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Trans-hairline robotic neck dissection and robotic microvascular free flap reconstruction in oral cavity cancer 跨发际线机器人颈部清扫和机器人微血管游离皮瓣重建在口腔癌中的应用。
IF 3.9 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-12-15 DOI: 10.1016/j.oraloncology.2025.107819
Velda Ling-Yu CHOW, Valerie Wai-Yee HO, Arthur Shing-Ho LO

Background

A report on the feasibility of sequential robotic-assisted neck dissection and robotic micro-surgical free flap reconstruction via a trans-hairline approach in oral cavity cancer patients.

Material and methods

A patient with cT2N0 right tongue squamous cell carcinoma is used for illustration.

Results

A trans-hairline incision is used. Subplatysmal flaps are raised and levels I-III cervical lymph nodes are exposed. Da Vinci Xi robotic system is then docked via trans-hairline incision for neck dissection followed by trans-oral hemi-glossectomy. Skin island of free anterolateral thigh flap is used to reconstruct intra-oral mucosal defect. Flap pedicle is passed to the neck medial to mandible for microvascular anastomosis using the Symani micro-robotic surgical system via trans-hairline incision.

Conclusion

Trans-hairline robotic-assisted neck dissection and robotic microvascular free flap surgery is feasible and safe with good cosmetic and functional outcomes in oral cavity cancer patients.
背景:报道了经发际线入路的机器人辅助颈清扫和机器人显微手术游离皮瓣重建在口腔癌患者中的可行性。材料与方法:以1例cT2N0右舌鳞状细胞癌为例。结果:采用跨发际切口。板下瓣抬高,暴露I-III级颈淋巴结。然后通过发际线切口对接Da Vinci Xi机器人系统进行颈部清扫,然后进行经口半舌切除术。应用游离大腿前外侧皮瓣皮肤岛修复口腔黏膜缺损。采用Symani微型机器人手术系统经发际线切口将皮瓣蒂经颈部内侧至下颌骨进行微血管吻合。结论:跨发际线机器人辅助颈部清扫和机器人微血管游离皮瓣手术在口腔癌患者中是可行且安全的,具有良好的美容和功能效果。
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引用次数: 0
Methodological considerations in profiling the immune microenvironment and HPV status of oral multiple primary cancers 口腔多发原发癌免疫微环境和HPV状态分析的方法学考虑。
IF 3.9 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-12-15 DOI: 10.1016/j.oraloncology.2025.107822
Shanshan Yuan, Jingjing Gao
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引用次数: 0
Patterns of metastasis and nodal disease in tongue and buccal carcinomas: Case-based reflections in Delhi NCR Region 舌癌和颊癌的转移和结病模式:在德里NCR地区基于病例的反思。
IF 3.9 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-12-15 DOI: 10.1016/j.oraloncology.2025.107816
Kripa Bajaj , Ramya Ramadoss , Sandhya Sundar , Suganya Panneer Selvam , Hema Shree K.

Background

Oral squamous cell carcinoma (OSCC) is a large source of cancer-related morbidity in India especially when it involves the tongue and the buccal mucosa. Despite the fact that TNM staging provides a global framework, regional patterns of metastasis, comorbidity interaction and concordance between imaging and pathology are not uniformly represented. This study will investigate nodal disease patterns in a group of people in the Delhi National Capital Region (NCR) and will suggest more specific treatments. The research aims to facilitate early diagnosis and intervention pathways and to reduce inequality in healthcare service provision.

Methods

Twenty patients with OSCC who had been diagnosed between 2023 and 2025 were the subjects of a retrospective study conducted on tertiary oncology centres in Delhi NCR. Inclusion criteria were confirmation of primary OSCC of the tongue or buccal mucosa, availability of PET −CT or MRI images, full TNM staging, and comorbidity information. Data visualization included heatmaps, scatter plot, cluster diagram and radar charts. Along with the imaging concordance, tumour site, the size of the lesion, nodal involvement, and the burden of comorbidity were evaluated.

Results

Bilateral nodal involvement was higher in the Tongue OSCC, mostly at Level II and III, but the tumours of the buccal mucosa were mostly limited to Level Ib unilateral. Nodal burden was much higher in lesions of around 3.5 cm. Comorbidities (diabetes and chronic kidney disease) were also related to higher FDG uptake and necrosis, but the relationships were not statistically significant. PET-CT had 85 percent agreement with the pathology of the surgery. The decision of treatment was based on the staging with surgery being the preferred treatment option in early disease and chemoradiation in advanced ones.

Conclusion

The site and size of tumour have a significant impact on nodal dissemination in OSCC. Bilateral neck dissection can be a wise option in case of early tongue lesions involving the midline but selective unilateral dissection is adequate in selecting cases involving the buccal lesions. It is necessary to couple comorbidity profiling with imaging results when planning pre-treatment. In this study, health systems, health equity, and collaborative oncology care are strengthened.
背景:口腔鳞状细胞癌(OSCC)是印度癌症相关发病率的一大来源,特别是当它累及舌头和颊粘膜时。尽管TNM分期提供了一个全球框架,但转移的区域模式、合并症的相互作用以及影像学和病理学之间的一致性并没有统一的代表。本研究将调查德里国家首都地区(NCR)一组人群的淋巴结疾病模式,并提出更具体的治疗方法。该研究旨在促进早期诊断和干预途径,并减少医疗服务提供中的不平等。方法:在德里NCR三级肿瘤中心对2023年至2025年间诊断的20例OSCC患者进行回顾性研究。纳入标准为确认舌头或颊粘膜原发OSCC, PET -CT或MRI图像的可用性,完整的TNM分期和合并症信息。数据可视化包括热图、散点图、聚类图和雷达图。随着影像学的一致性,肿瘤的位置,病变的大小,淋巴结的累及和合并症的负担进行评估。结果:舌头OSCC的双侧淋巴结受累较高,主要在II级和III级,但颊粘膜的肿瘤大多局限于单侧Ib级。在3.5 cm左右的病变中,淋巴结负担要高得多。合并症(糖尿病和慢性肾脏疾病)也与FDG摄取增加和坏死有关,但两者之间的关系无统计学意义。PET-CT与手术病理有85%的一致性。治疗的决定是基于分期,早期手术是首选的治疗方案,晚期放化疗。结论:肿瘤的部位和大小对OSCC淋巴结的播散有重要影响。在早期舌部病变累及中线的情况下,双侧颈部清扫是一个明智的选择,但在累及颊部病变的情况下,选择性单侧清扫是足够的。在计划术前治疗时,有必要将合并症分析与影像学结果相结合。在本研究中,卫生系统、卫生公平和协作肿瘤学护理得到加强。
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引用次数: 0
Letter to the editor: Stroke risk after head and neck cancer diagnosis and treatment in a Real-World clinical cohort 致编辑的信:在现实世界的临床队列中,头颈癌诊断和治疗后的中风风险。
IF 3.9 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-12-15 DOI: 10.1016/j.oraloncology.2025.107705
Cunxi Zou
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引用次数: 0
Cerebrovascular events after head and neck radiation therapy: A systematic review and Meta-Analysis 头颈部放射治疗后脑血管事件:系统回顾和荟萃分析。
IF 3.9 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-12-13 DOI: 10.1016/j.oraloncology.2025.107810
Kennedy Ayoo , Elliot Koo , Noémie Villemure-Poliquin , Rui Fu , Jonathan C Irish , Thomas Lindsay , Antoine Eskander

Background

Several studies have demonstrated increased risk of cerebrovascular events, including carotid stenosis, stroke & transient ischemic attack, following head and neck radiation therapy (RT) for head and neck cancer (HNC). This systematic review reports the incidence of cerebrovascular events (CVEs) and the relative rate (RR) of ischemic stroke in patients treated with RT compared to non-RT populations.

Methods

A comprehensive database search identified publications reporting the incidence or RR of CVEs following RT. Citations were retrieved, and data was extracted where appropriate. Risk of bias was assessed, and meta-analyses were conducted to present pooled estimates of the incidence of CVEs after RT and the RR of ischemic stroke.

Results

2,598 citations were retrieved, of which 50 met criteria for inclusion. The incidence of carotid stenosis ranged from 0 %-40 % over median follow-up duration of 6–68 months (mean = 6–150 months). The incidence of ischemic stroke was 8.98 per 1,000 person-years (95 % CI: 4.66 – 17.30). The relative rate of ischemic stroke was higher in patients treated with radiation therapy with a HR of 1.33 (95 % CI: 1.21 – 1.45) when compared to a reference population (HR of 1) of those treated with surgery and a HR of 1.29 (95 % CI: 1.13 – 1.47) when compared to the general population as the reference group.

Conclusions

HNC patients face an increased risk of ischemic stroke following head and neck radiation therapy. The magnitude of this heightened risk remains elusive in the contemporary era of intensity-modulated radiation techniques and should be addressed in future studies.
背景:一些研究表明,头颈癌(HNC)放疗后脑血管事件的风险增加,包括颈动脉狭窄、中风和短暂性脑缺血发作。本系统综述报道了与非RT人群相比,接受RT治疗的患者的脑血管事件(CVEs)发生率和缺血性卒中的相对发生率(RR)。方法:通过全面的数据库检索,确定报道rt后cve发生率或RR的出版物。检索引文,并在适当的地方提取数据。对偏倚风险进行了评估,并进行了荟萃分析,以汇总估计RT后cve的发生率和缺血性卒中的RR。结果:共检索到2598篇引文,其中50篇符合纳入标准。在6-68个月的中位随访期间(平均6-150个月),颈动脉狭窄的发生率为0% - 40%。缺血性卒中的发生率为8.98 / 1000人年(95% CI: 4.66 - 17.30)。接受放射治疗的患者缺血性卒中的相对发生率较高,与接受手术治疗的参考人群(HR为1)相比,其HR为1.33 (95% CI: 1.21 - 1.45),与作为参考组的一般人群相比,其HR为1.29 (95% CI: 1.13 - 1.47)。结论:HNC患者在头颈部放射治疗后面临缺血性卒中的风险增加。在调强辐射技术的当代时代,这种增加的风险的程度仍然难以捉摸,应该在未来的研究中加以解决。
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引用次数: 0
Survival rates and oncologic outcomes of adeno squamous carcinoma of oral cavity: A systematic review 口腔腺鳞癌的生存率和肿瘤预后:一项系统综述。
IF 3.9 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-12-13 DOI: 10.1016/j.oraloncology.2025.107821
Francesco Chiari , Andrea Luigi Camillo Carobbio , Marco Ferrari , Piero Nicolai , Claudio Donadio Caporale , Pierre Guarino

Background

Adenosquamous carcinoma (ASC) of the oral cavity is an uncommon and aggressive malignancy characterized by squamous and glandular histologic components. Due to its rarity, clinical behavior and oncologic outcomes remain poorly defined.

Methods

A systematic literature review was conducted according to PRISMA 2020 guidelines. Comprehensive searches of Embase, PubMed, Scopus, and Cochrane Library identified studies published between 1968 and 2025.

Results

Sixty-one patients were included. The most frequent subsites were tongue (43 %) and floor of mouth (31 %). Transoral surgery was performed in 93 % of cases, with neck dissection in 50 %. Adjuvant therapy was administered in 27 %. Despite 57 % presenting with early-stage disease, recurrence occurred in 42 %: local (36 %), regional (20 %), and distant (10 %). Local recurrence was significantly associated with advanced stage (p = 0.007) and subsite (p = 0.028), highest in floor of mouth (59 %) and gingiva (50 %). Perineural invasion (PNI), lymphovascular invasion (LVI), and positive margins correlated with recurrence and reduced time to recurrence (TTR), disease-specific survival (DSS), and overall survival (OS) (p < 0.001). Two-year TTR, DSS, and OS rates were 47 %, 74 %, and 70 %, respectively—lower than reported for conventional oral squamous carcinoma. Because oral ASC is rare, the evidence is primarily derived from case reports and small retrospective series.

Conclusions

Oral ASC demonstrates high recurrence and poor survival, even in early-stage disease. Prognosis is strongly influenced by PNI, LVI, and margin status, as well as tumor subsite. These findings highlight oral ASC as a distinct and particularly aggressive entity.
背景:口腔腺鳞癌(ASC)是一种罕见的侵袭性恶性肿瘤,以鳞状和腺状的组织学成分为特征。由于其罕见性,临床行为和肿瘤预后仍不明确。方法:根据PRISMA 2020指南进行系统文献综述。对Embase、PubMed、Scopus和Cochrane图书馆的综合搜索确定了1968年至2025年间发表的研究。结果:纳入61例患者。最常见的亚部位是舌头(43%)和口腔底部(31%)。经口手术占93%,颈清扫占50%。27%的患者接受辅助治疗。尽管57%的患者表现为早期疾病,但42%的患者出现了复发:局部(36%)、局部(20%)和远处(10%)。局部复发率与晚期(p = 0.007)和亚部位(p = 0.028)有显著相关性,以口腔底(59%)和牙龈(50%)最高。围神经侵袭(PNI)、淋巴血管侵袭(LVI)和阳性切缘与复发、缩短复发时间(TTR)、疾病特异性生存(DSS)和总生存(OS)相关。结论:口服ASC具有高复发率和低生存率,即使在早期疾病中也是如此。PNI、LVI、边缘状态以及肿瘤亚位点对预后有很大影响。这些发现强调口腔ASC是一种独特的、特别具有侵袭性的实体。
{"title":"Survival rates and oncologic outcomes of adeno squamous carcinoma of oral cavity: A systematic review","authors":"Francesco Chiari ,&nbsp;Andrea Luigi Camillo Carobbio ,&nbsp;Marco Ferrari ,&nbsp;Piero Nicolai ,&nbsp;Claudio Donadio Caporale ,&nbsp;Pierre Guarino","doi":"10.1016/j.oraloncology.2025.107821","DOIUrl":"10.1016/j.oraloncology.2025.107821","url":null,"abstract":"<div><h3>Background</h3><div>Adenosquamous carcinoma (ASC) of the oral cavity is an uncommon and aggressive malignancy characterized by squamous and glandular histologic components. Due to its rarity, clinical behavior and oncologic outcomes remain poorly defined.</div></div><div><h3>Methods</h3><div>A systematic literature review was conducted according to PRISMA 2020 guidelines. Comprehensive searches of Embase, PubMed, Scopus, and Cochrane Library identified studies published between 1968 and 2025.</div></div><div><h3>Results</h3><div>Sixty-one patients were included. The most frequent subsites were tongue (43 %) and floor of mouth (31 %). Transoral surgery was performed in 93 % of cases, with neck dissection in 50 %. Adjuvant therapy was administered in 27 %. Despite 57 % presenting with early-stage disease, recurrence occurred in 42 %: local (36 %), regional (20 %), and distant (10 %). Local recurrence was significantly associated with advanced stage (p = 0.007) and subsite (p = 0.028), highest in floor of mouth (59 %) and gingiva (50 %). Perineural invasion (PNI), lymphovascular invasion (LVI), and positive margins correlated with recurrence and reduced time to recurrence (TTR), disease-specific survival (DSS), and overall survival (OS) (p &lt; 0.001). Two-year TTR, DSS, and OS rates were 47 %, 74 %, and 70 %, respectively—lower than reported for conventional oral squamous carcinoma. Because oral ASC is rare, the evidence is primarily derived from case reports and small retrospective series.</div></div><div><h3>Conclusions</h3><div>Oral ASC demonstrates high recurrence and poor survival, even in early-stage disease. Prognosis is strongly influenced by PNI, LVI, and margin status, as well as tumor subsite. These findings highlight oral ASC as a distinct and particularly aggressive entity.</div></div>","PeriodicalId":19716,"journal":{"name":"Oral oncology","volume":"172 ","pages":"Article 107821"},"PeriodicalIF":3.9,"publicationDate":"2025-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145757122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Is 55 years an optimal age cutoff point for clinical staging in T1 papillary thyroid cancer? 55岁是T1型甲状腺乳头状癌临床分期的最佳年龄分界点吗?
IF 3.9 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-12-11 DOI: 10.1016/j.oraloncology.2025.107817
Daixing Hu , Zhuolin Dai , Yang Feng , Xinliang Su , Chun Huang

Background

This study aims to determine the optimal age cutoff for T1 papillary thyroid cancer (PTC), with a particular focus on the T1a and T1b subgroups.

Methods

A retrospective review of electronic medical records was conducted to identify patients who underwent thyroidectomy at our institution from January 2013 to December 2018.

Results

The study cohort consisted of 2,862 patients, including 765 men (26.7 %) and 2,097 women (73.3 %). Survival analysis demonstrated significantly poorer recurrence-free survival (RFS) in patients aged ≥55 years (p < 0.001). Patients were stratified into T1 (tumor size ≤2 cm, n = 2,328) and non-T1 (tumor size >2 cm, n = 534) subgroups. Among the non-T1 subgroup, older patients exhibited significantly inferior RFS, consistent with the overall cohort (p < 0.001). However, this difference was not observed in the T1 subgroup (p = 0.079). Within the T1 PTC subgroup, significant differences were identified between T1a and T1b patients concerning gender distribution, tumor size, clinical lymph node-positive status (cN1), total thyroidectomy, bilaterality, presence of Hashimoto’s thyroiditis, central lymph node metastasis, lateral lymph node metastasis, and radioiodine treatment (all p < 0.05). Further analysis indicated that when stratified by an age cutoff of 65 years, the prognosis for T1b patients was statistically significant (p = 0.018), whereas the prognosis for T1a patients was not statistically significant (p = 0.64).

Conclusion

The clinicopathologic characteristics of T1b patients differ significantly from those of T1a patients. Age may not be a critical factor in the prognostic staging system for T1a PTC patients, whereas 65 years appears to be a more appropriate age cutoff for T1b patients.
本研究旨在确定T1乳头状甲状腺癌(PTC)的最佳年龄界限,特别关注T1a和T1b亚组。方法回顾性分析2013年1月至2018年12月在我院行甲状腺切除术患者的电子病历。结果研究队列包括2862例患者,其中男性765例(26.7%),女性2097例(73.3%)。生存分析显示,年龄≥55岁的患者无复发生存率(RFS)明显较差(p < 0.001)。将患者分为T1组(肿瘤大小≤2 cm, n = 2328)和非T1组(肿瘤大小≤2 cm, n = 534)。在非t1亚组中,老年患者表现出明显较差的RFS,与整个队列一致(p < 0.001)。然而,在T1亚组中没有观察到这种差异(p = 0.079)。在T1 PTC亚组中,T1a和T1b患者在性别分布、肿瘤大小、临床淋巴结阳性状态(cN1)、全甲状腺切除术、双侧、是否存在桥本甲状腺炎、中央淋巴结转移、侧淋巴结转移和放射性碘治疗方面存在显著差异(p < 0.05)。进一步分析发现,以65岁分层时,T1b患者的预后有统计学意义(p = 0.018),而T1a患者的预后无统计学意义(p = 0.64)。结论T1b患者的临床病理特征与T1a患者有显著差异。年龄可能不是T1a PTC患者预后分期系统的关键因素,而65岁似乎是T1b患者更合适的年龄界限。
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引用次数: 0
Treatment and outcome for 2,111 patients with vermilion lip squamous cell carcinoma: A nationwide, population-based study from the SweHNCR 2111例红唇鳞状细胞癌患者的治疗和结果:一项来自SweHNCR的全国性、基于人群的研究
IF 3.9 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-12-11 DOI: 10.1016/j.oraloncology.2025.107818
A. Hafström , E. Hammerlid , M. Beran , M. Olin , A. Högmo , L. Farnebo

Background and importance

The major risk factor for vermilion lip squamous cell carcinoma (vlSCC) is excessive sunlight exposure. Population-based studies on treatment and outcome are lacking.

Methods

This is a nation-wide, population-based study of treatment and outcome from prospectively recorded data for 2,111 vlSCC registered in the Swedish Head and Neck Cancer Register (SweHNCR) diagnosed 2008–2022.

Results

The age standardized incidence increased with 34 % between 2008 and 2022, from 1.14 to 1.53 per 100,000 (19 % for males and 55 % for females). Median age at diagnosis was 76 years and 72.4 % had good performance status. Males predominated (57.1 %). Lower lip vlSCC comprised 82.6 % and upper 8.6 %. Most had T1 (81.7 %) or T2 (13.5 %) tumors and few had regional (2.7 %) or distant (0.1 %) metastases. The 5-year observed overall survival was 70.5 % (95 % CI 68.4–72.6) and relative survival 90.8 % (95 % CI 88.2–93.7).
Treatment data were registered in 1,948 cases and 97.5 % (1,900) had a curative intent, whereof 88.5 % had surgery, 7.3 % radiotherapy, and 4.2 % combination treatment. Recurrences were registered in 5.6 % (48.6 % local, 42.1 % regional) whereof 15.9 % after three years. Stage I recurred after median 17 (IQR 9–28) months whereas stage II and III after 10 months (7–17 and 9–13, respectively). Advanced age (p < 0.001), poor performance status (p < 0.001), male sex (p = 0.002), high stage (p = 0.041), and only radiotherapy (p = 0.007) remained as independent prognostic factors for mortality.

Conclusion

Females had higher incidence increase than males. Advanced age, poor performance status, male sex, advanced disease, and radiotherapy only were independent prognostic factors for mortality.
背景和重要性朱红色唇鳞状细胞癌(vlSCC)的主要危险因素是过度的阳光照射。目前缺乏以人群为基础的治疗和结果研究。方法:这是一项全国性的、基于人群的研究,对2008-2022年在瑞典头颈癌登记处(SweHNCR)诊断的2111例vlSCC的治疗和结果进行前瞻性记录。结果2008年至2022年,年龄标准化发病率从1.14 / 10万增加到1.53 / 10万,增加了34%(男性19%,女性55%)。诊断时的中位年龄为76岁,72.4%的患者表现良好。男性占多数(57.1%)。下唇vlSCC占82.6%,上唇占8.6%。大多数为T1(81.7%)或T2(13.5%)肿瘤,少数为局部(2.7%)或远处(0.1%)转移。5年观察总生存率为70.5% (95% CI 68.4-72.6),相对生存率为90.8% (95% CI 88.2-93.7)。登记的治疗资料为1948例,97.5%(1900例)有治愈意图,其中手术治疗占88.5%,放疗占7.3%,联合治疗占4.2%。复发率为5.6%(本地48.6%,区域42.1%),三年后复发率为15.9%。I期复发的中位时间为17个月(IQR为9-28),II期和III期复发的中位时间为10个月(分别为7-17和9-13)。高龄(p < 0.001)、表现不佳(p < 0.001)、男性(p = 0.002)、晚期(p = 0.041)和仅放疗(p = 0.007)仍然是死亡的独立预后因素。结论女性发病率高于男性。高龄、运动状态差、男性、疾病晚期和放疗仅是死亡率的独立预后因素。
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引用次数: 0
A pilot study of a digital workflow for navigated tumor bed marking to reduce clinical target volume during adjuvant radiotherapy for oral squamous cell carcinoma 在口腔鳞状细胞癌辅助放疗期间,导航肿瘤床标记的数字工作流程以减少临床靶体积的初步研究
IF 3.9 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-12-11 DOI: 10.1016/j.oraloncology.2025.107820
Frederik Holdorf , Henning Schliephake , Kathi Goldstein , Lennart Johannes Gruber , Phillipp Brockmeyer , Martin Leu , Stefan Rieken , Boris Schminke

Purpose

The treatment of advanced-stage oral squamous cell carcinoma (OSCC) often requires adjuvant radiotherapy to improve the survival rate. Accurately defining the clinical target volume (CTV) is critical for radiation treatment to maximize the radiation dose and minimize negative side effects. However, precise planning remains difficult because of postoperative anatomical changes, which may lead to oversized volumes with increased collateral damage to adjacent tissues. The aim of this study is to suggest a digital planning algorithm to improve the precision of CTV definition.

Methods

In this pilot study, intraoperative digital tracings of tumor resection margins were located in the preoperative computed tomography (CT) datasets of ten patients with advanced OSCC using the Brainlab Curve navigation system. OSCCs of the tongue were excluded from this analysis because of their unique anatomical features. The preoperative scans with digital tracings were aligned with the postoperative scans to identify the desired CTV. The digitally navigated CTVs were compared with the CTVs resulting from conventional planning.

Results

Our findings demonstrated that the digital workflow can be easily integrated into the surgical procedure and provides a straightforward and reproducible method to achieve a statistically significant average reduction of 25.71% in the CTV.

Conclusion

This innovative approach to digital tracing of the resection margins in postoperative CT scans significantly increases the precision of CTV planning. Clinical studies will be needed to test the oncological safety compared to conventional planning algorithms and the potential for improved outcomes with respect to side effects and quality of life.
目的晚期口腔鳞状细胞癌(OSCC)的治疗往往需要辅助放疗以提高生存率。准确确定临床靶体积(CTV)是实现放射治疗剂量最大化和副作用最小化的关键。然而,由于术后解剖改变,精确的计划仍然很困难,这可能导致体积过大,增加对邻近组织的附带损伤。本研究的目的是提出一种数字规划算法,以提高CTV清晰度的精度。方法采用Brainlab Curve导航系统,对10例晚期OSCC患者术前CT数据集中的术中肿瘤切除边缘进行数字化定位。由于其独特的解剖特征,舌头的OSCCs被排除在本分析之外。术前数字跟踪扫描与术后扫描对齐,以确定所需的CTV。将数字导航的ctv与传统规划的ctv进行比较。结果数字化工作流程可以很容易地集成到手术过程中,并提供了一种简单、可重复的方法,使CTV平均降低25.71%,具有统计学意义。结论这种创新的方法在术后CT扫描中对切除边缘进行数字追踪,显著提高了CTV规划的精度。需要临床研究来测试与传统计划算法相比的肿瘤安全性,以及在副作用和生活质量方面改善结果的潜力。
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引用次数: 0
Patient-derived 3D organoid platform for functional assessment of GPC3-targeted CAR T cell cytotoxic activity in head and neck squamous cell carcinoma 用于头颈部鳞状细胞癌中gpc3靶向CAR - T细胞毒性活性功能评估的患者衍生的3D类器官平台
IF 3.9 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2025-12-10 DOI: 10.1016/j.oraloncology.2025.107814
Han-Na Yoon , Jin-ha Kim , Doeon Gu , Jonghyun Lee , Soo Yoon Kim , Hye Jin Kim , Jaehyeon Jeong , Dongkwan Shin , Yuh-Seog Jung , Man Ki Chung , Sang-Jin Lee , Sung Yong Choi

Background

Head and neck squamous cell carcinoma (HNSCC) remains a therapeutic challenge owing to its marked heterogeneity and limited immunotherapy efficacy, underscoring the need for improved therapeutic strategies and preclinical systems supporting clinical translation.

Method

We established a simplified and optimized 3D head and neck cancer organoid (HNCO)–chimeric antigen receptor (CAR) T cell co-culture platform that maintains uniform spheroid architecture (>500 μm) to recapitulate physiological hypoxia while preserving the tumor secretome. CAR T cell cytotoxic activity was assessed through multimodal readouts—structural disruption, ATP-based viability, and granzyme B secretion. Following initial organoid seeding, the workflow proceeded without physical manipulation, enabling concurrent multimodal assessment of CAR T cell activity from a single co-culture.

Results

Analysis of The Cancer Genome Atlas (TCGA) data revealed that high glypican-3 (GPC3) expression was associated with poor survival in patients with HNSCC. We generated GPC3-targeted CAR T (GPC3-CAR T) cells. Using our co-culture platform, we evaluated the cytotoxic activity of GPC3-CAR T cells against five HNCOs harboring diverse genetic alterations and variable GPC3 expression. Organoids with high or moderate GPC3 expression consistently exhibited structural disintegration, reduced viability, and increased granzyme B secretion, whereas GPC3-low organoids showed heterogeneous responses.

Conclusions

This proof-of-concept study introduces a patient-derived 3D organoid platform for functional assessment of CAR T cell cytotoxic activity in HNSCC. Our findings suggest that GPC3-CAR T therapy may be clinically applicable to subsets of patients with HNSCC, while emphasizing the need for functional validation to account for interpatient heterogeneity in clinical translation.
背景:头颈部鳞状细胞癌(HNSCC)由于其明显的异质性和有限的免疫治疗效果,仍然是一个治疗挑战,强调需要改进治疗策略和支持临床转化的临床前系统。方法:建立简化优化的3D头颈癌类器官(HNCO)-嵌合抗原受体(CAR) T细胞共培养平台,该平台保持均匀的球形结构(>500 μm),在保留肿瘤分泌组的同时再现生理性缺氧。CAR - T细胞的细胞毒性活性通过多模式读数进行评估——结构破坏、基于atp的活力和颗粒酶B分泌。在初始的类器官播种后,工作流程无需物理操作即可进行,从而可以通过单个共培养同时对CAR - T细胞活性进行多模式评估。结果:癌症基因组图谱(TCGA)数据分析显示,高glypican-3 (GPC3)表达与HNSCC患者的低生存率相关。我们生成了gpc3靶向CAR - T细胞(GPC3-CAR - T)。利用我们的共培养平台,我们评估了GPC3- car - T细胞对五种具有不同遗传改变和可变GPC3表达的HNCOs的细胞毒性活性。GPC3高表达或中等表达的类器官一致表现出结构解体、活力降低和颗粒酶B分泌增加,而GPC3低表达的类器官则表现出异质性反应。结论:这项概念验证研究引入了一种患者衍生的3D类器官平台,用于HNSCC中CAR - T细胞毒性活性的功能评估。我们的研究结果表明,GPC3-CAR - T疗法可能在临床上适用于HNSCC患者亚群,同时强调需要进行功能验证,以解释临床转化中的患者间异质性。
{"title":"Patient-derived 3D organoid platform for functional assessment of GPC3-targeted CAR T cell cytotoxic activity in head and neck squamous cell carcinoma","authors":"Han-Na Yoon ,&nbsp;Jin-ha Kim ,&nbsp;Doeon Gu ,&nbsp;Jonghyun Lee ,&nbsp;Soo Yoon Kim ,&nbsp;Hye Jin Kim ,&nbsp;Jaehyeon Jeong ,&nbsp;Dongkwan Shin ,&nbsp;Yuh-Seog Jung ,&nbsp;Man Ki Chung ,&nbsp;Sang-Jin Lee ,&nbsp;Sung Yong Choi","doi":"10.1016/j.oraloncology.2025.107814","DOIUrl":"10.1016/j.oraloncology.2025.107814","url":null,"abstract":"<div><h3>Background</h3><div>Head and neck squamous cell carcinoma (HNSCC) remains a therapeutic challenge owing to its marked heterogeneity and limited immunotherapy efficacy, underscoring the need for improved therapeutic strategies and preclinical systems supporting clinical translation.</div></div><div><h3>Method</h3><div>We established a simplified and optimized 3D head and neck cancer organoid (HNCO)–chimeric antigen receptor (CAR) T cell co-culture platform that maintains uniform spheroid architecture (&gt;500 μm) to recapitulate physiological hypoxia while preserving the tumor secretome. CAR T cell cytotoxic activity was assessed through multimodal readouts—structural disruption, ATP-based viability, and granzyme B secretion. Following initial organoid seeding, the workflow proceeded without physical manipulation, enabling concurrent multimodal assessment of CAR T cell activity from a single co-culture.</div></div><div><h3>Results</h3><div>Analysis of The Cancer Genome Atlas (TCGA) data revealed that high glypican-3 (GPC3) expression was associated with poor survival in patients with HNSCC. We generated GPC3-targeted CAR T (GPC3-CAR T) cells. Using our co-culture platform, we evaluated the cytotoxic activity of GPC3-CAR T cells against five HNCOs harboring diverse genetic alterations and variable GPC3 expression. Organoids with high or moderate GPC3 expression consistently exhibited structural disintegration, reduced viability, and increased granzyme B secretion, whereas GPC3-low organoids showed heterogeneous responses.</div></div><div><h3>Conclusions</h3><div>This proof-of-concept study introduces a patient-derived 3D organoid platform for functional assessment of CAR T cell cytotoxic activity in HNSCC. Our findings suggest that GPC3-CAR T therapy may be clinically applicable to subsets of patients with HNSCC, while emphasizing the need for functional validation to account for interpatient heterogeneity in clinical translation.</div></div>","PeriodicalId":19716,"journal":{"name":"Oral oncology","volume":"172 ","pages":"Article 107814"},"PeriodicalIF":3.9,"publicationDate":"2025-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145725145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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Oral oncology
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