关系表明,肿瘤组织厚度(r=0.99,p<0.05)和浸润深度(r=0.82,p<0.05)具有非常高的相关性。在组织病理学上,肿瘤的厚度和浸润深度随着分化的丧失而增加。随着入侵深度的增加,癌症扩散到舌头肌肉的程度,舌隔,空间也增加了。
    本研究描述了MRI和组织病理学发现之间的肿瘤厚度和浸润深度之间的高度相关性,并且是将DOI与疾病的侵袭性相关联的首例。
    UNASSIGNED: Magnetic resonance imaging (MRI) is a routinely used imaging modality for pre-treatment radiologic evaluation of tongue carcinoma, providing accurate information regarding the extent of the disease.
    UNASSIGNED: To investigate the role of MRI-derived depth of invasion and tumor thickness evaluation in squamous cell carcinoma of the tongue, and to assess if any correlation exists between depth of invasion, tumor thickness, nodal metastasis, muscles, and space involved.
    UNASSIGNED: Thirty-three patients with oral squamous cell carcinoma of the tongue who had undergone pre-treatment MRI and excisional biopsy were included. The tumor thickness (TT) and depth of invasion (DOI) were evaluated on MRI and histopathologic images.
    UNASSIGNED: The relation between different methodologies for assessing showed a very high correlation for the tumor tissue thickness (r = 0.99, p < 0.05) and depth of invasion (r = 0.82, p < 0.05). The tumor thickness and the depth of invasion increased with the loss of differentiation in the carcinoma histopathologically. As the depth of invasion increases, the extent of the spread of the carcinoma to tongue musculature, lingual septum, and spaces also increases.
    UNASSIGNED: The present study has depicted a high correlation between the tumor thickness and the depth of invasion between MRI and histopathological findings and is the first of its kind to correlate DOI to the invasiveness of the disease.
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