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Letter to the Editor: Comment on “Advanced oral squamous cell carcinoma arising in verrucous carcinoma with nodal and pulmonary metastasis: Exemplifying patient negligence and impact of alternative medicine” 致编辑的信:评论“晚期口腔鳞状细胞癌起源于疣状癌并结和肺转移:例证患者的疏忽和替代医学的影响”
Pub Date : 2024-12-01 DOI: 10.1016/j.oor.2024.100693
Siva Annamalai, Vinodini Ramamoorthy, Mangaleshwari Baskaran
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引用次数: 0
Preliminary analysis of incidence, risk factors, and management of medication-related osteonecrosis of the jaw in cancer patients 癌症患者药物相关性颌骨骨坏死的发生率、危险因素及处理的初步分析
Pub Date : 2024-12-01 DOI: 10.1016/j.oor.2024.100686
P.J. Nagarathna , Santosh R. Patil

Background

Medication-related osteonecrosis of the jaw (MRONJ) is a severe complication associated with antiresorptive and antiangiogenic therapies commonly used to manage bone metastasis and improve bone density in cancer patients. This study aimed to investigate MRONJ's incidence, risk factors, and outcomes of MRONJ in patients receiving these therapies.

Methods

A retrospective cohort study was conducted involving 98 patients who had received antiresorptive or antiangiogenic medications for at least one year. Data were collected from the electronic health records, focusing on demographics, medication details, comorbidities, dental history, and MRONJ status. Logistic regression analysis was used to identify predictors of MRONJ, and Kaplan-Meier survival analysis was used to assess treatment outcomes, comparing surgical and conservative management approaches.

Results

The incidence of MRONJ was 21.4 % among the study cohort. Logistic regression identified prolonged medication duration (odds ratio [OR] = 2.5; p = 0.01), comorbidities (OR = 3.2; p = 0.003), and prior dental procedures (OR = 2.1; p = 0.02) as significant predictors of MRONJ. Kaplan-Meier analysis showed that surgical intervention resulted in longer survival (median 24.5 Â months) than conservative management (median 12.8 months; p < 0.01). Despite the high rates of healing (71.4 %) and pain management success (85.7 %), a recurrence rate of 23.8 % indicated MRONJ's chronic nature of MRONJ.

Conclusion

This study underscores the importance of early identification and interdisciplinary management of MRONJ risk factors, particularly in patients with prolonged antiresorptive or antiangiogenic therapy. Surgical intervention appears beneficial; however, high recurrence rates emphasize the need for vigilant monitoring and patient-specific treatment strategies.
背景:药物相关性颌骨坏死(MRONJ)是一种与抗吸收和抗血管生成治疗相关的严重并发症,通常用于治疗癌症患者的骨转移和改善骨密度。本研究旨在探讨MRONJ在接受这些治疗的患者中的发病率、危险因素和结局。方法对98例接受抗吸收或抗血管生成药物治疗至少1年的患者进行回顾性队列研究。从电子健康记录中收集数据,重点关注人口统计、用药细节、合并症、牙科病史和MRONJ状态。采用Logistic回归分析确定MRONJ的预测因素,采用Kaplan-Meier生存分析评估治疗结果,比较手术和保守治疗方法。结果MRONJ在研究队列中的发病率为21.4%。Logistic回归发现用药时间延长(优势比[OR] = 2.5;p = 0.01),合并症(OR = 3.2;p = 0.003),先前的牙科手术(OR = 2.1;p = 0.02)作为MRONJ的显著预测因子。Kaplan-Meier分析显示,手术干预的生存期(中位24.5 Â个月)比保守治疗的生存期(中位12.8个月;p & lt;0.01)。尽管高治愈率(71.4%)和疼痛管理成功率(85.7%),复发率(23.8%)表明MRONJ的慢性性质。结论:本研究强调了早期识别和跨学科管理MRONJ危险因素的重要性,特别是在长期抗吸收或抗血管生成治疗的患者中。手术干预似乎是有益的;然而,高复发率强调了警惕监测和患者特异性治疗策略的必要性。
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引用次数: 0
Customized immunotherapy in OSCC: Leveraging neoantigens for precision medicine OSCC的定制免疫治疗:利用新抗原进行精准医疗
Pub Date : 2024-12-01 DOI: 10.1016/j.oor.2024.100687
Dr. Nitya Krishnasamy, Dr. Vikram S. Amberkar, Dr. Kochli Channapa Niranjan
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引用次数: 0
Erratum regarding previously published article 关于以前发表的文章的勘误
Pub Date : 2024-12-01 DOI: 10.1016/j.oor.2023.100138
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引用次数: 0
Erratum regarding previously published article 关于以前发表的文章的勘误
Pub Date : 2024-12-01 DOI: 10.1016/j.oor.2023.100137
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引用次数: 0
Optimizing PD-L1/PD-1 therapies: Immune checkpoint inhibitors in nasopharyngeal carcinoma 优化PD-L1/PD-1疗法:鼻咽癌免疫检查点抑制剂
Pub Date : 2024-12-01 DOI: 10.1016/j.oor.2024.100675
Madhan Krishnan, Gayathri Sekar
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引用次数: 0
Computational biology approach to predict molecular mechanism in cancer 计算生物学方法预测癌症分子机制
Pub Date : 2024-12-01 DOI: 10.1016/j.oor.2024.100651
Ansari Vikhar Danish Ahmad, Subur W. Khan, Qazi Yasar, Mohd Sayeed Shaikh, Mohd Mukhtar Khan
The field of biology offers a complete structure for studying intricate molecular interactions and the strength of bonding between molecules but with an emphasis on developing treatments and discovering markers in medicine research that hold promise for targeting specific diseases like cancer subtypes effectively by pinpointing crucial signals and pathways crucial for tumor development growth, alongside network analysis as a potent tool to foresee how small molecules interact with proteins linked to cancer and determine promising new treatments. This methodical strategy enables the evaluation of potential medications by assessing their capacity to bind effectively to cancer causing targets for enhanced treatment accuracy." Additionally integrating machine learning methods with multi dataset analyses greatly enhances the thorough examination of cancer associated molecular connections ultimately streamlining drug development and biomarker discovery. This underscores the importance of molecular docking in forecasting interactions, between drugs and their targets within the realm of cancer bioinformatics.
生物学领域为研究复杂的分子相互作用和分子之间的结合强度提供了一个完整的结构,但重点是开发治疗方法和发现医学研究中的标记物,这些标记物有望通过精确定位对肿瘤发展生长至关重要的关键信号和途径,有效地靶向特定疾病,如癌症亚型。此外,网络分析作为一种强有力的工具,可以预测小分子如何与与癌症相关的蛋白质相互作用,并确定有希望的新疗法。这种有条理的策略可以通过评估药物与致癌靶点的有效结合能力来评估潜在药物,从而提高治疗的准确性。”此外,将机器学习方法与多数据集分析相结合,大大增强了对癌症相关分子连接的彻底检查,最终简化了药物开发和生物标志物的发现。这强调了分子对接在预测相互作用中的重要性,在癌症生物信息学领域内,药物和它们的靶点之间。
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引用次数: 0
Erratum regarding previously published article 关于以前发表的文章的勘误
Pub Date : 2024-12-01 DOI: 10.1016/j.oor.2023.100136
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引用次数: 0
HPV status and staging in oropharyngeal carcinoma: A review of recent AJCC/UICC revisions 口咽癌的HPV状态和分期:近期AJCC/UICC修订的回顾
Pub Date : 2024-11-29 DOI: 10.1016/j.oor.2024.100694
Madhan Krishnan , Sharan Basappa , Shyamaladevi Babu , Sandhya P
The incidence of oropharyngeal carcinoma (OPC) has been rising, particularly among HPV-positive patients, prompting a reevaluation of clinical staging practices. Recent revisions to the AJCC/UICC staging systems have recognized the distinct biological behavior associated with HPV-positive tumors, highlighting the necessity for tailored staging criteria that better reflect their unique prognostic characteristics. This review discusses the implications of HPV status on the clinical staging of oropharyngeal carcinoma, focusing on how these revisions influence prognosis and treatment strategies. The differential outcomes observed between HPV-positive and HPV-negative patients necessitate a more nuanced approach to management, advocating for personalized treatment plans that consider the specific tumor biology. Additionally, we explore the ongoing research efforts aimed at further refining staging criteria, including the identification of relevant biomarkers and the integration of advanced imaging techniques. As our understanding of HPV's role in cancer biology continues to evolve, it is imperative that our approaches to staging and management adapt accordingly. Ultimately, these revisions and the accompanying research will contribute to improved patient outcomes and more effective therapeutic interventions in the increasingly prevalent landscape of oropharyngeal carcinoma.
口咽癌(OPC)的发病率一直在上升,特别是在hpv阳性患者中,促使临床分期实践的重新评估。最近对AJCC/UICC分期系统的修订已经认识到与hpv阳性肿瘤相关的独特生物学行为,强调了定制分期标准的必要性,以更好地反映其独特的预后特征。这篇综述讨论了HPV状态对口咽癌临床分期的影响,重点是这些修订如何影响预后和治疗策略。在hpv阳性和hpv阴性患者之间观察到的差异结果需要更细致的管理方法,提倡考虑特定肿瘤生物学的个性化治疗计划。此外,我们还探讨了正在进行的旨在进一步完善分期标准的研究工作,包括相关生物标志物的鉴定和先进成像技术的整合。随着我们对HPV在癌症生物学中的作用的理解不断发展,我们的分期和管理方法必须相应地进行调整。最终,这些修订和伴随的研究将有助于改善患者的结果和更有效的治疗干预,在日益普遍的口咽癌景观。
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引用次数: 0
Assessment of cancer associated fibroblasts amongst different histological variants of oral squamous cell carcinoma 口腔鳞状细胞癌不同组织学变异中癌相关成纤维细胞的评估
Pub Date : 2024-11-29 DOI: 10.1016/j.oor.2024.100696
Reshma Poothakulath Krishnan , Deepak Pandiar , Pratibha Ramani , Neha Kannan , Selvaraj Jayaraman

Background

Cancer associated fibroblasts are heterogenous activated fibroblasts that form the central component of the tumor microenvironment. These cells influence the behavior of the tumor by activating various signaling pathways and initiating epithelial mesenchymal transition. CAFs have been reported in oral squamous cell carcinomas (OSCC), however, very few studies have evaluated the role of CAFs in different variants of OSCC. The aim of this study was to compare the role of CAFs in conventional OSCC and different variants of OSCCs.

Materials and methods

Eight each of well differentiated, moderately differentiated and poorly differentiated OSCC, 5 each of verrucous carcinoma and verrucous carcinoma turning into OSCC, three each of spindle cell carcinoma, basaloid OSCC and OSCC with clear cell differentiation and 2 cases of papillary OSCC were retrieved, and immunohistochemistry was performed with α-SMA to identify and evaluate the CAFs. Kaplan Meier analysis was carried out to evaluate the overall survival of the patients.

Results

Progressive increase in the CAF immunostaining was noted from papillary squamous cell carcinoma [mean - 1] to basaloid squamous cell carcinoma [1.6 ± 0.5] to spindle cell carcinoma and squamous cell carcinoma with clear cell changes [2.6 ± 0.5] (p = 0.00 - statistically significant). Patients with abundant CAF expression showed lesser survival rate when compared to patients with scanty or focal CAF immunohistochemical staining.

Conclusion

Increased CAF immunoexpression was noted in PDSCCs, VCs turning into SCC, OSCC with clear cell changes and spindle cell carcinoma. This highlights the aggressive nature of these tumors. Screening these tumor for the presence of CAFs will help in treatment planning and will aid in treatment planning and survival analysis.
癌症相关成纤维细胞是异质活化的成纤维细胞,是肿瘤微环境的核心组成部分。这些细胞通过激活各种信号通路和启动上皮间质转化来影响肿瘤的行为。CAFs在口腔鳞状细胞癌(OSCC)中有报道,然而,很少有研究评估CAFs在不同OSCC变体中的作用。本研究的目的是比较CAFs在常规OSCC和不同OSCC变体中的作用。材料与方法选取高分化、中分化、低分化OSCC各8例,疣状癌和疣状癌转化为OSCC各5例,梭形细胞癌、基底样OSCC和细胞分化明显的OSCC各3例,乳头状OSCC 2例,采用α-SMA免疫组化方法对其进行鉴定和评价。Kaplan Meier分析评估患者的总生存期。结果CAF免疫染色从乳头状鳞状细胞癌[平均- 1]到基底样鳞状细胞癌[1.6±0.5]到梭形细胞癌和鳞状细胞癌伴透明细胞改变[2.6±0.5],呈进行性升高(p = 0.00,有统计学意义)。CAF表达丰富的患者与CAF免疫组化染色少或局灶的患者相比,生存率较低。结论CAF免疫表达在PDSCCs、vc转化为SCC、透明细胞改变的OSCC和梭形细胞癌中均有升高。这突出了这些肿瘤的侵袭性。筛查这些肿瘤是否存在caf将有助于制定治疗计划,并有助于治疗计划和生存分析。
{"title":"Assessment of cancer associated fibroblasts amongst different histological variants of oral squamous cell carcinoma","authors":"Reshma Poothakulath Krishnan ,&nbsp;Deepak Pandiar ,&nbsp;Pratibha Ramani ,&nbsp;Neha Kannan ,&nbsp;Selvaraj Jayaraman","doi":"10.1016/j.oor.2024.100696","DOIUrl":"10.1016/j.oor.2024.100696","url":null,"abstract":"<div><h3>Background</h3><div>Cancer associated fibroblasts are heterogenous activated fibroblasts that form the central component of the tumor microenvironment. These cells influence the behavior of the tumor by activating various signaling pathways and initiating epithelial mesenchymal transition. CAFs have been reported in oral squamous cell carcinomas (OSCC), however, very few studies have evaluated the role of CAFs in different variants of OSCC. The aim of this study was to compare the role of CAFs in conventional OSCC and different variants of OSCCs.</div></div><div><h3>Materials and methods</h3><div>Eight each of well differentiated, moderately differentiated and poorly differentiated OSCC, 5 each of verrucous carcinoma and verrucous carcinoma turning into OSCC, three each of spindle cell carcinoma, basaloid OSCC and OSCC with clear cell differentiation and 2 cases of papillary OSCC were retrieved, and immunohistochemistry was performed with α-SMA to identify and evaluate the CAFs. Kaplan Meier analysis was carried out to evaluate the overall survival of the patients.</div></div><div><h3>Results</h3><div>Progressive increase in the CAF immunostaining was noted from papillary squamous cell carcinoma [mean - 1] to basaloid squamous cell carcinoma [1.6 ± 0.5] to spindle cell carcinoma and squamous cell carcinoma with clear cell changes [2.6 ± 0.5] (p = 0.00 - statistically significant). Patients with abundant CAF expression showed lesser survival rate when compared to patients with scanty or focal CAF immunohistochemical staining.</div></div><div><h3>Conclusion</h3><div>Increased CAF immunoexpression was noted in PDSCCs, VCs turning into SCC, OSCC with clear cell changes and spindle cell carcinoma. This highlights the aggressive nature of these tumors. Screening these tumor for the presence of CAFs will help in treatment planning and will aid in treatment planning and survival analysis.</div></div>","PeriodicalId":94378,"journal":{"name":"Oral Oncology Reports","volume":"13 ","pages":"Article 100696"},"PeriodicalIF":0.0,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143145775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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Oral Oncology Reports
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