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Odontoblasts in health and disease with an additional note on its three-Dimensional histological perspective 健康和疾病中的成牙细胞,并附三维组织学角度的附加说明
IF 0.3 Pub Date : 2023-01-01 DOI: 10.4103/jss.jss_101_22
Sandhya Tamgadge, A. Tamgadge, Bhagyashree Agre, Gayatri Pendse, Amisha Nayak
Teeth are considered to be the prime organs for mastication, speech, and esthetics. The basic structure of tooth involves enamel, dentin, and pulp. Each of these is formed by specialized structures during the various phases of tooth development. One of such specialized structures forming dentin of the tooth are odontoblasts. Being present at the periphery of the pulp chamber, they are in close contact with dentin through cytoplasmic extensions which travel into the entire length of dentin through dentinal tubules. In addition to dentin formation, they play a vital role in performing the various functions of the tooth including nerve sensation. They are functionally active throughout the life span of a healthy tooth and are subjective to numerous injuries causing various oral lesions. This review aims to collect the information with an additional note on the role of odontoblasts and their characteristics in a healthy and diseased tooth structure, their significance in endodontics and three-dimensional (3D) histological means.
牙齿被认为是咀嚼、言语和美学的主要器官。牙齿的基本结构包括牙釉质、牙本质和牙髓。每一个都是由牙齿发育的不同阶段的特殊结构形成的。形成牙齿牙本质的这种特殊结构之一是成牙本质细胞。由于存在于牙髓腔的外围,它们通过细胞质延伸与牙本质密切接触,细胞质延伸通过牙本质小管进入整个牙本质长度。除了形成牙本质外,它们在执行牙齿的各种功能(包括神经感觉)方面发挥着至关重要的作用。它们在健康牙齿的整个寿命内都具有功能活性,并且对导致各种口腔损伤的多种损伤具有主观能动性。这篇综述旨在收集信息,并补充说明成牙本质细胞的作用及其在健康和患病牙齿结构中的特征,它们在牙髓病学和三维(3D)组织学方法中的意义。
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引用次数: 0
Takayasu's disease presenting with tubercular empyema: A rare presentation of a rare disease 以结核性脓胸为表现的Takayasu病:一种罕见疾病的罕见表现
IF 0.3 Pub Date : 2023-01-01 DOI: 10.4103/jss.jss_126_22
Neha Phate, S. Acharya, S. Shukla, S. Sushanth Kumar, P. Banode
Takayasu's disease (TD) also known as pulseless disease is an arteriopathy characterized by vasculitis affecting the aorta and its branches. It is also known as aortic arch syndrome, nonspecific aorto-arteritis, and young female arteritis. Pulmonary artery involvement in Takayasu's arteritis is a rare phenomenon. Pulmonary artery vasculitis leads to pulmonary arterial hypertension and rarely manifests as pleural effusion. Patients with pulmonary arteritis and pleural effusion usually present as chest pain, cough, and dyspnea. Percentage of involvement of pulmonary artery in TD is variable. Pleural effusion occurs as sequelae of pulmonary artery involvement. We report the case of a 46-year-old female who presented to us with fever, weight loss, dyspnea, and chest pain. Clinical examination and investigations revealed Takayasu's arteritis and tubercular empyema. This case report is a rare presentation of Takayasu's arteritis with tubercular empyema without pulmonary arteritis.
高须病(Takayasu’s disease, TD)也被称为无脉病,是一种动脉疾病,其特征是血管炎影响主动脉及其分支。它也被称为主动脉弓综合征、非特异性大动脉炎和年轻女性动脉炎。高松动脉炎累及肺动脉是一种罕见的现象。肺动脉血管炎导致肺动脉高压,很少表现为胸腔积液。肺动脉炎和胸腔积液患者通常表现为胸痛、咳嗽和呼吸困难。TD中累及肺动脉的百分比是可变的。胸腔积液是肺动脉受累的后遗症。我们报告的情况下,46岁的女性谁提出给我们发烧,体重减轻,呼吸困难,胸痛。临床检查和调查显示高松动脉炎和结核性脓肿。本病例是一例罕见的高松动脉炎合并结核性脓肿而无肺动脉炎的病例。
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引用次数: 0
Importance of cycle threshold values in detection of severity and outcome in patients with severe acute respiratory syndrome coronavirus 2 周期阈值在检测严重急性呼吸综合征冠状病毒患者病情及转归中的重要性
IF 0.3 Pub Date : 2023-01-01 DOI: 10.4103/jss.jss_170_22
B. Archana, K. Benachinmardi, SuraAnjanappa Lakshminarayana, R. Prakash, S. Sangeetha
Background and Objectives: Severe acute respiratory syndrome coronavirus 2 (SARS CoV-2) is a highly transmissible and pathogenic coronavirus that emerged in late 2019. Cycle threshold (Ct) value of real-time reverse transcription polymerase chain reaction (RT-PCR) assay inversely correlated with viral load and can provide an indirect method of quantifying the number of copies of viral RNA in the sample is not reported clinically. Hence, this study was undertaken to compare the Ct values of patients tested positive for SARS CoV-2 by RT-PCR with severity of illness, duration of hospital stay, and mortality. Materials and Methods: A retrospective study was conducted over a period of 6 months in a tertiary care hospital in Bangalore. All patients tested positive for SARS CoV-2 by RT-PCR and admitted in our hospital were included in the study. Details of the patients on the duration of hospital stay, age, presence of comorbidities, intubation, and mortality were collected. Results: The study comprised of 80 patients, 48 (60%) males and 32 (40%) females. The mean age of the study population was 38.38 years. Majority of patients 41.25% had Ct value between 25 and 30. Patients with lower Ct values were significant associated with increased duration of hospital stay and infected more than one person in family indicating higher probability of transmission of infection. Mortality showed significant association with patients of more than 60 years' age. Interpretation and Conclusions: The study shows possible association between Ct values of SARS-CoV-2 RT-PCR assay with the duration of hospitalization, infectivity, and mortality. Mention of Ct value along with the positive report could potentially be used to guide patient care management, infection control, and occupational health decisions.
背景与目的:严重急性呼吸综合征冠状病毒2型(严重急性呼吸系统综合征冠状病毒冠状病毒2型)是2019年末出现的一种高传染性、高致病性的冠状病毒。实时逆转录聚合酶链式反应(RT-PCR)检测的循环阈值(Ct)值与病毒载量呈负相关,可以提供一种间接定量样本中病毒RNA拷贝数的方法,但临床上尚未报道。因此,本研究旨在将RT-PCR检测出的严重急性呼吸系统综合征冠状病毒2型阳性患者的Ct值与疾病严重程度、住院时间和死亡率进行比较。材料和方法:在班加罗尔的一家三级护理医院进行了为期6个月的回顾性研究。所有通过RT-PCR检测出严重急性呼吸系统综合征冠状病毒2型呈阳性并入住我院的患者均被纳入研究。收集患者的住院时间、年龄、合并症的存在、插管和死亡率的详细信息。结果:研究包括80名患者,48名(60%)男性和32名(40%)女性。研究人群的平均年龄为38.38岁。大多数患者的Ct值在25到30之间,占41.25%。Ct值较低的患者与住院时间增加显著相关,并且感染了一个以上的家庭成员,表明感染传播的可能性较高。死亡率与60岁以上的患者有显著相关性。解释和结论:该研究表明,严重急性呼吸系统综合征冠状病毒2型RT-PCR检测的Ct值与住院时间、传染性和死亡率之间可能存在关联。Ct值的提及以及阳性报告可能用于指导患者护理管理、感染控制和职业健康决策。
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引用次数: 0
Thalamus - The gateway to cerebral cortex 丘脑-通往大脑皮层的通道
IF 0.3 Pub Date : 2023-01-01 DOI: 10.4103/jss.jss_142_21
Radhakrishna Hari, B. Padhy, Mitalee Kar
Introduction: Thalamus is an oval mass of gray matter between the third ventricle and the internal capsule. The medial, spinal, and trigeminal lemnisci are the great ascending sensory projections from the periphery. The lateral and medial geniculate bodies transmit the visual and auditory information to the cortex. The thalamus also contains motor projections from the basal ganglia, on their way to the motor cortex and supplementary motor area. Materials and Methods: Over 2-year period from November 2015 onward, 83 patients with magnetic resonance imaging confirmed nontraumatic thalamic lesions were identified, and followed up. The patient population consisted of adults above 18 years of age. They were investigated as to the cause of the lesion and treated. Results: There were 58 male patients, 25 female patients. Stroke was the major cause while less common diseases causing thalamic lesions were demyelination, tumor, calcification, and gliosis. The lesions were more common on the left side. The extent of thalamic involvement was global (50.6%) most commonly. The next common was posteromedial affection (18.1%) and dorsal thalamus (14.5%). Corresponding motor weakness (57.8%) was the most common symptom, though other symptoms such as sensory loss (30.1%), ataxia (27.7%), memory loss (12%), and gaze paresis (30.1%) were also present. Headache (31.3%) and giddiness (24%) were less common than motor weakness. Speech disturbance was seen in 49.4% of patients. Discussion: Stroke is unilateral disease, while venous thrombosis, demyelination, tumor, metabolic diseases and infection can affect thalami bilaterally. While stroke can explain the sudden onset of sensory and motor disturbances, some features like cognitive dysfunction were difficult to explain. A transient disorientation to time can follow acute anterior thalamic lesions. Some patients had language disturbances suggesting that the language dominance can extend down up to thalamus. Chronic pain can also be due to a gliotic lesion in the thalamus. Upward gaze palsy seen in a third of our patients could be due to global thalamic or due to medial longitudinal fasciculus involvement. Two patients had visual hemineglect. Sleep disturbances could also be observed in thalamic disease. Asterixis and hemifacial spasm were not seen in our patients. Three patients with strokes had brachial onset seizures, and one patient had generalized seizures. Different types of gait disturbances were observed in thalamic disease including ataxia, astasia-abasia, and hemiparetic gait. Conclusion: The most common thalamic lesion was an ischemic stroke, followed by bleed. Global thalamic involvement was more common than other partial lesions, though posteromedial and dorsal lesions are also commonly seen. Sensorimotor dysfunction is the most common clinical presentation and less frequent presentations include aphasia, memory disturbances, behavioral, and cognitive dysfunction. Movement disorders, ataxic gait, sleep distu
引言:丘脑是位于第三脑室和内囊之间的一个椭圆形灰质团。内侧丘系、脊丘系和三叉丘系是从外围向上的巨大感觉投射。外侧和内侧膝状体将视觉和听觉信息传递到皮层。丘脑还包含从基底神经节到运动皮层和辅助运动区的运动投射。材料和方法:从2015年11月开始,在2年多的时间里,83名经磁共振成像证实为非创伤性丘脑病变的患者被识别并随访。患者群体包括18岁以上的成年人。他们对病变的原因进行了调查并进行了治疗。结果:男性58例,女性25例。中风是主要原因,而引起丘脑病变的不太常见的疾病是脱髓鞘、肿瘤、钙化和胶质增生。病变更常见于左侧。丘脑受累的程度是全球性的(50.6%),最常见。其次是后内侧情感(18.1%)和丘脑背侧(14.5%)。相应的运动无力(57.8%)是最常见的症状,但也存在其他症状,如感觉丧失(30.1%)、共济失调(27.7%)、记忆丧失(12%)和凝视轻瘫(301%)。头痛(31.3%)和眩晕(24%)比运动无力更不常见。49.4%的患者出现言语障碍。讨论:中风是单侧疾病,而静脉血栓形成、脱髓鞘、肿瘤、代谢性疾病和感染可影响双侧丘脑。虽然中风可以解释感觉和运动障碍的突然发作,但认知功能障碍等一些特征很难解释。急性丘脑前部病变后可能会出现短暂的定向障碍。一些患者有语言障碍,这表明语言优势可以延伸到丘脑。慢性疼痛也可能是由于丘脑中的胶质细胞病变引起的。在我们的三分之一患者中看到的向上凝视麻痹可能是由于丘脑整体或内侧纵束受累。两名患者出现视觉偏侧忽视。睡眠障碍也可以在丘脑疾病中观察到。我们的患者没有出现Asterixis和半面肌痉挛。三名中风患者出现臂性发作,一名患者出现全身性发作。丘脑疾病中观察到不同类型的步态障碍,包括共济失调、共济失调和偏瘫步态。结论:丘脑最常见的病变是缺血性脑卒中,其次是出血。整体丘脑受累比其他部分病变更常见,尽管后内侧和背侧病变也很常见。感觉运动功能障碍是最常见的临床表现,不太常见的表现包括失语症、记忆障碍、行为和认知功能障碍。运动障碍、共济失调步态、睡眠障碍,以及罕见的癫痫发作都出现在我们的系列中。
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引用次数: 0
Insulin resistance and its detection tools: A narrative review 胰岛素抵抗及其检测工具综述
IF 0.3 Pub Date : 2023-01-01 DOI: 10.4103/jss.jss_122_22
J. Mahajan, S. Acharya, S. Sushanth Kumar
Insulin resistance (IR) is a defining feature of obesity, diabetes, and cardiovascular disease, and it contributes to many of the metabolic syndrome's abnormalities. Although our understanding of IR has vastly increased over time, several parts of its assessment continue to elude researchers and doctors. Although the quantitative assessment of insulin sensitivity is not regularly utilized in biochemical investigations for diagnostic purposes, the growing importance of IR has led to further research into its application. IR must be assessed in a number of clinical situations when insulin sensitivity is reduced. IR is being studied more and more in numerous disease states to help researchers better understand its pathophysiology, etiology, and implications. The gold standard approach for determining insulin sensitivity is the hyperinsulinemic euglycemic glucose clamp, although it is impractical due to its labor- and time-intensive nature. As a result, a variety of surrogate indices have been used to make determining IR easier and more accurate. The goal of this study is to highlight different elements and approaches for present and future insulin sensitivity/resistance measurements. Understanding and exploiting the condition will be aided by a thorough understanding of these signs.
胰岛素抵抗(IR)是肥胖、糖尿病和心血管疾病的一个决定性特征,它导致了许多代谢综合征的异常。尽管随着时间的推移,我们对IR的了解大大增加,但研究人员和医生仍然无法对其进行评估。尽管胰岛素敏感性的定量评估在生化研究中并没有经常用于诊断目的,但IR的重要性越来越大,导致了对其应用的进一步研究。当胰岛素敏感性降低时,必须在许多临床情况下评估IR。IR在许多疾病状态下被越来越多地研究,以帮助研究人员更好地了解其病理生理学、病因和意义。确定胰岛素敏感性的金标准方法是高胰岛素-正常血糖葡萄糖钳夹,尽管由于其劳动和时间密集性,它是不切实际的。因此,已经使用了各种替代指数来使得确定IR更容易和更准确。本研究的目的是强调目前和未来胰岛素敏感性/抵抗测量的不同元素和方法。对这些迹象的彻底理解将有助于理解和利用这种情况。
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引用次数: 0
Cerebellar Liponeurocytoma: Report of a Rare Entity 小脑脂肪神经细胞瘤:一例罕见实体的报告
IF 0.3 Pub Date : 2023-01-01 DOI: 10.4103/jss.jss_130_22
Kritika Singh, Ashvini Kolhe, Naina Goel
Cerebellar liponeurocytoma is a rare clinicopathological entity, included in the 2000 World Health Organization (WHO) classification of tumors of the central nervous system in the category of glioneuronal tumors. These are WHO Grade II, slow-growing tumors in adults with known recurrences. To date, about 70 cases of liponeurocytomas have been reported. This tumor needs to be differentiated from oligodendroglioma as well as medulloblastoma which are more common and aggressive, requiring postoperative chemoradiation. A high index of suspicion is thus advocated for the diagnosis. We present one such case of this rare entity reported in our institute. A 42-year-old female presented with a 4-month history of headache, neck pain, reduced vision, and cerebellar signs. Imaging showed a midline lesion involving the cerebellar vermis and left lobe suggestive of anaplastic ependymoma/hemangioblastoma. The final diagnosis of cerebellar liponeurocytoma was rendered on routine histopathological examination supported by immunohistochemical analysis.
小脑脂质神经细胞瘤是一种罕见的临床病理实体,被列入2000年世界卫生组织(WHO)中枢神经系统肿瘤分类中的胶质神经细胞肿瘤。这些是WHO II级,在已知复发的成人中缓慢生长的肿瘤。到目前为止,已经报道了大约70例脂质神经细胞瘤。这种肿瘤需要与少突胶质细胞瘤和髓母细胞瘤区分开来,髓母细胞瘤更常见,侵袭性更强,需要术后放化疗。因此,高怀疑指数被提倡用于诊断。我们提出一个这样的情况下,这种罕见的实体报告在我们的研究所。一名42岁女性,有4个月的头痛、颈部疼痛、视力下降和小脑症状。影像显示中线病变累及小脑蚓部和左叶,提示间变性室管膜瘤/血管母细胞瘤。小脑脂肪神经细胞瘤的最终诊断是在常规组织病理学检查和免疫组织化学分析的支持下进行的。
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引用次数: 0
Generation C/Kappa: Born into a COVID-19 world C一代/Kappa:出生在COVID-19的世界
IF 0.3 Pub Date : 2023-01-01 DOI: 10.4103/jss.jss_129_21
J. A. Teixeira da Silva
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引用次数: 0
Restoring services targeting sexual and reproductive health during the COVID-19 pandemic 在新冠肺炎大流行期间恢复针对性健康和生殖健康的服务
IF 0.3 Pub Date : 2023-01-01 DOI: 10.4103/jss.jss_162_22
S. Shrivastava, P. Shrivastava
The ongoing coronavirus disease-2019 (COVID-19) pandemic continues to be a public health emergency of global concern. The findings of the studies have reported that owing to the pandemic, the delivery of essential and emergency sexual and reproductive health-care services has been significantly jeopardized. This has resulted in a considerable rise in the number of episodes of gender-based violence, with the situation being grimmer in settings with poor health systems or among people who are being exposed to some form of humanitarian emergencies. This calls for an indispensable need to improve the delivery of sexual and reproductive health-related services to all women, especially those living in low-resource settings. To conclude, the COVID-19 pandemic has accounted for the disruption of almost all types of health-care services and the same thing has been observed with regard to the delivery of sexual and reproductive health-care needs of women. It is the need of the hour to bridge the existing gap and give adequate priority to the special needs of women, which very much determine their quality of life.
持续的2019冠状病毒病(新冠肺炎)大流行仍然是全球关注的突发公共卫生事件。研究结果报告说,由于新冠疫情,提供基本和紧急的性保健和生殖保健服务受到严重危害。这导致基于性别的暴力事件数量大幅增加,在卫生系统较差的环境中或面临某种形式人道主义紧急情况的人群中,情况更加严峻。这就要求必须改善向所有妇女,特别是生活在资源匮乏环境中的妇女提供与性和生殖健康有关的服务。总之,新冠肺炎大流行造成了几乎所有类型的保健服务中断,在满足妇女的性和生殖保健需求方面也观察到了同样的情况。现在需要弥合现有的差距,充分优先考虑妇女的特殊需要,这在很大程度上决定了她们的生活质量。
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引用次数: 0
Multicystic dysplastic disease of kidney in pediatric age group: A series of five cases 儿童年龄组的多发性肾脏发育异常疾病:5例系列病例
IF 0.3 Pub Date : 2023-01-01 DOI: 10.4103/jss.jss_137_22
Sibnath Gayen, A. Chowdhury, Picaso Chowdhury, P. Halder, Damini Dutta, P. Chakraborty
Multicystic dysplastic kidney (MCDK) is a congenital somatic maldevelopment in which the renal cortex is replaced by numerous cysts of varying sizes with insinuating dysplastic parenchyma in between. In 76% of cases, it is unilateral occurring on the left kidney. The condition could be diagnosed by ultrasound during pregnancy or after delivery. According to various studies, it follows a benign course and can be managed conservatively. Here, we present a series of five cases of unilateral MCDK that required surgical management due to either parent's psychosocial constraints or incidental discovery during surgery.
多囊性发育不良肾脏(MCDK)是一种先天性体细胞发育不良,肾皮质被大量大小不等的囊肿所取代,其间隐含着发育不良的实质。76%的病例单侧发生在左肾。这种情况可以在怀孕期间或产后通过超声波进行诊断。根据各种研究,它遵循良性过程,可以保守治疗。在这里,我们介绍了一系列五例单侧MCDK病例,由于父母的心理社会限制或手术中的偶然发现,这些病例需要手术治疗。
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引用次数: 0
The community of men who have sex with men in Ratlam City, Madhya Pradesh: A case study on risk factors for human immunodeficiency virus infection 中央邦拉特拉姆市男性性行为社区:人类免疫缺陷病毒感染风险因素的个案研究
IF 0.3 Pub Date : 2023-01-01 DOI: 10.4103/jss.jss_185_22
C. Sajan, Elizabeth Jacob
Background: Not long ago, the National AIDS Control Organization awakened the matter of men who have sex with men (MSM) and incorporated it as the most important group population. Targeted interventions (TI), as projected in the NACP-III, have made dauntless efforts to launch about, that this group demands an urgent and intensive attention, indicating a significant amount of departure from its previous polices. All above-mentioned reasons prompted us to undertake this study on evaluating the risk of MSM for sexually transmitted infections. Methods: A cross sectional descriptive study was conducted and all the acquired data were entered using epi info version 3.5 software and along with proper statistical procedures. Results: In the current study, 156 participants were involved, of which 90% of respondents were male and the remaining were transgender. Majority of the participants in the present study were involved in MSM activity with both regular and nonregular partners (RP)/casual partners. In the present study, 85.3% of the study participants were involved in MSM activity with a regular partner in the last 6 months, which is similar to nonregular partners reflecting high-risk activity. Conclusion: This study offers compelling evidence that MSM is more vulnerable to HIV due to a variety of variables. According to the current studies, about 37% of MSM were married. This brings up additional issues, such as the fact that women often contract HIV, because they are partners of men who are members of the population groups that are most at risk for HIV infection, such as MSM, rather than due to their own sexual behavior.
背景:不久前,国家艾滋病控制组织唤醒了男男性行为者的问题,并将其纳入最重要的群体。正如NACP-III中预测的那样,有针对性的干预措施(TI)已经做出了无畏的努力,这一群体需要得到紧急和深入的关注,这表明它与以前的政策有很大的不同。所有上述原因促使我们进行这项评估男男性行为者性传播感染风险的研究。方法:进行横断面描述性研究,使用epi-info 3.5版软件和适当的统计程序输入所有获得的数据。结果:在目前的研究中,156名参与者参与其中,其中90%的受访者是男性,其余为变性人。本研究中的大多数参与者与固定和非固定伴侣(RP)/临时伴侣一起参与MSM活动。在本研究中,85.3%的研究参与者在过去6个月内与常规伴侣一起参与MSM活动,这与反映高风险活动的非常规伴侣相似。结论:这项研究提供了令人信服的证据,表明由于各种变量,男男性行为者更容易感染艾滋病毒。根据目前的研究,约37%的男男性行为者已婚。这带来了额外的问题,例如女性经常感染艾滋病毒,因为她们是男性的伴侣,而不是由于她们自己的性行为,男性是最容易感染艾滋病毒的人群,如男男性行为者。
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引用次数: 0
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