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C-C chemokine receptor 4 is a candidate for regulatory T-cell-depletion immunotherapy in differentiated thyroid cancer C-C趋化因子受体4是分化型甲状腺癌调节性t细胞耗竭免疫治疗的候选药物。
IF 1.5 4区 医学 Q2 OTORHINOLARYNGOLOGY Pub Date : 2025-12-10 DOI: 10.1016/j.anl.2025.12.004
Rui Sano , Hiromu Nakamura , Susumu Suzuki , Daisuke Inukai , Hiroki Okamoto , Shunpei Yamanaka , Taishi Takahara , Akira Satou , Yasushi Fujimoto , Toyonori Tsuzuki , Ryuzo Ueda , Tetsuya Ogawa

Objective

Immunotherapy using immune checkpoint inhibitors is a standard treatment option for many types of malignancies but is not effective for differentiated thyroid cancer (DTC). Regulatory T-cells (Tregs), which are one of the main suppressive factors in the tumor microenvironment, are another important target for immunotherapy. This study investigated the characteristics of Tregs in DTC with the aim of further developing immunotherapy.

Methods

Peripheral blood lymphocytes (PBLs) and tumor-infiltrating lymphocytes (TILs) were obtained from 12 patients with DTC and 12 patients with goiter (benign control group) who underwent primary surgery between February 2017 and September 2022. Flow cytometry analyses were performed for CD4, CD45RA, FOXP3, CC chemokine receptor 4 (CCR4; a candidate Treg-targeting molecule), and immune checkpoint molecules in order to characterize the features of Tregs.

Results

In the DTC patients, age ranged from 39 to 84 years, and the male:female ratio was 7:5. Pathological staging was pT1 or pT2 in 4 patients, pT3 in 8, pN0 in 5, and pN1 in 7, and extrathyroidal extension was observed in 5 patients. Effector Treg (eTreg) frequency in CD4+ T-cells in TILs and PBLs was significantly higher in DTC than in goiter. Extrathyroidal extension was associated with a higher eTreg frequency in TILs. A positive correlation was found between eTreg frequency and the expression of immune checkpoint molecules (PD-1, TIM3, GITR, and OX40) on eTregs in TILs from DTC patients. These findings suggest that Tregs are activated in DTC and are important in the creation of an immunosuppressive microenvironment. In addition, the mean positive rate (±standard deviation) of CCR4 on eTregs was high in PBLs (95.8 % ± 3.8 %) and TILs (92.8 % ± 9.8 %) from DTC patients, suggesting that CCR4 is a potential target for eTreg-depletion immunotherapy for DTC.

Conclusion

Tregs were increased and activated in DTC tumor tissue, indicating that they play an important role in creating an immunosuppressive microenvironment in DTC. The results suggest that eTreg-depletion immunotherapy using an anti-CCR4 antibody (mogamulizumab) might be effective for treating DTC.
目的:使用免疫检查点抑制剂的免疫治疗是许多类型恶性肿瘤的标准治疗选择,但对分化型甲状腺癌(DTC)无效。调节性t细胞(Regulatory t cells, Tregs)是肿瘤微环境中的主要抑制因子之一,是免疫治疗的另一个重要靶点。本研究旨在探讨Tregs在DTC中的特征,以进一步开发免疫治疗。方法:选取2017年2月至2022年9月期间接受原发性手术的12例DTC患者和12例甲状腺肿患者(良性对照组)的外周血淋巴细胞(pbl)和肿瘤浸润淋巴细胞(TILs)。流式细胞术分析CD4、CD45RA、FOXP3、CC趋化因子受体4 (CCR4,候选treg靶向分子)和免疫检查点分子,以表征treg的特征。结果:DTC患者年龄39 ~ 84岁,男女比例为7:5。病理分期为pT1或pT2 4例,pT3 8例,pN0 5例,pN1 7例,甲状腺外展5例。DTC患者til和pbl患者CD4+ t细胞中的效应Treg (eTreg)频率明显高于甲状腺肿患者。甲状腺外展与TILs中较高的eTreg频率相关。在DTC患者的TILs中,eTreg频率与免疫检查点分子(PD-1、TIM3、GITR和OX40)在eTreg上的表达呈正相关。这些发现表明Tregs在DTC中被激活,并且在创建免疫抑制微环境中很重要。此外,DTC患者的PBLs(95.8%±3.8%)和TILs(92.8%±9.8%)中CCR4对etreg的平均阳性率(±标准差)很高,表明CCR4是DTC eTreg-depletion immunotherapy的潜在靶点。结论:Tregs在DTC肿瘤组织中表达增加和活化,提示Tregs在DTC中产生免疫抑制微环境中发挥重要作用。结果表明,使用抗ccr4抗体(mogamulizumab)的etreg耗尽免疫疗法可能对治疗DTC有效。
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引用次数: 0
Subtotal petrosectomy for extensive cholesteatoma: A case series from Japan 日本广泛胆脂瘤小全切除术一例。
IF 1.5 4区 医学 Q2 OTORHINOLARYNGOLOGY Pub Date : 2025-12-08 DOI: 10.1016/j.anl.2025.12.001
Hiroshi Sakaida, Kazuhiko Takeuchi

Objective

Subtotal petrosectomy (STP) is a standard procedure for intractable middle ear disease in Western countries, but reports from Japan are scarce. This report describes the clinical experience, patient characteristics, and surgical outcomes of STP at a tertiary center in Japan.

Methods

We retrospectively reviewed the medical records of all patients who underwent STP in our department between January 2018 and April 2022. We analyzed patient demographics, underlying pathology, preoperative findings, postoperative complications, and the cholesteatoma recurrence rate.

Results

The cohort included 11 patients (7 male, 4 female) with a median age of 75 years. The primary indication was extensive cholesteatoma (11 cases), which was often complicated by dural exposure (6 cases) and labyrinthine fistula (6 cases). Postoperative complications occurred in 1 patient (9 %), who developed a fistula at the blind sac closure site. There were no instances of postoperative facial nerve palsy or inner ear complications. MRI surveillance revealed a residual cholesteatoma recurrence rate of 27 % (3 cases).

Conclusion

STP is an option for managing extensive primary cholesteatoma where hearing reconstruction is not feasible, particularly in the elderly population. However, the risk of residual cholesteatoma is significant, as evidenced by a 27 % recurrence rate in this series, and careful surgical indication is essential to avoid potential over-indication. This finding highlights the critical importance of meticulous surgical technique and rigorous postoperative imaging surveillance to ensure long-term disease control.
目的:石油大部切除术(STP)是西方国家治疗顽固性中耳疾病的标准手术,但在日本的报道很少。本报告描述了日本一家三级中心STP的临床经验、患者特征和手术结果。方法:回顾性分析2018年1月至2022年4月在我科接受STP治疗的所有患者的病历。我们分析了患者人口统计学、基础病理、术前发现、术后并发症和胆脂瘤复发率。结果:该队列包括11例患者(男性7例,女性4例),中位年龄75岁。主要指征为广泛胆脂瘤(11例),常并发硬脑膜外露(6例)和迷路瘘(6例)。1例患者(9%)出现术后并发症,在盲囊闭合部位出现瘘。术后无面神经麻痹或内耳并发症发生。MRI监测显示残留胆脂瘤复发率为27%(3例)。结论:STP是治疗广泛原发性胆脂瘤的一种选择,在听力重建不可行的情况下,特别是在老年人中。然而,残留胆脂瘤的风险是显著的,在这个系列中27%的复发率证明了这一点,小心的手术指征是必要的,以避免潜在的过度指征。这一发现强调了细致的手术技术和严格的术后影像学监测对于确保长期疾病控制的重要性。
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引用次数: 0
Intracranial antitumor efficacy of combination treatment with encorafenib plus binimetinib in BRAF V600E-mutated anaplastic thyroid carcinoma 恩可非尼联合比尼美替尼治疗BRAF v600e突变间变性甲状腺癌的颅内抗肿瘤疗效
IF 1.5 4区 医学 Q2 OTORHINOLARYNGOLOGY Pub Date : 2025-12-04 DOI: 10.1016/j.anl.2025.11.007
Ryutaro Onaga , Tomohiro Enokida , Toshifumi Tomioka , Shingo Sakashita , Masanobu Sato , Nobukazu Tanaka , Yuta Hoshi , Takuma Kishida , Ryo Kuboki , Takao Fujisawa , Susumu Okano , Kazuto Matsuura , Makoto Tahara
The intracranial antitumor efficacy of combination therapy with BRAF and MEK inhibitors in BRAF-mutated thyroid cancer has not been reported. Here, we describe a case of anaplastic thyroid cancer harboring BRAF V600E mutation with brain metastases which was treated with encorafenib plus binimetinib. The patient was initially diagnosed with T4bN1bM1 and experienced disease progression following surgery and lenvatinib treatment. Encorafenib plus binimetinib was initiated as second-line treatment seven months after the surgery. After achieving sustained disease stabilization, a solitary asymptomatic brain metastasis was detected following a three-week interruption due to COVID-19 infection. The lesion shrank after only two weeks of resumed encorafenib plus binimetinib, and additional stereotactic radiosurgery was performed without significant adverse events. This case suggests that the combination of BRAF and MEK inhibitors may be a viable treatment option for brain metastasis in BRAF-mutated thyroid cancer, despite general prioritization of local treatments. In addition, encorafenib plus binimetinib treatment may suppress the growth of microscopic metastasis. This possibility is supported by reliable evidence for the use of BRAF plus MEK inhibitor for brain metastasis from BRAF-mutated malignant melanoma. We conclude that encorafenib plus binimetinib treatment for brain metastasis from BRAF-mutated thyroid cancer is a safe and effective treatment choice.
BRAF和MEK抑制剂联合治疗BRAF突变甲状腺癌的颅内抗肿瘤疗效尚未报道。在这里,我们描述了一个携带BRAF V600E突变的间变性甲状腺癌伴脑转移的病例,用恩可非尼加比尼替尼治疗。患者最初被诊断为T4bN1bM1,并在手术和lenvatinib治疗后出现疾病进展。Encorafenib + binimetinib在手术后7个月开始作为二线治疗。在实现持续的疾病稳定后,由于COVID-19感染而中断三周后,发现了一个孤立的无症状脑转移。恢复恩可非尼加比尼美替尼治疗仅两周后,病变缩小,并进行了额外的立体定向放射手术,没有明显的不良事件。该病例提示,BRAF和MEK抑制剂联合治疗BRAF突变甲状腺癌脑转移可能是一种可行的治疗选择,尽管局部治疗通常优先。此外,恩可非尼联合比尼美替尼治疗可能抑制显微转移的生长。BRAF + MEK抑制剂用于BRAF突变的恶性黑色素瘤脑转移的可靠证据支持了这种可能性。我们的结论是,恩可非尼联合比尼美替尼治疗braf突变甲状腺癌脑转移是一种安全有效的治疗选择。
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引用次数: 0
Authors' reply: Comments on "Physical therapy for peripheral facial palsy: A systematic review and meta-analysis". 作者回复:对“周围性面瘫的物理治疗:一个系统回顾和荟萃分析”的评论。
IF 1.5 4区 医学 Q2 OTORHINOLARYNGOLOGY Pub Date : 2025-12-01 DOI: 10.1016/j.anl.2025.11.002
Haruki Nakano, Takashi Fujiwara, Yasushi Tsujimoto, Naohito Morishima, Takashi Kasahara, Misato Ameya, Keita Tachibana, Shota Sanada, Saori Toufukuji, Naohito Hato
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引用次数: 0
The prognostic impact of sarcopenia and systemic inflammation in head and neck cancer patients treated with immune checkpoint inhibitors 接受免疫检查点抑制剂治疗的头颈癌患者肌肉减少症和全身炎症的预后影响
IF 1.5 4区 医学 Q2 OTORHINOLARYNGOLOGY Pub Date : 2025-11-30 DOI: 10.1016/j.anl.2025.11.006
Ken Kasahara , Takeyuki Kono , Yoichiro Sato , Keisuke Okubo , Ayaka Sasaki , Ko Hentona , Yutaro Mokudai , Keigo Oguchi , Motoki Izawa , Seiichi Shinden , Hiroyuki Ozawa

Objective

Sarcopenia and systemic inflammatory markers predict prognosis in various cancers, including head and neck cancer (HNC) treated with surgery or chemoradiotherapy. Their significance in patients receiving immune checkpoint inhibitors (ICIs), however, remains unclear. This study aims to determine whether skeletal muscle loss and systemic inflammation influence treatment response and survival in ICI-treated HNC, and whether composite indices provide prognostic value.

Methods

A retrospective cohort of 179 patients with histologically confirmed recurrent or metastatic (R/M) HNC who received ICI therapy between April 2017 and July 2024 was analyzed. Sarcopenia was assessed using the lumbar skeletal muscle index (LSMI), calculated from cervical CT images. Inflammatory markers such as neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and lymphocyte-to-monocyte ratio (LMR) were derived from pre-treatment blood samples. Overall survival (OS) and progression-free survival (PFS) were evaluated using Kaplan–Meier estimates, and prognostic factors were identified through Cox regression analysis.

Results

Among the 179 patients, 98 (54.7%) were classified as sarcopenic. These patients had significantly shorter median OS compared to non-sarcopenic patients (12.1 vs. 39.8 months; p < 0.001). Univariate analysis identified sarcopenia, BMI, NLR, and PLR as significant predictors of OS. However, multivariate Cox analysis revealed that only sarcopenia remained an independent prognostic factor for both OS (HR 1.94; 95% CI: 1.15–3.27; p = 0.013) and PFS (HR 1.92; 95% CI: 1.33–2.75; p < 0.001). Inflammatory markers and their composite indices failed to retain prognostic significance in adjusted models.

Conclusion

Sarcopenia independently predicts poor survival outcomes in patients with R/M HNC undergoing ICI therapy, whereas conventional inflammatory markers such as NLR, PLR, and LMR, alone or in combination with sarcopenia, lack independent prognostic value. Routine pre-treatment evaluation of skeletal muscle mass using CT imaging may offer a practical and effective tool for patient risk stratification.
目的通过心肌减少和全身炎症标志物预测包括头颈癌(HNC)手术或放化疗治疗后的预后。然而,它们在接受免疫检查点抑制剂(ICIs)治疗的患者中的意义尚不清楚。本研究旨在确定骨骼肌损失和全身炎症是否影响ici治疗的HNC的治疗反应和生存,以及复合指标是否具有预后价值。方法回顾性分析2017年4月至2024年7月期间接受ICI治疗的179例组织学证实的复发或转移性(R/M) HNC患者。通过颈椎CT图像计算腰椎骨骼肌指数(LSMI)评估骨骼肌减少症。炎症标志物如中性粒细胞与淋巴细胞比率(NLR)、血小板与淋巴细胞比率(PLR)和淋巴细胞与单核细胞比率(LMR)均来自预处理前的血液样本。采用Kaplan-Meier估计评估总生存期(OS)和无进展生存期(PFS),并通过Cox回归分析确定预后因素。结果179例患者中,98例(54.7%)为肌少症。与非肌肉减少症患者相比,这些患者的中位生存期显著缩短(12.1个月vs 39.8个月;p < 0.001)。单因素分析发现肌肉减少症、BMI、NLR和PLR是OS的重要预测因子。然而,多变量Cox分析显示,只有肌肉减少症仍然是OS(风险比1.94;95% CI: 1.15-3.27; p = 0.013)和PFS(风险比1.92;95% CI: 1.33-2.75; p < 0.001)的独立预后因素。在调整后的模型中,炎症标志物及其复合指数未能保留预后意义。结论肌少症单独预测接受ICI治疗的R/M HNC患者的不良生存结果,而传统的炎症标志物如NLR、PLR和LMR单独或联合肌少症缺乏独立的预后价值。常规治疗前骨骼肌量CT成像评估可为患者风险分层提供实用有效的工具。
{"title":"The prognostic impact of sarcopenia and systemic inflammation in head and neck cancer patients treated with immune checkpoint inhibitors","authors":"Ken Kasahara ,&nbsp;Takeyuki Kono ,&nbsp;Yoichiro Sato ,&nbsp;Keisuke Okubo ,&nbsp;Ayaka Sasaki ,&nbsp;Ko Hentona ,&nbsp;Yutaro Mokudai ,&nbsp;Keigo Oguchi ,&nbsp;Motoki Izawa ,&nbsp;Seiichi Shinden ,&nbsp;Hiroyuki Ozawa","doi":"10.1016/j.anl.2025.11.006","DOIUrl":"10.1016/j.anl.2025.11.006","url":null,"abstract":"<div><h3>Objective</h3><div>Sarcopenia and systemic inflammatory markers predict prognosis in various cancers, including head and neck cancer (HNC) treated with surgery or chemoradiotherapy. Their significance in patients receiving immune checkpoint inhibitors (ICIs), however, remains unclear. This study aims to determine whether skeletal muscle loss and systemic inflammation influence treatment response and survival in ICI-treated HNC, and whether composite indices provide prognostic value.</div></div><div><h3>Methods</h3><div>A retrospective cohort of 179 patients with histologically confirmed recurrent or metastatic (R/M) HNC who received ICI therapy between April 2017 and July 2024 was analyzed. Sarcopenia was assessed using the lumbar skeletal muscle index (LSMI), calculated from cervical CT images. Inflammatory markers such as neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and lymphocyte-to-monocyte ratio (LMR) were derived from pre-treatment blood samples. Overall survival (OS) and progression-free survival (PFS) were evaluated using Kaplan–Meier estimates, and prognostic factors were identified through Cox regression analysis.</div></div><div><h3>Results</h3><div>Among the 179 patients, 98 (54.7%) were classified as sarcopenic. These patients had significantly shorter median OS compared to non-sarcopenic patients (12.1 vs. 39.8 months; p &lt; 0.001). Univariate analysis identified sarcopenia, BMI, NLR, and PLR as significant predictors of OS. However, multivariate Cox analysis revealed that only sarcopenia remained an independent prognostic factor for both OS (HR 1.94; 95% CI: 1.15–3.27; p = 0.013) and PFS (HR 1.92; 95% CI: 1.33–2.75; p &lt; 0.001). Inflammatory markers and their composite indices failed to retain prognostic significance in adjusted models.</div></div><div><h3>Conclusion</h3><div>Sarcopenia independently predicts poor survival outcomes in patients with R/M HNC undergoing ICI therapy, whereas conventional inflammatory markers such as NLR, PLR, and LMR, alone or in combination with sarcopenia, lack independent prognostic value. Routine pre-treatment evaluation of skeletal muscle mass using CT imaging may offer a practical and effective tool for patient risk stratification.</div></div>","PeriodicalId":55627,"journal":{"name":"Auris Nasus Larynx","volume":"53 1","pages":"Pages 1-6"},"PeriodicalIF":1.5,"publicationDate":"2025-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145625061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Comments on "Physical therapy for peripheral facial palsy: A systematic review and meta-analysis". “周围性面瘫的物理治疗:系统回顾和荟萃分析”评论。
IF 1.5 4区 医学 Q2 OTORHINOLARYNGOLOGY Pub Date : 2025-11-22 DOI: 10.1016/j.anl.2025.11.001
Run-Cheng Wang, Li-Hua Xuan
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引用次数: 0
Trial for developing a reference extract for future standardization of Japanese cypress pollen extracts 为将来日柏花粉提取物的标准化制定标准提取物的试验。
IF 1.5 4区 医学 Q2 OTORHINOLARYNGOLOGY Pub Date : 2025-11-18 DOI: 10.1016/j.anl.2025.10.001
Kengo Kanai , Aiko Oka , Hideaki Kouzaki , Kento Kawakita , Takuya Murao , Takeshi Shimizu , Takaya Higaki , Aya Murai , Mizuo Ando , Kojiro Hirano , Isao Suzaki , Hitome Kobayashi , Minoru Gotoh , Kimihiro Okubo , Mitsuhiro Okano

Objective

Japanese cedar pollinosis (JCP) is the most prevalent seasonal allergic rhinitis in Japan. Many JCP patients are also sensitized to Japanese cypress pollen (JCyP), and their symptoms become exacerbated and prolonged during the JCyP dispersal period after JCP. To date, there have been no reports on the development of JCyP-specific allergen immunotherapy. For the future development of a JCyP-specific skin test and immunotherapy, we sought to develop a reference extract for future standardization of JCyP extract determined by the average threshold dilution eliciting a positive response in the intradermal skin test.

Methods

A 1:20 antigen extract (Lot AA) was prepared from JCyP grains by the glycerin extraction method. The protein and allergen concentrations in the extract were determined. After confirming its safety, 3-fold serially diluted solutions of JCyP extract were prepared from Lot AA. The average threshold dilution eliciting a positive response in the intradermal skin test was determined among Japanese subjects with serum JCyP-specific IgE class of 2 or higher according to ImmunoCAP IgE assays or View39 IgE assays.

Results

The protein concentration in Lot AA was 4.7 mg/mL, and the allergen concentration was 18.8 μg/mL for Cha o 1 and 1.1 μg/mL for Cha o 3. In total, 85 individuals were registered for this study and finally, 55 subjects were left for the analysis. The threshold dilution for an intradermal reaction was 36 in 32 individuals (58.2 %), 37 in 8 individuals (14.6 %), 38 in 4 individuals (7.3 %), and 39 in 1 individual (1.8 %); no reaction was seen in 10 individuals (18.2 %). The average threshold dilution was 36.4, which is equivalent to a 1131-fold dilution. No serious adverse events were observed at any of the tested dilutions.

Conclusion

The results showed that Lot AA of JCyP extract exhibited in vivo allergic potency and was safe. Thus, it may be useful as a future standardized antigen of JCyP or a reference antigen for standardizing other JCyP extracts for the diagnosis and treatment of JCyP pollinosis.
目的:杉木花粉症是日本最常见的季节性变应性鼻炎。许多JCP患者也对日本柏树花粉(JCyP)敏感,在JCP后的JCyP弥散期,其症状加重和延长。迄今为止,还没有关于jcp特异性过敏原免疫疗法发展的报道。对于JCyP特异性皮肤试验和免疫治疗的未来发展,我们试图开发一种参考提取物,用于未来标准化的JCyP提取物,该提取物由皮内皮肤试验中引起阳性反应的平均阈值稀释来确定。方法:采用甘油提取法制备1:20抗原提取物(Lot AA)。测定提取液中蛋白质和过敏原的浓度。在确认其安全性后,从Lot AA中制备3倍连续稀释的JCyP提取物溶液。根据ImmunoCAP IgE检测或View39 IgE检测,在血清jcp特异性IgE等级为2或更高的日本受试者中,确定皮内皮肤试验中引起阳性反应的平均阈值稀释。结果:Lot AA蛋白浓度为4.7 mg/mL, Cha o 1和Cha o 3的过敏原浓度分别为18.8和1.1 μg/mL。共有85人登记参加本研究,最后,55人被留作分析。皮内反应的阈值稀释度为32例36(58.2%),8例37(14.6%),4例38(7.3%),1例39 (1.8%);无反应10例(18.2%)。平均阈值稀释度为36.4,相当于稀释1131倍。在任何测试的稀释度下均未观察到严重的不良事件。结论:JCyP提取物AA批次具有体内过敏效力,安全性好。因此,它可以作为未来JCyP的标准化抗原或其他JCyP提取物的标准化参考抗原,用于JCyP授粉病的诊断和治疗。
{"title":"Trial for developing a reference extract for future standardization of Japanese cypress pollen extracts","authors":"Kengo Kanai ,&nbsp;Aiko Oka ,&nbsp;Hideaki Kouzaki ,&nbsp;Kento Kawakita ,&nbsp;Takuya Murao ,&nbsp;Takeshi Shimizu ,&nbsp;Takaya Higaki ,&nbsp;Aya Murai ,&nbsp;Mizuo Ando ,&nbsp;Kojiro Hirano ,&nbsp;Isao Suzaki ,&nbsp;Hitome Kobayashi ,&nbsp;Minoru Gotoh ,&nbsp;Kimihiro Okubo ,&nbsp;Mitsuhiro Okano","doi":"10.1016/j.anl.2025.10.001","DOIUrl":"10.1016/j.anl.2025.10.001","url":null,"abstract":"<div><h3>Objective</h3><div>Japanese cedar pollinosis (JCP) is the most prevalent seasonal allergic rhinitis in Japan. Many JCP patients are also sensitized to Japanese cypress pollen (JCyP), and their symptoms become exacerbated and prolonged during the JCyP dispersal period after JCP. To date, there have been no reports on the development of JCyP-specific allergen immunotherapy. For the future development of a JCyP-specific skin test and immunotherapy, we sought to develop a reference extract for future standardization of JCyP extract determined by the average threshold dilution eliciting a positive response in the intradermal skin test.</div></div><div><h3>Methods</h3><div>A 1:20 antigen extract (Lot AA) was prepared from JCyP grains by the glycerin extraction method. The protein and allergen concentrations in the extract were determined. After confirming its safety, 3-fold serially diluted solutions of JCyP extract were prepared from Lot AA. The average threshold dilution eliciting a positive response in the intradermal skin test was determined among Japanese subjects with serum JCyP-specific IgE class of 2 or higher according to ImmunoCAP IgE assays or View39 IgE assays.</div></div><div><h3>Results</h3><div>The protein concentration in Lot AA was 4.7 mg/mL, and the allergen concentration was 18.8 μg/mL for Cha o 1 and 1.1 μg/mL for Cha o 3. In total, 85 individuals were registered for this study and finally, 55 subjects were left for the analysis. The threshold dilution for an intradermal reaction was 3<sup>6</sup> in 32 individuals (58.2 %), 3<sup>7</sup> in 8 individuals (14.6 %), 3<sup>8</sup> in 4 individuals (7.3 %), and 3<sup>9</sup> in 1 individual (1.8 %); no reaction was seen in 10 individuals (18.2 %). The average threshold dilution was 3<sup>6.4</sup>, which is equivalent to a 1131-fold dilution. No serious adverse events were observed at any of the tested dilutions.</div></div><div><h3>Conclusion</h3><div>The results showed that Lot AA of JCyP extract exhibited <em>in vivo</em> allergic potency and was safe. Thus, it may be useful as a future standardized antigen of JCyP or a reference antigen for standardizing other JCyP extracts for the diagnosis and treatment of JCyP pollinosis.</div></div>","PeriodicalId":55627,"journal":{"name":"Auris Nasus Larynx","volume":"52 6","pages":"Pages 805-810"},"PeriodicalIF":1.5,"publicationDate":"2025-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145558256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Corrigendum to “Impact of hearing impairment in unilateral hearing loss: A multicenter study of standardized sound localization tests in Japan.” [Auris Nasus Larynx, Volume 52, Issue 6, December 2025, Pages 690-703] “单侧听力损失对听力损害的影响:日本标准化声音定位测试的多中心研究”的勘误表。[耳鼻咽喉,52卷,第6期,2025年12月,690-703页]。
IF 1.5 4区 医学 Q2 OTORHINOLARYNGOLOGY Pub Date : 2025-11-17 DOI: 10.1016/j.anl.2025.10.012
Takashi Ishino , Tadao Yoshida , Satoshi Iwasaki , Naoki Oishi , Yusuke Matsuda , Tetsuya Tono , Kazuma Sugahara , Hiroshi Yamazaki , Sumito Jitsukawa , Hiroshi Nakanishi , Ryosuke Kitoh , Takashi Sato , Kazuki Nishida , Takashi Oda , Rikuto Fujita , Tomohiro Kawasumi , Chie Ishikawa , Manabu Nishida , Nobuyuki Chikuie , Yuichiro Horibe , Sachio Takeno
{"title":"Corrigendum to “Impact of hearing impairment in unilateral hearing loss: A multicenter study of standardized sound localization tests in Japan.” [Auris Nasus Larynx, Volume 52, Issue 6, December 2025, Pages 690-703]","authors":"Takashi Ishino ,&nbsp;Tadao Yoshida ,&nbsp;Satoshi Iwasaki ,&nbsp;Naoki Oishi ,&nbsp;Yusuke Matsuda ,&nbsp;Tetsuya Tono ,&nbsp;Kazuma Sugahara ,&nbsp;Hiroshi Yamazaki ,&nbsp;Sumito Jitsukawa ,&nbsp;Hiroshi Nakanishi ,&nbsp;Ryosuke Kitoh ,&nbsp;Takashi Sato ,&nbsp;Kazuki Nishida ,&nbsp;Takashi Oda ,&nbsp;Rikuto Fujita ,&nbsp;Tomohiro Kawasumi ,&nbsp;Chie Ishikawa ,&nbsp;Manabu Nishida ,&nbsp;Nobuyuki Chikuie ,&nbsp;Yuichiro Horibe ,&nbsp;Sachio Takeno","doi":"10.1016/j.anl.2025.10.012","DOIUrl":"10.1016/j.anl.2025.10.012","url":null,"abstract":"","PeriodicalId":55627,"journal":{"name":"Auris Nasus Larynx","volume":"52 6","pages":"Pages 803-804"},"PeriodicalIF":1.5,"publicationDate":"2025-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145551871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Salvage surgery following boron neutron capture therapy in a case of recurrent hypopharyngeal cancer after radiotherapy: Surgical and pathological insights 下咽癌放疗后复发的硼中子俘获治疗后的抢救手术一例:手术和病理的见解
IF 1.5 4区 医学 Q2 OTORHINOLARYNGOLOGY Pub Date : 2025-11-14 DOI: 10.1016/j.anl.2025.10.013
Akihisa Tanaka , Kohtaro Eguchi , Mitsuhiko Katoh , Tatsuya Ito , Azusa Sakai , Toshihiko Sakai , Chihiro Fushimi , Go Omura , Taisuke Mori , Seiichi Yoshimoto
Radiotherapy (RT) is a cornerstone management strategy for head and neck cancer (HNC); however, local recurrence often requires salvage surgery, which is associated with an elevated risk of complications, particularly in previously irradiated fields. Boron neutron capture therapy (BNCT) has broadened treatment options; however, the safety and feasibility of salvage surgery after BNCT remain unclear owing to the limited case number. Herein, we describe a rare case of hypopharyngeal squamous cell carcinoma initially treated with RT, followed by BNCT for local recurrence, and ultimately with successful salvage surgery. The patient experienced no significant intraoperative or postoperative complications, and has remained recurrence-free for three years while maintaining adequate activities of daily living. Histopathological examination revealed no abnormal fibrosis exceeding that typically observed following standard RT alone throughout the resected specimen. Instead, edematous changes predominated over fibrotic alterations exclusively within the tumor region, presumed to be most affected by BNCT, accompanied by strong expression of L-type amino acid transporter 1, a potential surrogate marker of BNCT indication, suggesting the tumor-specific therapeutic effect of BNCT. This is the first report of salvage surgery for an organ previously treated with RT and BNCT, which provides valuable clinical and histopathological insights into this condition.
放疗(RT)是头颈癌(HNC)的基石治疗策略;然而,局部复发往往需要补救性手术,这与并发症的风险增加有关,特别是在以前照射过的领域。硼中子俘获疗法(BNCT)拓宽了治疗选择;然而,由于病例数量有限,BNCT后抢救手术的安全性和可行性尚不清楚。在此,我们描述一个罕见的下咽鳞状细胞癌病例,最初接受RT治疗,随后进行BNCT治疗局部复发,并最终成功进行挽救手术。患者没有出现明显的术中或术后并发症,并且在维持足够的日常生活活动的情况下,三年没有复发。组织病理学检查显示,在整个切除标本中,没有异常纤维化超过标准RT常规观察到的纤维化。相反,水肿的改变主要是肿瘤区域内的纤维化改变,被认为是受BNCT影响最大的区域,并伴有l型氨基酸转运蛋白1的强表达,这是BNCT适应症的潜在替代标志物,表明BNCT具有肿瘤特异性治疗作用。这是首次报道对先前接受过RT和BNCT治疗的器官进行挽救性手术,为这种情况提供了有价值的临床和组织病理学见解。
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引用次数: 0
Neck stiffness and its correlation with dysphagia after radiotherapy in head and neck cancer 头颈癌放疗后颈部僵硬及其与吞咽困难的关系
IF 1.5 4区 医学 Q2 OTORHINOLARYNGOLOGY Pub Date : 2025-11-14 DOI: 10.1016/j.anl.2025.10.011
Junki Ono , Hideaki Nishi , Sumie Takashima , Shuntaro Soejima , Ryo Toya , Yoshihiko Kumai

Objective

Dysphagia is one of the most significant adverse effects after radiotherapy (RT) for advanced head and neck cancer (HNC). We hypothesized that neck stiffness may impair laryngeal elevation (LE) in HNC patients and contribute to post-RT dysphagia. We evaluated the association between cervical stiffness and swallowing dysfunction after RT for HNC.

Methods

Ultrasound and swallowing function tests were conducted before and 6 months after RT for HNC. Stiffness of the sternocleidomastoid muscle (SM) was measured via shear wave elastography (SWE). To assess swallowing function comprehensively, videofluoroscopic swallowing studies were performed; based on these data, we calculated the Penetration–Aspiration Scale (PAS) score and quantified hyoid bone displacement and LE delay time.

Results

Of 29 patients, 8 showed post-RT dysphagia. Compared to prophylactic irradiation, a significant increase in neck stiffness was observed in the radical irradiation group (p = 0.018). Multivariable logistic regression analysis indicated that greater reductions in laryngeal elevation distance (LED) were significantly associated with post-RT dysphagia (OR: 0.67, 95 % CI: 0.47–1.10, p = 0.035).

Conclusion

SWE demonstrated a significant increase in neck stiffness following radiotherapy. Moreover, a greater reduction in LED was significantly associated with post-RT dysphagia, suggesting that impaired LE function may contribute to its development.
目的:吞咽困难是晚期头颈癌放疗后最严重的不良反应之一。我们假设颈部僵硬可能损害HNC患者的喉抬高(LE),并导致rt后吞咽困难。我们评估了HNC放疗后颈椎僵硬和吞咽功能障碍之间的关系。方法对HNC患者进行放疗前和放疗后6个月的超声检查和吞咽功能检查。通过剪切波弹性成像(SWE)测量胸锁乳突肌(SM)的刚度。为了全面评估吞咽功能,进行了影像透视吞咽研究;根据这些数据,我们计算了穿透-吸气量表(PAS)评分,并量化了舌骨位移和LE延迟时间。结果29例患者中,8例出现术后吞咽困难。与预防性照射相比,根治照射组颈部僵硬度显著增加(p = 0.018)。多变量logistic回归分析显示喉部抬高距离(LED)的减少与术后吞咽困难显著相关(OR: 0.67, 95% CI: 0.47-1.10, p = 0.035)。结论swe显示放疗后颈部僵硬明显增加。此外,更大程度的LED减少与rt后吞咽困难显著相关,这表明LE功能受损可能有助于其发展。
{"title":"Neck stiffness and its correlation with dysphagia after radiotherapy in head and neck cancer","authors":"Junki Ono ,&nbsp;Hideaki Nishi ,&nbsp;Sumie Takashima ,&nbsp;Shuntaro Soejima ,&nbsp;Ryo Toya ,&nbsp;Yoshihiko Kumai","doi":"10.1016/j.anl.2025.10.011","DOIUrl":"10.1016/j.anl.2025.10.011","url":null,"abstract":"<div><h3>Objective</h3><div>Dysphagia is one of the most significant adverse effects after radiotherapy (RT) for advanced head and neck cancer (HNC). We hypothesized that neck stiffness may impair laryngeal elevation (LE) in HNC patients and contribute to post-RT dysphagia. We evaluated the association between cervical stiffness and swallowing dysfunction after RT for HNC.</div></div><div><h3>Methods</h3><div>Ultrasound and swallowing function tests were conducted before and 6 months after RT for HNC. Stiffness of the sternocleidomastoid muscle (SM) was measured via shear wave elastography (SWE). To assess swallowing function comprehensively, videofluoroscopic swallowing studies were performed; based on these data, we calculated the Penetration–Aspiration Scale (PAS) score and quantified hyoid bone displacement and LE delay time.</div></div><div><h3>Results</h3><div>Of 29 patients, 8 showed post-RT dysphagia. Compared to prophylactic irradiation, a significant increase in neck stiffness was observed in the radical irradiation group (<em>p</em> = 0.018). Multivariable logistic regression analysis indicated that greater reductions in laryngeal elevation distance (LED) were significantly associated with post-RT dysphagia (OR: 0.67, 95 % CI: 0.47–1.10, <em>p</em> = 0.035).</div></div><div><h3>Conclusion</h3><div>SWE demonstrated a significant increase in neck stiffness following radiotherapy. Moreover, a greater reduction in LED was significantly associated with post-RT dysphagia, suggesting that impaired LE function may contribute to its development.</div></div>","PeriodicalId":55627,"journal":{"name":"Auris Nasus Larynx","volume":"52 6","pages":"Pages 796-802"},"PeriodicalIF":1.5,"publicationDate":"2025-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145520390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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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Auris Nasus Larynx
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