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  • 文章类型: Case Reports
    硬皮病是一种以炎症和血管异常为特征的多系统疾病,和过度纤维化。进行性系统性硬化症(PSS)主要随皮肤进展,接头,肺,心,和肾脏受累。在局部硬皮病和PSS中,脑血管的受累很少见。短暂性脑缺血发作和中风是硬皮病的罕见并发症。
    我们介绍了一位60岁的中风患者,患有局限性硬皮病,表现为言语障碍,忘记单词,偶尔会暂时失忆.
    在我们介绍的情况下,在缺血性危险因素方面进行的临床和实验室检查中未发现病理.皮肤表现包括挛缩,皮肤活检结果,与硬皮病相关的抗体阳性。鉴于硬皮病目前的发病机制,病人怀疑中风。
    UNASSIGNED: Scleroderma is a multisystemic disorder characterised by inflammatory and vascular anomalies, and excess fibrosis. Progressive systemic sclerosis (PSS) mainly progresses with skin, joint, lung, heart, and kidney involvement. Involvement of cerebral vessels is rare in both localised scleroderma and PSS. Transient ischemic attack and stroke are rare complications of scleroderma.
    UNASSIGNED: We present a 60-year-old stroke patient with localised scleroderma presenting with impaired speech, forgetting words, and occasional temporary memory loss.
    UNASSIGNED: In the case we present, no pathology was found in the clinical and laboratory tests performed in terms of ischemic risk factors. Skin findings included contracture, skin biopsy results, and antibody positivity related to scleroderma. Given the current pathogenesis of scleroderma, the patient was suspected of having a stroke.
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  • 文章类型: Journal Article
    背景:间变性淋巴瘤激酶(ALK)阳性组织细胞增生症(ALK-H)是组织细胞肿瘤类别中的新兴实体,2008年首次报道为3名婴儿的多系统疾病。ALK-H的临床病理范围已扩展到包括特定器官的局部疾病,但这种亚型的特征并不为人所知。作者报告1例位于中枢神经系统的ALK-H难以治疗,并复习相关文献。
    方法:作者回顾了他们研究所的存档组织细胞肿瘤,发现了一例位于小脑半球的ALK-H患儿病例,以前曾报道过这种病例为组织细胞肉瘤。化疗(约1年),额外的手术,和常规化疗(大约2.5年)导致临床缓解,并继续维持化疗(约1.5年).完成治疗三年后,在大脑半球发现了一个高级别神经胶质瘤,2年后患者死于胶质瘤.
    结论:尽管根据以前的病例,ALK-H的预后通常良好,作者\'病例需要长期常规化疗,提示肿瘤表现出侵袭性特征。ALK抑制剂的早期给药可能是必要的。
    BACKGROUND: Anaplastic lymphoma kinase (ALK)-positive histiocytosis (ALK-H) is an emerging entity in the category of histiocytic neoplasms that was first reported as a multisystemic disease in three infants in 2008. The clinicopathological spectrum of ALK-H has been expanded to include localized disorders in specific organs, but the features of this subtype are not well known. The authors report a case of ALK-H localized in the central nervous system that was difficult to treat and review the relevant literature.
    METHODS: The authors reviewed archival histiocytic tumors at their institute and found a pediatric case of ALK-H localized in a cerebellar hemisphere that had previously been reported as histiocytic sarcoma. Chemotherapy (approximately 1 year), additional surgery, and conventional chemotherapy (approximately 2.5 years) led to clinical remission, and maintenance chemotherapy was continued (approximately 1.5 years). Three years after completing treatment, a high-grade glioma was found in a cerebral hemisphere, and the patient died of the glioma 2 years later.
    CONCLUSIONS: Although the prognosis of ALK-H is generally good according to prior cases, the authors\' case required long-term conventional chemotherapy, suggesting the tumor displayed aggressive characteristics. Early administration of ALK inhibitors may be necessary.
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  • 文章类型: Case Reports
    这里,我们报告了左无名指近端指间关节反复肿胀和疼痛的情况,后来被诊断为一名年轻成年女性的局部腱鞘巨细胞瘤。第一次出现是在四年前的同一解剖部位。演示时的检查显示,左无名指的掌侧有一个坚硬的肤色结节。可以看出,肿胀部分附着在下面的结构上,并且没有触痛。经过仔细的体格检查和手部的X光片成像,两种鉴别诊断为腱鞘膜巨细胞瘤和神经节囊肿。进行了手术切除,组织病理学评估显示与腱鞘膜巨细胞瘤一致的特征,本地化类型。切除边缘明确肿瘤。患者无术中或术后并发症。建议术后物理治疗。术后随访1年无复发。该报告强调了组织病理学评估和明确手术切缘确认在腱鞘膜巨细胞瘤治疗中的重要性。在复发病例中,切缘清晰的手术再切除可提供良好的临床结果.手术切除前,应告知患者病变的生物学性质和高复发风险.还应与患者讨论预防复发的管理方式以及长期随访的必要性。
    Here, we report the case of recurrent swelling and pain in the proximal interphalangeal joint of the left ring finger, which was later diagnosed as a localized tenosynovial giant cell tumor in a young adult female. The first presentation was at the same anatomical site four years prior. Examination at presentation showed a firm skin-colored nodule in the volar aspect of the left ring finger. The swelling was seen to be partly attached to underlying structures and was non-tender. After a careful physical examination and plain radiograph imaging of the hand, the two differential diagnoses considered were tenosynovial giant cell tumor and ganglion cyst. A surgical excision was performed, and histopathologic evaluation showed features consistent with a tenosynovial giant cell tumor, localized type. The resection margins were clear of tumor. The patient had no intraoperative or postoperative complications. Postoperative physiotherapy was recommended. No recurrence was seen after postoperative surgical follow-up for one year. This report highlights the importance of histopathologic evaluation and confirmation of clear surgical margins in the management of tenosynovial giant cell tumors. In recurrent cases, surgical re-excision with clear margins provides good clinical outcomes. Before surgical excision, patients should be informed about the biologic nature of the lesion and the high risk of recurrence. The management modalities to prevent recurrence and the need for long-term follow-up should also be discussed with the patient.
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  • 文章类型: Journal Article
    本研究旨在证明阿奇立叶水醇提取物在局部出血中的止血作用,并评估其局部应用于大鼠肝脏的安全性。
    将A.millefolium的地上部分在甲醇中浸渍两天。十二只雌性Wistar老鼠,重量120-220克,行麻醉和剖腹手术。肝脏暴露在外,做了两个切口来诱导出血。用浸泡在A.millefolium提取物中的海绵处理一个切口,而另一个作为一个控制。这些动物被分成两组:一组,将A.millefolium(150mg/kg)应用于第一个切口,在另一个,到第二个切口。在4、6和8周后收集肝活检。
    将A.millefolium应用于肝脏切口,无论是第一还是第二,显着减少出血时间(分别为36.1%和31.9%,分别)。组织病理学分析显示雌性大鼠在4、6和8周后没有毒性或肝损伤的迹象。
    该研究证实了A.millefolium水醇提取物在局部出血中的止血作用,并确立了其局部使用的安全性。
    UNASSIGNED: This study aims to demonstrate the hemostatic effect of the hydroalcoholic extract of Achillea millefolium L. in localized bleeding and to assess the safety of its topical application on rat liver.
    UNASSIGNED: The aerial parts of A. millefolium were macerated in methanol for two days. Twelve female Wistar rats, weighing 120-220 g, underwent anesthesia and laparotomy. The liver was exposed, and two incisions were made to induce bleeding. One incision was treated with a sponge soaked in A. millefolium extract, while the other served as a control. The animals were divided into two groups: in one, A. millefolium (150 mg/kg) was applied to the first incision, and in the other, to the second incision. Liver biopsies were collected after 4, 6, and 8 weeks.
    UNASSIGNED: Application of A. millefolium to liver incisions, whether first or second, significantly reduced bleeding time (by 36.1% and 31.9%, respectively). Histopathological analysis showed no signs of toxicity or hepatic damage after 4, 6, and 8 weeks in the female rats.
    UNASSIGNED: The study confirms the hemostatic effect of the hydroalcoholic extract of A. millefolium in localized bleeding and establishes its safety for topical use.
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  • 文章类型: Journal Article
    尽管近年来在治疗策略和手术方法方面取得了进展,在接受根治性治疗的食管胃癌(EGC)患者中,改善生存结局仍然是未满足需求的重要领域.最近出现的辅助免疫疗法作为切除的EGC的护理标准证明了免疫疗法在改善无复发生存率方面的影响。新辅助和围手术期免疫疗法代表了另一种有希望的方法,与辅助疗法相比具有潜在的优势。尽管早期新辅助免疫疗法研究取得了有希望的结果,有几个挑战和未来的研究需求。最佳时机,与手术相关的持续时间和剂量数量以及免疫疗法的最佳组合仍不清楚.此外,需要进行严格的相关研究,以确定用于患者选择和治疗反应预测的生物标志物,从而最大限度地发挥新辅助免疫治疗的益处.在这次审查中,我们简要总结了目前可切除EGC的治疗标准,并讨论了在这种情况下使用免疫检查点抑制剂的理由,以及这些新疗法的临床前和早期临床数据.最后,我们将研究免疫治疗在治疗模式中的潜在作用和未来方向,以及未来的挑战和机遇。
    Despite advances in treatment strategies and surgical approaches in recent years, improving survival outcomes in esophagogastric cancer (EGC) patients treated with curative intent remains a significant area of unmet need. The recent emergence of adjuvant immunotherapy as the standard of care for resected EGC demonstrates the impact of immunotherapy in improving recurrence-free survival. Neoadjuvant and perioperative immunotherapies represent another promising approach with potential advantages over adjuvant therapy. Despite the promising results of early neoadjuvant immunotherapy studies, there are several challenges and future research needs. The optimal timing, duration and number of doses in relation to surgery and the optimal combination of immunotherapies are still unclear. In addition, rigorous correlative studies need to be performed to identify biomarkers for patient selection and treatment response prediction to maximize the benefits of neoadjuvant immunotherapy. In this review, we provide a concise summary of the current standard of care for resectable EGC and discuss the rationale for the use of immune checkpoint inhibitors in this setting and the pre-clinical and early clinical data of these novel therapies. Finally, we will examine the potential role and future direction of immunotherapy in the treatment paradigm and the perceived challenges and opportunities that lay ahead.
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  • 文章类型: Randomized Controlled Trial
    目的:前列腺癌(PC)是影响全球男性健康的重要疾病。超过60%的65岁以上的患者和超过80%的患者被诊断为局部PC。目前局部PC的治疗方式选择以及过度治疗是否存在争议。因此,我们希望构建一个列线图来预测局部PC老年患者的癌症特异性生存率(CSS)和总生存率(OS)相关危险因素,同时评估局部PC老年患者手术和放疗的生存率差异.
    方法:从监测中获得65岁以上局限性PC患者的数据,流行病学,和结束结果(SEER)数据库。使用单变量和多变量Cox回归模型来确定CSS和OS的独立危险因素。使用多变量Cox回归模型构建预测CSS和OS的列线图。一致性指数(C指数),受试者工作特性曲线下的面积(AUC),和校准曲线用于检验预测模型的准确性和区分度。使用决策曲线分析(DCA)来测试该模型的潜在临床价值。
    结果:从2010年到2018年,共有90,434名65岁以上的患者被诊断为局部PC。将所有患者随机分配到训练集(n=63,328)和验证集(n=27,106)。单因素和多因素Cox回归模型分析表明,种族,婚姻,T级,外科,放射治疗,前列腺特异性抗原(PSA),Gleason评分(GS)是预测老年局限性PC患者CSS的独立危险因素。年龄,种族,婚姻,手术,放射治疗,PSA,GS和GS是预测老年局限性PC患者OS的独立危险因素。预测的CSS的训练和验证集的c指数分别为0.802(95CI:0.788-0.816)和0.798(95CI:0.776-0.820)。用于预测OS的训练和验证集的c指数为0.712(95%:0.704-0.720)和0.724(95%:0.714-0.734)。这表明列线图具有良好的判别能力。AUC和校准曲线也显示出良好的准确性和可辨别性。
    结论:我们开发了新的列线图来预测患有局部PC的老年患者的CSS和OS。经过内部验证和外部时间验证,具有合理的准确性,可靠性和潜在临床价值,该模型可用于临床辅助决策。
    OBJECTIVE: Prostate cancer (PC) is a significant disease affecting men\'s health worldwide. More than 60% of patients over 65 years old and more than 80% are diagnosed with localized PC. The current choice of treatment modalities for localized PC and whether overtreatment is controversial. Therefore, we wanted to construct a nomogram to predict the risk factors associated with cancer-specific survival (CSS) and overall survival (OS) in elderly patients with localized PC while assessing the survival differences in surgery and radiotherapy for elderly patients with localized PC.
    METHODS: Data of patients with localized PC over 65 years were obtained from the Surveillance, Epidemiology, and End Results (SEER) database. Univariate and multivariate Cox regression models were used to determine independent risk factors for CSS and OS. Nomograms predicting CSS and OS were built using multivariate Cox regression models. The consistency index (C-index), the area under the subject operating characteristic curve (AUC), and the calibration curve were used to test the accuracy and discrimination of the prediction model. Decision curve analysis (DCA) was used to test the potential clinical value of this model.
    RESULTS: A total of 90,434 patients over 65 years and diagnosed with localized PC from 2010 to 2018 were included in the study. All patients were randomly assigned to the training set (n = 63,328) and the validation set (n = 27,106). Univariate and multivariate Cox regression model analysis showed that age, race, marriage, T stage, surgical, radiotherapy, prostate-specific antigen (PSA), and Gleason score (GS) were independent risk factors for predicting CSS in elderly patients with localized PC. Age, race, marriage, surgery, radiotherapy, PSA, and GS were independent risk factors for predicting OS in elderly patients with localized PC. The c-index of the training and validation sets for the predicted CSS is 0.802(95%CI:0.788-0.816) and 0.798(95%CI:0.776-0.820, respectively). The c-index of the training and validation sets for predicting OS is 0.712(95%:0.704-0.720) and 0.724(95%:0.714-0.734). It shows that the nomograms have excellent discriminatory ability. The AUC and the calibration curves also show good accuracy and discriminability.
    CONCLUSIONS: We have developed new nomograms to predict CSS and OS in elderly patients with localized PC. After internal validation and external temporal validation with reasonable accuracy, reliability and potential clinical value, the model can be used for clinically assisted decision-making.
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  • 文章类型: Journal Article
    多参数磁共振成像引导前列腺活检(mpMRIPBx)在机器人辅助腹腔镜前列腺切除术(ns-RALP)治疗前列腺癌(PCa)中可获得更高的保留神经成功率。本研究旨在评估与标准超声引导PBx相比,mpMRIPBx对ns-RALP术后患者勃起功能的影响。
    2016年1月至2021年6月进行的所有RALP均根据(尝试)ns与非nsRALP,然后根据PBx技术进行分类(mpMRIPBx与标准PBx)。我们比较了RALP结果,如病理肿瘤分期,继发性神经切除率(SNR)和阳性手术切缘状态(PSM)。此外,我们使用前瞻性收集的26项前列腺癌综合指数(EPIC-26)问卷,探讨了PBx技术与RALP后12个月评估的患者报告结局之间的相关性.进行卡方检验和logistic回归分析。
    总共849个RALP包括517个(61%)程序(尝试)ns。其中,37.5%通过术前MPMRIPBx诊断。与MPMRIPBx患者相比,术前标准PBx患者的PSM相关性高57%(p=0.030),RALP后12个月勃起功能障碍(ED)的风险高24%(p=0.025)。当尝试ns时,与接受mpMRIPBx的患者相比,接受标准PBx的患者的SNR率显着更高(50.8%与26.7%,p<0.001)之前的RALP。相比之下,升级在标准PBx组中更常见(50%与40%MPMRIPBx,p=0.008)。
    用于PCa诊断的mpMRIPBx与ns-RALP相结合导致SNR病例明显减少,更好的肿瘤学结果和降低术后1年的ED发生率。这包括更少的PSM和更低的术后肿瘤升级率。
    UNASSIGNED: Multiparametric magnetic resonance imaging guided prostate biopsy (mpMRI PBx) leads to a higher rate of successful nerve-sparing in robot-assisted laparoscopic prostatectomy (ns-RALP) for prostate cancer (PCa). This study aimed to evaluate the impact of mpMRI PBx compared to standard ultrasound-guided PBx on functional outcomes focusing on erectile function in patients following ns-RALP.
    UNASSIGNED: All RALPs performed between 01/2016 and 06/2021 were retrospectively stratified according to (attempted) ns vs. non ns RALPs and were then categorized based on the PBx technique (mpMRI PBx vs. standard PBx). We compared RALP outcomes such as pathological tumor stage, rates of secondary nerve resection (SNR) and positive surgical margin status (PSM). Furthermore, we explored the association between PBx-technique and patient-reported outcomes assessed 12 months after RALP using the prospectively collected 26-item Expanded Prostate Cancer Index Composite (EPIC-26) questionnaire. Chi-square tests and logistic regression analysis were conducted.
    UNASSIGNED: A total of 849 RALPs included 517 (61%) procedures with (attempted) ns. Among these, 37.5% were diagnosed via preoperative mpMRI PBx. Patients with a preoperative standard PBx had a 57% higher association of PSM (p = 0.030) compared to patients with mpMRI PBx and a 24% higher risk of erectile dysfunction (ED) 12 months post RALP (p = 0.025). When ns was attempted, we observed a significantly higher rate of SNR in patients who underwent a standard PBx compared to those who received a mpMRI PBx (50.8% vs. 26.7%, p < 0.001) prior RALP. In comparison, upgrading occurred more often in the standard PBx group (50% vs. 40% mpMRI PBx, p = 0.008).
    UNASSIGNED: The combination of mpMRI PBx for PCa diagnosis followed by ns-RALP resulted in significantly fewer cases of SNR, better oncological outcomes and reduced incidence of ED 1 year after surgery. This included fewer PSM and a lower rate of postoperative tumor upgrading.
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  • 文章类型: Case Reports
    色素沉着绒毛结节性滑膜炎是一种罕见的滑膜良性增生。在膝关节,它可以呈现为局部或扩散形式,并且可以模拟许多条件。
    我们提供了一例54岁男性的病例报告,该病例具有这种情况的局部形式。诊断通常不在临床上进行,但通常在磁共振成像和组织病理学的帮助下进行。我们使用了一种通过关节镜切除肿瘤的新技术。
    诊断病情需要高度怀疑,关节镜切除可降低发病率和复发率。
    UNASSIGNED: Pigmented villonodular synovitis is an uncommon benign proliferation of the synovium. In the knee joint, it can present as a localized or a diffuse form and can mimic numerous conditions.
    UNASSIGNED: We present a case report of a 54-year-old male with localized form of this condition. The diagnosis is not often made clinically but usually made with the help of magnetic resonance imaging and histopathology. We used a novel technique for resecting the tumor by arthroscopy.
    UNASSIGNED: A high index of suspicion is required for the diagnosis of the condition and arthroscopic excision results in lower morbidity and lesser recurrence rates.
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  • 文章类型: Journal Article
    牛疱疹病毒-1(BoHV-1)感染导致上呼吸道感染,牛的结膜炎和生殖器疾病。为了控制BoHV-1,重要的是了解病毒蛋白在病毒感染中的作用。BoHV-1具有几种基因产物以帮助病毒在受感染细胞中复制。一种这样的基因是脱氧尿苷三磷酸核苷酸水解酶(dUTPase),也称为UL50。在这项研究中,我们使用生物信息学工具分析了UL50(dUTPase)的氨基酸序列,发现它在疱疹病毒家族中高度保守。然后,它被克隆并在大肠杆菌Rosetta(DE3)中表达,通过异丙基1-b-D-硫代吡喃半乳糖苷(IPTG)诱导,纯化重组UL50蛋白以免疫兔制备多克隆抗血清。结果表明,BoHV-1的UL50基因由978个核苷酸组成,编码323个氨基酸。Western印迹分析显示针对UL50的多克隆血清与34kDa的条带反应。此外,免疫荧光分析表明UL50位于细胞质区域。一起来看,UL50被成功克隆,在BoHV-1感染的细胞中表达和检测,并定位在细胞质中,以帮助BoHV-1在感染的细胞中复制。
    Bovine herpes virus -1 (BoHV-1) infection leads to upper respiratory tract infection, conjunctivitis and genital disorders in cattle. To control BoHV-1, it is important to understand the role of viral proteins in viral infection. BoHV-1 has several gene products to help in viral replication in infected cell. One such gene is deoxyuridine triphosphate nucleotidohydrolase (dUTPase) also known as UL50. In this study, we analyzed the amino acid sequence of UL50 (dUTPase) using bioinformatics tools and found that it was highly conserved among herpesvirus family. Then, it was cloned and expressed in Escherichia coli Rosetta (DE3), induced by isopropy1-b-D-thiogalactopyranoside (IPTG) and the recombinant UL50 protein was purified to immunize rabbits for the preparation of polyclonal antiserum. The results indicated that the UL50 gene of BoHV-1 was composed of 978 nucleotides, which encoded 323 amino acids. Western blot analysis revealed that polyclonal sera against UL50 reacted with a band of 34 kDa. Furthermore, immunofluorescence assay showed that UL50 localized in the cytoplasmic area. Taken together, UL50 was successfully cloned, expressed and detected in BoHV-1-infected cells and was localized in the cytoplasm to help in the replication of BoHV-1 in infected cells.
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  • 文章类型: Case Reports
    背景:表皮样癌主要是唾液腺肿瘤的亚型,很少起源于呼吸道。我们的案例强调了一种不寻常的事情的发生,局部化,支气管粘膜表皮样癌。我们的目标是加强在我国发生这种不同种类的肺癌的证据,因为对这种罕见的肺癌亚类知之甚少。
    方法:我们报告一例22岁女性患者,属于卡拉奇,巴基斯坦,出现呼吸道症状和检查时,被诊断为低年级,肺局部粘液表皮样癌。她成功接受了手术切除,并建议接受辅助放疗评估。
    局部低级别MEC对手术切除反应良好,而高级别MEC与不良预后相关,因此需要辅助放疗以改善生存结果。
    结论:肺癌可以是异常的粘液表皮样起源。这在包括巴基斯坦在内的世界上是罕见的。因此,需要特别注意经过验证的数据,制定此类肿瘤最佳管理指南。
    BACKGROUND: Muco-epidermoid carcinomas are primarily the subtypes of salivary gland tumors that can rarely originate within the respiratory tract. Our case highlights the occurrence of an unusual, localized, endo-bronchial muco-epidermoid cancer. We aim to strengthen the evidence of occurrence of this distinct variety of lung cancer in our country as little is known about this rare subclass of lung cancer.
    METHODS: We report a case of a 22-year-old female patient, belonging to Karachi, Pakistan, who presented with respiratory symptoms and upon work-up, was diagnosed with a low-grade, localized muco-epidermoid carcinoma of the lung. She underwent surgical resection successfully and was advised to get evaluated for adjuvant radiotherapy.
    UNASSIGNED: Localized low-grade MEC respond well to surgical resection in contrast to high-grade MEC which is associated with poor prognosis thus requiring adjuvant radiotherapy to improve survival outcomes.
    CONCLUSIONS: Lung cancers can be unusually of muco-epidermoid origin. It has been uncommonly found in the world including Pakistan. Special attention with validated data is therefore needed, for developing guidelines for the optimal management of such neoplasms.
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