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HEAD AND NECK CANCER STEM CELL PROTEOMICS 头颈癌干细胞蛋白质组学
Pub Date : 2019-03-31 DOI: 10.37029/JCAS.V5I1.182
S. Saleem, Sahrish Tariq
It is critical to identify the cell of origin of cancer and the genes/proteins/transcriptional/epigenetic factors of that cell. Here, we review studies on head and neck cancer stem cells (CSC) in the hope of developing better understanding of their role highlighting their importance as novel drug targets. CSC model has introduced a hierarchical conceptual framework for the interpretation of intratumour heterogeneity within tumour. This, in turn, has culminated in a major paradigm shift in terms of how different types of cancers can be targeted for treatment. Several malignancies conform to the CSC model of tumour growth yet identification of CSC markers remains a profound challenge.Key words: Chemo- and radio-resistance, head and neck cancer stem cells, proteomics, treatment modalities
确定癌症的起源细胞和该细胞的基因/蛋白质/转录/表观遗传因子是至关重要的。在这里,我们回顾了头颈癌干细胞(CSC)的研究,希望能更好地了解它们的作用,强调它们作为新型药物靶点的重要性。CSC模型引入了一个层次概念框架来解释肿瘤内的肿瘤异质性。反过来,就如何针对不同类型的癌症进行治疗而言,这最终导致了重大的范式转变。一些恶性肿瘤符合肿瘤生长的CSC模型,但CSC标记物的鉴定仍然是一个深刻的挑战。关键词:化疗和放疗耐药,头颈癌干细胞,蛋白质组学,治疗方式
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引用次数: 0
PERSISTENT LEFT SUPERIOR VENA CAVA: A DECEPTIVE ANOMALY 持续性左上腔静脉:欺骗性异常
Pub Date : 2019-03-31 DOI: 10.37029/JCAS.V5I1.207
J. Aleem, W. Ahmad
Persistent left superior vena cava (SVC) is a rare but vital congenital anomaly of the thoracic venous system. It is the persistence of vessel that normally regresses during early foetal life. It has utmost importance in intervention radiology, cardiothoracic procedures and insertion of the central venous line as well as in trauma. The vessel can drain into the right atrium through the coronary sinus, directly into left atrium or through pulmonary veins. It is usually detected during routine investigations and requires surgical treatment. In our case, SVC persists on both right and left sides with enlarged coronary sinus incidentally detected during follow-up for breast cancer.Key words: Persistent left superior vena cava, superior vena cava, vascular variant
持续性左上腔静脉(SVC)是一种罕见但重要的先天性胸静脉系统异常。在胎儿早期,血管的持久性通常会退化。它在介入放射学,心胸外科手术和中心静脉线的插入以及创伤中具有极其重要的意义。血管可经冠状窦流入右心房,直接流入左心房或经肺静脉。通常在常规检查中发现,需要手术治疗。在我们的病例中,右、左侧的SVC持续存在,在乳腺癌随访期间偶然发现冠状动脉窦增大。关键词:持续性左上腔静脉,上腔静脉,血管变异
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引用次数: 0
THE PREVALENCE OF DYSPLASIA IN COLORECTAL SERRATED/HYPERPLASTIC POLYPS IN OMANI POPULATION 阿曼人群中结直肠锯齿状/增生性息肉发育不良的患病率
Pub Date : 2019-03-31 DOI: 10.37029/JCAS.V5I1.210
A. Qureshi, Nawras Al Hadi, A. Shalaby
Purpose: Serrated/hyperplastic polyps (SPs) are characterised histologically by sawtooth architecture. Historically, these polyps were considered benign, without malignant potential and thus clinically unimportant. At present, the WHO defines serrated/hyperplastic lesions as heterogeneous group, which include hyperplastic polyps (HP), sessile serrated adenoma (SSA)/polyp and traditional serrated adenoma (TSA). These can have malignant potential. The aim of this study was to evaluate the prevalence of dysplastic changes in SP of colon and rectum of Omani population reported at a tertiary care centre.Methods: The study was conducted in the pathology department of a tertiary care centre including endoscopic polypectomies from colon and rectum of Omani patients presenting to gastroenterology clinic reported between 2014 and 2016, and these were analysed retrospectively for dysplastic changes and their association with different clinical parameters.Results: Dysplasia was seen in 32 of 146 cases (21.9%) and 114 (78.1%) were without dysplasia. Of these dysplastic, biopsies’ only two cases (1.4%) showed high-grade dysplasia and rest 30 (20.5%) low-grade dysplasia. According to the type of polyp, dysplasia was found in TSA 8/21 cases (46.7%) and SSA 9/17 cases (53.3%). Association of dysplasia was more common in the age group of > 50 (15.07%) and male patients (62.5%).Conclusion: SPs are now common findings that a gastroenterologist faces in their daily practice. In our study of Omani population, the prevalence of dysplasia is associated with older age group, male gender, SSA/polyp and traditional serrated adenoma.Key words: Dysplasia. colorectal, polyps
目的:锯齿状/增生性息肉(SPs)在组织学上以锯齿状结构为特征。历史上,这些息肉被认为是良性的,没有恶性的可能性,因此临床上不重要。目前WHO将锯齿状/增生性病变定义为异质组,包括增生性息肉(HP)、无根锯齿状腺瘤(SSA)/息肉和传统锯齿状腺瘤(TSA)。这些可能有恶性的潜在危险。本研究的目的是评估阿曼人口在三级保健中心报告的结肠和直肠SP发育不良改变的患病率。方法:该研究在一家三级保健中心的病理学部门进行,包括2014年至2016年在胃肠病学诊所报告的阿曼患者的结肠和直肠内镜息肉切除术,回顾性分析这些发育不良改变及其与不同临床参数的关系。结果:146例患者中32例(21.9%)出现异常增生,114例(78.1%)未见异常增生。在这些发育不良中,活检显示只有2例(1.4%)为高级别发育不良,其余30例(20.5%)为低级别发育不良。根据息肉类型不同,TSA 8/21例(46.7%)和SSA 9/17例(53.3%)存在异常增生。不典型增生多见于> 50岁年龄组(15.07%)和男性患者(62.5%)。结论:SPs现在是常见的发现,胃肠病学家面临在他们的日常实践。在我们对阿曼人口的研究中,不典型增生的患病率与年龄较大、男性、SSA/息肉和传统的锯齿状腺瘤有关。关键词:发育不良;结直肠息肉,
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引用次数: 0
MOST CANCERS ARE CAUSED BY BAD LUCK MUTATIONS: SCIENTIFIC EXPLANATION? 大多数癌症是由运气不好的突变引起的:科学解释?
Pub Date : 2019-03-31 DOI: 10.37029/JCAS.V5I1.229
S. Pervez
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引用次数: 1
ANALGESIC EFFICACY OF COMBINATION OF BILATERAL SUPERFICIAL CERVICAL PLEXUS BLOCK AND STANDARD ANALGESIA WITH STANDARD ANALGESIA ALONE IN PATIENTS UNDERGOING THYROID CANCER SURGERY. A RANDOMISED-CONTROLLED TRIAL 双侧颈浅丛阻滞联合标准镇痛与单独标准镇痛对甲状腺癌手术患者的镇痛效果。一项随机对照试验
Pub Date : 2019-01-01 DOI: 10.37029/JCAS.V5I2.218
H. Najeeb, Ahsan Waqar Khan, A. Siddiqui
Purpose: This study aimed to determine analgesic efficacy of a combination of bilateral superficial cervical plexus block (BLSCPB) and standard analgesia with standard analgesia alone in patients undergoing thyroid cancer surgery under general anaesthesia.Materials and Methods: It was a randomised-controlled trial conducted at the Anaesthesia Department of the Shaukat Khanum Memorial Cancer Hospital, Lahore. A sample size of 60 patients (30 patients in each group) was calculated with 95% confidence interval and power of 80%.Results: The mean pain-free duration for the Group A (BLSCPB group) was 72 min (SD 30.1) compared to 53 min (standard deviation 30.3) for the Group B. This shows a significant reduction in pain-free duration in Group A. Average NRS pain score in the Group A at q 0, 30, 60, 90 and 120 min was (0.83, 1.83, 0.23, 1.76 and 1.49), whereas the average pain score on NRS in the Group B at the same time interval mentioned above for Group A was (2.1, 2.73, 4.53, 2.44 and 1.85)Conclusion: Administration of BLSCPB resulted in superior analgesia after thyroid cancer surgery.Key words: Analgesia, cervical plexus block, post-operative pain, regional anaesthesia, thyroidectomy
目的:本研究旨在探讨双侧颈浅丛阻滞联合标准镇痛与单独标准镇痛对甲状腺癌全麻手术患者的镇痛效果。材料和方法:这是一项在拉合尔Shaukat Khanum纪念癌症医院麻醉科进行的随机对照试验。计算60例患者(每组30例)的样本量,95%置信区间,功率为80%。结果:A组的意思是没有痛苦的持续时间(BLSCPB集团)是72分钟(30.1 SD)相比,53分钟(标准差30.3)组B。这表明显著减少无痛时间A组平均评分A组的疼痛评分问0,30岁,60岁,90和120分钟(0.83,1.83,0.23,1.76和1.49),而B组的平均疼痛评分关系,上面提到的在同一时间间隔为A组(2.1,2.73,4.53,2.44和1.85)结论:甲状腺癌手术后应用BLSCPB可获得较好的镇痛效果。关键词:镇痛,颈丛阻滞,术后疼痛,区域麻醉,甲状腺切除术
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引用次数: 0
PROGNOSTIC POWER OF INFLAMMATORY RESPONSE SCORING SYSTEMS IN PERIAMPULLARY PANCREATIC CANCER: A SYSTEMATIC REVIEW 壶腹周围胰腺癌炎症反应评分系统的预后能力:系统综述
Pub Date : 2019-01-01 DOI: 10.37029/JCAS.V5I2.204
Majid Ali, A. Farrugia, R. Bhogal, Saboor Khan, G. Marangoni, J. Ahmad
Introduction: Assessment of systemic inflammatory response forms the basis of several scoring systems that attempt to prognosticate patients with periampullary pancreatic carcinoma (PPC). We assessed the validity of three of these scoring systems for patients’ prognosis following intervention for PPC: Glasgow prognostic score (GPS) and its modified version (mGPS), platelet-lymphocyte ratio (PLR) and neutrophil-lymphocyte ratio (NLR).Methods: EMBASE and MEDLINE databases were searched for all published studies until September 2018 using comprehensive text word and MeSH terms. Meta-analysis of observational studies in epidemiology guidelines was followed. All identified studies were analysed and relevant studies were included in the review.Results: Three studies which assessed the role of GPS, four studies that evaluated the use of NLR and three that assessed the role of PLR in patients with PPC were identified. None of these studies demonstrated any value in the pre-operative assessment of patients with PPC. The limited number of studies available precluded further statistical analysis.Conclusions: Based on available evidence, GPS, NLR and PLR do not appear to be useful scoring systems to predict prognosis of patients with PPC. Larger studies are warranted before the application of inflammatory scoring systems could be recommended in patients with PPC.Key words: Periampullary cancer, Glasgow prognostic score, modified Glasgow prognostic score, platelet-lymphocyte ratio, neutrophil-lymphocyte ratio
简介:评估全身炎症反应是几个评分系统的基础,这些评分系统试图预测壶腹周围胰腺癌(PPC)患者的预后。我们评估了三种评分系统对PPC干预后患者预后的有效性:格拉斯哥预后评分(GPS)及其改良版(mGPS)、血小板-淋巴细胞比率(PLR)和中性粒细胞-淋巴细胞比率(NLR)。方法:使用综合文本词和MeSH术语检索EMBASE和MEDLINE数据库中截至2018年9月的所有已发表的研究。对流行病学指南中的观察性研究进行meta分析。对所有确定的研究进行分析,并将相关研究纳入综述。结果:3项研究评估了GPS的作用,4项研究评估了NLR的使用,3项研究评估了PLR在PPC患者中的作用。这些研究都没有证明术前评估PPC患者有任何价值。由于现有研究的数量有限,无法进行进一步的统计分析。结论:根据现有证据,GPS、NLR和PLR似乎不是预测PPC患者预后的有用评分系统。在推荐炎症评分系统应用于PPC患者之前,需要进行更大规模的研究。关键词:壶腹周围癌,格拉斯哥预后评分,改良格拉斯哥预后评分,血小板-淋巴细胞比值,中性粒细胞-淋巴细胞比值
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引用次数: 0
ROBOTIC HEPATOBILIARY AND PANCREATIC SURGERY 机器人肝胆胰手术
Pub Date : 2018-12-31 DOI: 10.37029/JCAS.V4I4.213
J. Ahmad, G. Marangoni
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引用次数: 0
CASTLEMAN DISEASE: A GREAT MIMICKER OF METASTASES IN RADIOIODINE REFRACTORY THYROID CANCER Castleman病:放射性碘难治性甲状腺癌转移的巨大模仿者
Pub Date : 2018-12-31 DOI: 10.37029/JCAS.V4I4.209
N. Rashid, Aamna Hassan, N. Akhter, A. Hameed
A 27-year-old male underwent total thyroidectomy for thyroid swelling. Histopathology showed papillary thyroid carcinoma [T3 - 6.0 cm] with extra-thyroidal extension. The patient was treated with 150 mCi radioactive iodine(RAI) as adjuvant ablative therapy. Radioiodine refractory disease was identified 1-year post-RAI therapy with elevated thyroglobulin levels and negative I-131 whole body scan. F-18 FDG positron emission tomography/computedtomography scan showed activity in the right thyroid bed and multilevel right cervical nodes. Right-sided modified neck dissection was done, which showed Castleman disease (hyaline vascular type) in right cervical nodes. The most probable cause of elevated tumour markers was found out to be 0.6 cm right thyroid bed nodule on follow-up ultrasonography. Our patient also had coexistent conditions as; osteopoikilosis and Hepatitis C along with thyroid carcinoma.Key words: Castleman disease, lymph node, radioiodine, thyroid cancer
一名27岁男性因甲状腺肿大接受全甲状腺切除术。组织病理显示:甲状腺乳头状癌[T3 - 6.0 cm]伴甲状腺外扩张。患者接受150mci放射性碘(RAI)作为辅助消融治疗。放射性碘难治性疾病在rai治疗后1年确诊为甲状腺球蛋白水平升高和I-131全身扫描阴性。F-18 FDG正电子发射断层扫描/计算机断层扫描显示右侧甲状腺床和多节位右侧宫颈淋巴结活动。右侧改良颈部清扫,显示右侧颈淋巴结Castleman病(透明血管型)。随访超声检查发现肿瘤标志物升高的最可能原因为0.6 cm右甲状腺床结节。我们的病人也有共存的条件;骨质疏松症、丙型肝炎以及甲状腺癌。关键词:Castleman病,淋巴结,放射性碘,甲状腺癌
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引用次数: 1
EXPRESSION OF ANTI-APOPTOTIC PROTEIN BCL-2 IN CUTANEOUS BASAL CELL CARCINOMA 抗凋亡蛋白bcl-2在皮肤基底细胞癌中的表达
Pub Date : 2018-12-31 DOI: 10.37029/JCAS.V4I4.202
V. Bartoš, M. Kullová
Purpose: Overexpression of antiapoptotic B-cell lymphoma-2 (Bcl-2) protein is one of the major contributors to oncogenesis and high levels have been identified in a variety of tumour types. We investigated an immunohistochemicalexpression of Bcl-2 protein in cutaneous basal cell carcinomas (BCCs) to elucidate whether there are differences in the expression pattern related to tumour growth phenotype.Materials and Methods: The study group consisted of 45 cutaneous BCCs, which were categorised into the nonaggressive (NA-BCCs; 31 cases) and aggressive histologic variants (A-BCCs; 14 cases).Results: There were 3 tumours (6.6%) with negative staining and 42 tumours (93.4%) with positive staining for Bcl-2 protein, 10 of which (23.8%) displayed low and remaining 32 cases (76.2%) exhibited high expression. All three “Bcl-2 negative” BCCs showed aggressive-growth features (infiltrative subtypes). When Bcl-2 values were evaluated as negative/low versus high expression, there was significantly lower Bcl-2 protein expression in the A-BCCs comparedto the NA-BCCs. Even an intensity of immunostaining showed a tendency of being weaker in the A-BCCs. In spite of that, three infiltrative BCCs showed a diffuse strong immunoreactivity.Conclusion: An immunohistochemical positivity of Bcl-2 protein in the neoplastic cells of cutaneous BCC was nearly constant feature, and its decreased staining was associated with an infiltrative growth pattern. It suggests that a lowBcl-2 protein expression in tumor tissue might be considered an unfavorable prognostic indicator.Key words: Basal cell carcinoma, B-cell lymphoma-2 protein, biological behavior
目的:抗凋亡b细胞淋巴瘤-2 (Bcl-2)蛋白的过度表达是肿瘤发生的主要因素之一,并且在多种肿瘤类型中都发现了高水平的表达。我们研究了Bcl-2蛋白在皮肤基底细胞癌(bcc)中的免疫组织化学表达,以阐明与肿瘤生长表型相关的表达模式是否存在差异。材料和方法:研究组由45例皮肤bcc组成,分为非侵袭性(na - bcc;31例)和侵袭性组织学变异(a - bcc;14例)。结果:Bcl-2蛋白阴性3例(6.6%),阳性42例(93.4%),低表达10例(23.8%),高表达32例(76.2%)。所有3例Bcl-2阴性bcc均表现为侵袭性生长特征(浸润亚型)。当Bcl-2值被评估为阴性/低表达与高表达时,与na - bcc相比,a - bcc中Bcl-2蛋白的表达显著降低。即使免疫染色强度在a - bcc中也显示出较弱的趋势。尽管如此,3例浸润性bcc表现出弥漫性强的免疫反应性。结论:皮肤BCC肿瘤细胞中Bcl-2蛋白的免疫组化阳性几乎是恒定的特征,其染色降低与浸润性生长模式有关。提示肿瘤组织中低bcl -2蛋白表达可能被认为是一个不利的预后指标。关键词:基底细胞癌,b细胞淋巴瘤-2蛋白,生物学行为
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引用次数: 2
UNMET SUPPORTIVE CARE NEEDS AMONG BONE SARCOMA PATIENT IN SARAWAK 砂拉越骨肉瘤患者未满足的支持性护理需求
Pub Date : 2018-12-31 DOI: 10.37029/JCAS.V4I4.211
C. W. Lian, Nurul Bahariah Dollah, C. Thon
Purpose: This study aimed to determine the prevalence of unmet supportive care needs among bone sarcoma patients in Kuching, Sarawak and explored the relationship between these needs with various associated factors.  Methods: It was a descriptive cross-sectional study conducted among all bone sarcoma patients recruited from Sarawak General Hospital in Kuching, Sarawak. Data collection was done using an adopted questionnaire via interview assisted survey. Unmet needs were assessed using the 59-item Supportive Care Needs Survey (SCNS-SF59). Data was entered and analyzed using SPSS version 20.    Results: A total of 75 respondents participated in the study. The patients were mainly above 36 years (56%), Sarawak natives (33.3%) and married (54.7%). Majority of patients were not undergoing any active treatment (52%). Nine out of 10 items with highest ‘moderate’ to ‘high’ level unmet needs were from the domain of Health system and information.  Needs from Physical and daily living, and sexuality domains were found to have statistically significant associations with ethnicity, age and marital status.  Conclusion: Patients who were diagnosed with bone sarcoma had substantive unmet supportive care needs in relation with their illness trajectory. It is important that such needs to be acknowledged in order to provide quality healthcare services to them.   Key words : bone sarcoma, unmet needs, Malaysia, SCNS-SF59,supportive care needs
目的:本研究旨在了解砂拉越古晋地区骨肉瘤患者未被满足的支持性护理需求的发生率,并探讨这些需求与各种相关因素之间的关系。方法:在沙捞越古晋沙捞越总医院招募的所有骨肉瘤患者中进行描述性横断面研究。数据收集采用访谈辅助调查问卷的方式进行。未满足的需求采用59项支持性护理需求调查(SCNS-SF59)进行评估。数据输入和分析使用SPSS版本20。结果:共有75名受访者参与了本研究。患者以36岁以上(56%)、砂拉越本地人(33.3%)和已婚(54.7%)为主。大多数患者未接受任何积极治疗(52%)。未满足需求最高的“中等”至“高度”10个项目中有9个来自卫生系统和信息领域。来自身体和日常生活的需求,以及性领域的需求被发现与种族、年龄和婚姻状况有统计学上的显著关联。结论:诊断为骨肉瘤的患者有大量未满足的支持性护理需求,与他们的疾病轨迹有关。必须认识到这种需要,以便向他们提供优质的保健服务。关键词:骨肉瘤,未满足需求,马来西亚,SCNS-SF59,支持护理需求
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引用次数: 0
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Journal of cancer & allied specialties
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