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Mandibular metastasis from a prostate adenocarcinoma: Report a case and review of the literature 前列腺癌下颌骨转移:报告1例并复习文献
Pub Date : 2016-03-01 DOI: 10.5430/JST.V6N1P91
N. Taghavi, F. Mashhadiabbas, Parisa Kardouni, F. Aghdashi
Metastasis to maxillofacial region is extremely rare and constitutes less than 1% of all oral malignancies. The mandible is thepreferred site. Here, we describe the case of an 82-year-old male with mandibular metastasis from prostate carcinoma and reviewof 10 reported cases in the English literature up to 2016.
转移到颌面是极为罕见的,占所有口腔恶性肿瘤的不到1%。下颌骨是首选部位。在这里,我们描述了一名82岁男性前列腺癌下颌转移的病例,并回顾了截至2016年的10例英文文献报道。
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引用次数: 0
Erdheim chester disease presenting as bone pain with a lytic lesion: Case history and review of the literature 骨病表现为骨痛伴溶解性病变:病例史及文献回顾
Pub Date : 2016-02-18 DOI: 10.5430/JST.V6N1P87
Alexander H. Jinnah, Shadi A. Qasem, Cynthia L. Emory
Erdheim Chester Disease (ECD) is characterized by organ infiltration by CD68 positive and CD1a negative non-LangerhansHistiocytes. The presentation of ECD can vary from bone pain due to bone infiltration to multi-systemic forms involving thecardiovascular system. The prognosis of ECD is poor; however, with increased understanding of the pathogenesis, this has led tothe evolution of new therapeutic strategies. Because of the increased need for understanding this disease we present a case of a man, who presented to us with bone painand radiographs showing a lytic lesion in his left femur. Upon further investigation with magnetic resonance (MR) imaging andtechnetium 99 m bone scan we chose to undergo an open biopsy, which led to the definitive diagnosis. We outline the currenttreatment regimen and its evolution as our understanding of the pathogenesis of ECD has increased.
Erdheim Chester病(ECD)的特点是CD68阳性和CD1a阴性的非朗格汉组织学细胞浸润器官。ECD的表现可以从骨浸润引起的骨痛到涉及心血管系统的多系统形式不等。ECD预后较差;然而,随着对发病机制了解的增加,这导致了新的治疗策略的发展。由于越来越需要了解这种疾病,我们提出了一个男性病例,他向我们提出了骨痛和x线片显示他的左股骨溶解性病变。在磁共振(MR)成像和锝99m骨扫描的进一步调查后,我们选择进行开放活检,这导致了明确的诊断。我们概述了当前的治疗方案及其演变,因为我们对ECD发病机制的了解有所增加。
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引用次数: 0
Tumor burden and cisplatin treatment alters the expression levels of microRNA-146a and -155 in spleen and cancer cells in an experimental mouse model of Ehrlich ascite carcinoma 在实验小鼠埃利希腹水癌模型中,肿瘤负荷和顺铂治疗改变了脾脏和癌细胞中microRNA-146a和-155的表达水平
Pub Date : 2016-02-03 DOI: 10.5430/JST.V6N1P78
M. Salem, S. Kholy, Afaf Al-Atrash, Duaa Samy
Background: MicroRNAs (miRNAs) are small noncoding RNAs that typically inhibit translation and stability of messengerRNAs (mRNAs) and as such control expression of genes involved in different cellular processes. Several miRNAs have beenlinked to cancer and immune cells but whether there is a correlation between their expressions in both cells is still indistinct. Aim: In this study, we aimed to analyze miRNAs in tumor and immune cells in tumor bearing mice treated with or withoutchemotherapy. Methods: CD1 mice were inoculated with intraperitoneal (i.p.) injection of 106 viable cells from Ehrlich ascetic carcinoma (EAC)cell line to form ascities. Mice were then i.p. treated with PBS ascontrol or with cispaltin (10 or 40 μg/mouse). Semiquantificationof miRNAs 146a and 155 in spleen and tumor cells was done after 1 or 2 weeks of treatments using RT-PCR. Results: The transcription level of miRNA-146a decreased in EAC and spleen cells, while miRNA-155 expression level increased.In EAC-bearing mice treated with CIS for 1 week, miRNA-155 expression level considerably increased in spleen and tumor cellsas compared to tumor-non-bearing and untreated tumor-bearing mice. In contrast, the miRNA-146a transcription level decreasedin both spleen and tumor cells as compared to its expression level in naive and untreated EAC- bearing mice. Two weeks postCIS treatment of EAC-bearing mice, spleen cells still show low expression levels of miRNA-146a, while theexpression levels ofmiRNA-155 increased in both spleen and tumor cells. Taken together, these results suggest that miRNA expression is significantlyaltered by tumor progression and by chemotherapy.
背景:MicroRNAs (miRNAs)是一种小的非编码rna,通常会抑制信使rna (mrna)的翻译和稳定性,从而控制参与不同细胞过程的基因的表达。一些mirna与癌症和免疫细胞有关,但它们在这两种细胞中的表达是否存在相关性尚不清楚。目的:在本研究中,我们旨在分析荷瘤小鼠接受或不接受化疗时肿瘤和免疫细胞中的miRNAs。方法:腹腔注射106个埃利希禁欲癌(Ehrlich ascetic carcinoma, EAC)细胞系的活细胞,使CD1小鼠形成腹水。然后用PBS作为对照或顺帕汀(10或40 μg/只)灌胃。在治疗1周或2周后用RT-PCR对脾脏和肿瘤细胞中的miRNAs 146a和155进行半定量分析。结果:在EAC和脾细胞中,miRNA-146a转录水平降低,miRNA-155表达水平升高。与未荷瘤小鼠和未荷瘤小鼠相比,CIS治疗1周的荷瘤小鼠脾脏和肿瘤细胞中miRNA-155的表达水平显著升高。相比之下,脾脏和肿瘤细胞中miRNA-146a的转录水平与未处理的EAC小鼠相比均有所下降。cis治疗eac小鼠2周后,脾脏细胞miRNA-146a的表达水平仍然较低,而mirna -155的表达水平在脾脏和肿瘤细胞中均升高。综上所述,这些结果表明miRNA的表达随肿瘤进展和化疗而显著改变。
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引用次数: 3
Emerging therapies for pancreatic ductal carcinoma 胰腺导管癌的新疗法
Pub Date : 2016-01-25 DOI: 10.5430/JST.V6N1P65
R. Falcone, P. Davis, S. Stain, S. Mousa
Pancreatic ductal adenocarcinoma (PDAC) is a solid tumor mass that grows and metastasizes rapidly. There are no definitivemethods for early detection and most patients are diagnosed at a late stage. Those diagnosed at an early stage are eligible for tumorresection. However, many of these patients are soon burdened with tumor recurrence. The tumor grows back aggressively andwith resistance to the original chemotherapy. Gemcitabine has been the treatment of choice, but provides only minimal survivalprolongation. Researchers are trying to improve the current standard of care by finding different methods to improve treatmentefficacy and reduce side effects. This review emphasizes recent data on targeting the tumor using antifibrotic, nanotargeted, anddendritic cell therapies. Antifibrotic therapy aims to reduce tumor fibrosis, which prevents adequate chemotherapy penetration.Nanotargeted therapy offers precise targeting of cancer cells and chemotherapy delivery. Dendritic cell vaccines stimulate thebody’s immune system to target PDAC cells. These three treatment methods or a combination of them might improve the lifespanand quality of life for PDAC patients.
胰腺导管腺癌(PDAC)是一种生长和转移迅速的实体肿瘤。没有明确的早期检测方法,大多数患者在晚期才被诊断出来。早期确诊的患者可以接受肿瘤切除术。然而,这些患者中的许多人很快就承受着肿瘤复发的负担。肿瘤会迅速复发,并对最初的化疗产生耐药性。吉西他滨一直是治疗的选择,但只能提供最低限度的生存延长。研究人员正试图通过寻找不同的方法来改善目前的治疗标准,以提高治疗效果并减少副作用。本文综述了近年来针对肿瘤的抗纤维化、纳米靶向和树突状细胞治疗的最新数据。抗纤维化治疗的目的是减少肿瘤纤维化,这阻碍了化疗的充分渗透。纳米靶向治疗提供了精确的癌细胞靶向和化疗递送。树突状细胞疫苗刺激人体免疫系统以PDAC细胞为目标。这三种治疗方法或它们的组合可能会改善PDAC患者的寿命和生活质量。
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引用次数: 1
Primitive pleural leiomyosarcoma: Case report 原发胸膜平滑肌肉瘤1例
Pub Date : 2016-01-19 DOI: 10.5430/JST.V6N1P62
L. Belliraj, S. Rabiou, I. I. Alzouma, J. Ghalimi, F. Ammor, M. Lakranbi, Y. Ouadnouni, M. Smahi
Leiomyosarcoma is a malignant tumor of smooth muscle, primitive pleural localization is extremely rare, to our knowledge onlyten cases have been reported in the literature. The prognosis is usually grim, the survival of patients with extensive disease isabout 12 months. Our patient has survived 42 months which is rarely reported in the literature.
平滑肌肉瘤是一种发生于平滑肌的恶性肿瘤,原发胸膜定位极为罕见,据我们所知文献中仅报道过10例。预后通常是严峻的,广泛疾病患者的生存期约为12个月。我们的病人存活了42个月,这在文献中很少报道。
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引用次数: 0
Obsessive compulsive disorder in a patient with tuberous sclerosis and subependymal giant cell astrocytoma 结节性硬化症合并室管膜下巨细胞星形细胞瘤患者的强迫症
Pub Date : 2016-01-06 DOI: 10.5430/JST.V6N1P59
G. Haddad, F. Romero, H. Miot
Tuberous sclerosis complex (TSC) is a multi-system disorder with autosomal dominant inheritance, which can affect the brain,heart, skin, kidneys, lungs, and retina. We present an obsessive-compulsive disorder patient, with classic dermatological findingsand subependymal giant cell astrocytoma in TSC.
结节性硬化症(TSC)是一种常染色体显性遗传的多系统疾病,可影响大脑、心脏、皮肤、肾脏、肺和视网膜。我们报告一个强迫症患者,伴有典型的皮肤病学发现和TSC的室管膜下巨细胞星形细胞瘤。
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引用次数: 1
Contemporary radiation therapy techniques in malignant pleural mesothelioma: A case report 恶性胸膜间皮瘤的现代放射治疗技术1例报告
Pub Date : 2015-12-23 DOI: 10.5430/JST.V6N1P54
J. Halpern, S. McVorran, M. Loksen
Malignant pleural mesothelioma (MPM) is a rare but very aggressive neoplasm. Prognosis is poor and the disease is fatalwithin 4-8 months without treatment. Even with a trimodality treatment approach, which has been shown to produce significantmorbidity, median survival does not exceed 11 months. There is a need therefore for exploring new treatment options that canimprove both qualitative and quantitative outcomes. This case report describes locally advanced malignant pleural mesothelioma treated with a unique, customized irradiationtechnique involving a combination of 3D conformal therapy and intensity modulated radiotherapy (IMRT). This allowed fortreatment of the pleura to a high dose, while sparing the lung parenchyma. In this patient, our approach resulted in a prolongedremission. It is our hope that this stimulates new interest in the use of modern day radiation techniques in the treatment of MPM.
恶性胸膜间皮瘤(MPM)是一种罕见但极具侵袭性的肿瘤。预后差,不治疗4-8个月可致死。即使采用三段式治疗方法(已被证明会产生显著的发病率),中位生存期也不会超过11个月。因此,有必要探索新的治疗方案,以改善定性和定量结果。本病例报告描述了局部晚期恶性胸膜间皮瘤的治疗,采用独特的定制照射技术,包括三维适形治疗和强度调节放疗(IMRT)的结合。这使得胸膜以高剂量治疗,同时保留肺实质。在这个病人中,我们的方法延长了缓解期。我们希望这能激发人们对使用现代放射技术治疗MPM的新兴趣。
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引用次数: 0
On the properties of the intensity-curvature measurement approaches: the classic-curvature and the intensity-curvature functional 强度-曲率测量方法的性质:经典曲率和强度-曲率泛函
Pub Date : 2015-12-20 DOI: 10.5430/JST.V6N1P38
Carlo Ciulla, D. Veljanovski, U. Shikoska, Filip A. Risteski
Objective: This paper expands on the basis of previous research confirming through empirical evidence both meaning and natureof the classic-curvature and the intensity-curvature functional images. Methods: Eleven subjects affected by human brain tumors were scanned using Magnetic Resonance Imaging (MRI). TwodimensionalMRI images were selected to study the subjects using the intensity-curvature measurement approaches called:classic-curvature and intensity-curvature functional. The bivariate cubic polynomial and the bivariate linear function were fittedto the MRI images in order to compute the classic-curvature and the intensity-curvature functional respectively. Results: This work shows one novelty related to the use of the two intensity-curvature measurement approaches when furtheringthe study of tumors detected with MRI. The novelty is the highlight of the accumulation of the contrast agent through the visuallyperceptible third dimension perpendicular to the imaging plane. Conclusions: The meaning and the nature of the aforementioned intensity-curvature measurement approaches is the capability tofilter the MRI.
目的:在前人研究的基础上,对经典曲率和强度曲率函数图像的意义和性质进行实证论证。方法:对11例脑肿瘤患者进行磁共振成像(MRI)扫描。选择二维mri图像,采用经典曲率和强度曲率泛函测量方法对受试者进行研究。将二元三次多项式和二元线性函数拟合到MRI图像中,分别计算经典曲率和强度曲率泛函。结果:这项工作显示了在进一步研究MRI检测到的肿瘤时,使用两种强度-曲率测量方法的一个新颖之处。其新颖之处在于造影剂通过垂直于成像平面的视觉可感知的第三维积累。结论:上述强度曲率测量方法的意义和本质是过滤MRI的能力。
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引用次数: 3
Should we use the hyperthermic intraperitoneal chemotherapy in the management of ovarian cancer? A literature review 我们是否应该在卵巢癌的治疗中使用腹腔热化疗?文献综述
Pub Date : 2015-12-02 DOI: 10.5430/JST.V6N1P21
N. Bacalbaşa, O. Ionescu, I. Bălescu
Rationale: Epithelial ovarian cancer (EOC) is a relatively chemosensitive malignancy which begins, and most frequentlydisseminates by intraperitoneal seeding. Intraperitoneal chemotherapy (IP) is a route of drug delivery that allows the directinfusion of the chemotherapeutic agents into the peritoneal cavity. It has been proven to be efficient and with lower systemic sideeffects in comparison to the intravenous (IV) route. The combination between hyperthermia and intraperitoneal chemotherapy(Hyperthermic intraperitoneal chemotherapy) has a synergistic killing effect on the malignant cells and appears to be feasible inthe treatment of EOC. Objective: To review the current literature and discuss the use of HIPEC in the course of the EOC treatment: as first line medicaltreatment, at the time of cytoreductive surgery (CS), postoperative adjuvant IP chemotherapy and HIPEC, and for recurrentdisease focusing on the survival benefit, mortality rates, morbidity, adverse effects and limitations. Method: Medline, Pubmed, and the Cochrane Central Register of Controlled Trials (CENTRAL ) were investigated for Englishlanguage articles about the role of HIPEC in women with primary EOC, of any FIGO stage. The analysis was restricted toretrospective studies, randomized and nonrandomized controlled clinical trials, and gynecological oncology journals. The selectedinformation included data on feasibility, overall survival (OS), quality of life, and comparison with standard IV chemotherapy interms of complications, toxicity and anticancer effects. Conclusion: Hyperthermia of the IP chemotherapy solution increases the cytotoxicity of the drug in the peritoneal cavity andits systemic effects on the tumor peritoneal nodules. Although initial investigators presented encouraging survival outcomeswhen HIPEC was used in recurrent EOC, further studies are necessary in order to incorporate HIPEC as a front-line treatmentof EOC or as an adjuvant therapy. More research is required for defining the possible roles of HIPEC within the spectrum ofother treatments for EOC including repeated normothermic IP chemotherapy, early postoperative IP chemotherapy, and novel andbiological agents.
理由:上皮性卵巢癌(EOC)是一种相对化学敏感的恶性肿瘤,其开始并最常通过腹腔内播种传播。腹腔化疗(IP)是一种允许化疗药物直接输注到腹腔的药物输送途径。与静脉(IV)途径相比,它已被证明是有效的,并且具有较低的全身副作用。热疗联合腹腔化疗(Hyperthermic intral chemotherapy)对恶性肿瘤细胞具有协同杀伤作用,在EOC的治疗中是可行的。目的:回顾现有文献并讨论HIPEC在EOC治疗过程中的应用:作为一线药物治疗,在细胞减少手术(CS)时,术后辅助IP化疗和HIPEC,以及复发疾病的生存获益,死亡率,发病率,不良反应和局限性。方法:对Medline、Pubmed和Cochrane中央对照试验注册库(Central)中关于HIPEC在任何FIGO阶段原发性EOC妇女中的作用的英文文章进行调查。该分析仅限于回顾性研究、随机和非随机对照临床试验以及妇科肿瘤学期刊。选择的信息包括可行性、总生存期(OS)、生活质量,以及与标准静脉化疗的并发症、毒性和抗癌效果的比较。结论:IP化疗液的热疗增加了腹腔内药物的细胞毒性及其对肿瘤腹膜结节的全身作用。虽然最初的研究表明,HIPEC用于复发性EOC的生存结果令人鼓舞,但为了将HIPEC作为EOC的一线治疗或辅助治疗,还需要进一步的研究。需要更多的研究来确定HIPEC在其他EOC治疗中的可能作用,包括重复常温IP化疗、术后早期IP化疗和新型生物药物。
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引用次数: 0
A rare case of extraskeletal pulmonary myxoid chondrosarcoma 骨外肺粘液样软骨肉瘤1例
Pub Date : 2015-11-23 DOI: 10.5430/JST.V6N1P18
K. Endicott, S. Barak, K. Mortman
Primary malignant cartilaginous tumors of the lung are rare with limited reports in the literature. Here we describe the case of a69-year-old male who presented with a lobulated left upper lobe mass. Preoperative percutaneous biopsy was consistent with amucinous adenocarcinoma. Final pathology demonstrated a primary extraskeletal pulmonary myxoid chrondrosarcoma. Theclinical presentation and histologic characteristics are described.
原发性肺恶性软骨瘤是罕见的,文献报道有限。在这里我们描述的情况下,一个69岁的男性谁提出分叶左上叶肿块。术前经皮活检符合粘液腺癌。最终病理显示为原发性骨外肺黏液样慢性肉瘤。描述了临床表现和组织学特征。
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引用次数: 2
期刊
Journal of Solid Tumors
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