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坏死胰腺组织合并感染可形成胰腺脓肿。由于胰腺脓肿临床少见,临床表现复杂,常不能及时确诊而延误治疗。美国麻省总医院在1974~1984年共收治急性胰腺炎1818例,其中并发胰腺脓肿45例(2.5%),均经手术治疗,其临床经验有参考价值。 相似文献
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目的:依据食管癌肉瘤的临床、病理特点,探讨巨大食管癌肉瘤的外科治疗.方法:回顾性研究14例巨大食管癌肉瘤病人的临床资料.结果:巨大食管癌肉瘤多呈息肉型向腔内生长,一般不向周围组织浸润,淋巴结转移率低,外科手术根治性切除率高,术后生存率高.结论:巨大食管癌肉瘤具有特殊的生物学行为,术前充分评估,根治性切除手术后,预后佳. 相似文献
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笔者在临床工作中遇见1例患膀胱性腹股沟疝继发急性肾衰的犬,患犬极度衰弱,紧急行腹股沟疝整复术,治疗肾衰引起的尿毒症,经悉心治疗取得较满意的效果。 相似文献
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细胞自噬是一种自我消化的过程,它在细胞的生长、分化及维持内稳态等方面都扮演着重要角色,是生命科学近年来最热的研究领域之一.研究表明,细胞自噬与人类肿瘤的发生、发展密切相关,并在肿瘤发生的不同阶段发挥双重作用.本文将从细胞自噬的概况、细胞自噬与肿瘤的发生关系以及细胞自噬在肿瘤治疗方面的应用进行简要介绍 相似文献
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颈性眩晕即由颈部病变导致活动颈部时发生眩晕的临床综合征。目前主流观点认为颈部病变或外伤导致脊椎内外平衡失调,引起椎-基底动脉供血不全以眩晕为主要症状的临床综合征。但有学者认为眩晕的发作为并非椎动脉血流供应不全引起大脑慢性缺血性损害而导致,实际由伴行椎动脉的交感神经刺激引起,也有学者发现由颈椎间盘突出、黄韧带肥厚、颈椎失稳等原因造成的颈椎管狭窄也是引起颈性眩晕的主要因素之一[1-2]。目前,颈性眩晕的发病机制没有完全明确,能引起眩晕的病因较多,因此也容易误诊[3-4],对临床的诊断和治疗提出了一系列难题,文章就颈性眩晕的诊断作一综述。 相似文献
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在多细胞生物体内,细胞会发生编程性死亡(即细胞凋亡),使得细胞数量得到精确调控。细胞凋亡调控的异常与癌症、自身免疫病、神经退行性疾病等疾病密切相关。本文综述了参与细胞凋亡调控的分子机制,及细胞凋亡调控的异常与肿瘤的关系。 相似文献
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Cystic fibrosis is a common autosomal recessive disorder usually found in population of white Caucasian descent. Now it is
well documented the presence of CF disease in India with the advancement of laboratory testing. As once it was thought non
existence of this disease in our population. Most of the phenotype of CF disease was in accordance of western population.
Genetic analysis of CFTR gene in Indian CF patients revealed that most common mutation was delta F508 mutation. However, it
was less than Caucasian population. CFTR mutations are also a causative factor in the pathogenesis of male infertility due
to obstructive azoospermia. There are two most common mutation viz. IVS8-T5 and delta F508 which are responsible for congenital
absence of vas deferens in male infertility patients. Elevated levels of sweat chloride at two occasions along with the presence
of two mutations in CFTR gene was gold standard method for diagnosis of CF disease. It is noteworthy here that due to magnitude
of Indian population, the total CF disease load would be more than many European countries. Clinical data demonstrate the
prevalence of both classical and genetic form of CF in India. 相似文献
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类比方法是亚里士多德提出的逻辑学方法之一,但这一方法的严格性,乃至它是否可以被算作一种逻辑方法,在亚里士多德之后却一直饱受质疑。正因为如此,19世纪英国物理学家汤姆森和麦克斯韦将类比方法引入电磁学研究时曾受到严重的质疑。20世纪中叶,玛丽·海斯等西方哲学家试图将类比方法纳入到现代逻辑学体系中,并以此解释汤姆森和麦克斯韦的工作。但他们的出发点仍然是将类比置于一个基于事物间偶然联系的启发工具的地位上,这既不足以为物理类比方法的正当性提供辩护,也无法解释这种方法在物理学中表现出的广泛的适用性和有效性。本文将从重构汤姆森和麦克斯韦引入类比方法的过程入手,分析他们使用类比论证的依据。本文将论证,物理学中的类比方法是一种严格的科学方法,应明确地区别于一般逻辑学以及大众话语中所说的"类比"。这种方法的严格性来自于它所依据的唯一的类比基础,即不同物理现象的数学形式间的相似性。进而以此为基础浅论麦克斯韦的"数学分类"思想。 相似文献
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臀位是产科最常见的异常胎位之一,围产儿死亡率明显高于头位。目前经适当放宽剖宫产指征,使臀位分娩的死亡率明显降低。 相似文献
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Jasna Leni
ek Krlea Merica Aralica Duka Tjei-Drinkovi Karolina Crnekovi Jelena Culej Gordana Fressl Juro Verica Horvat Dara Metzner Dijana Pamukovi Jaram Alma Pipi Kitter Fran Smai Sanela imi Vojak Livija imi
evi Valentina Veri 《Biochemia medica : ?asopis Hrvatskoga dru?tva medicinskih biokemi?ara / HDMB》2022,32(1)
The sweat test (ST) is a cornerstone in the diagnosis of cystic fibrosis (CF), together with newborn screening and genetic testing. However, the performance of the ST can depend on the operator’s skill, so several international guidelines have been published to standardise the ST, but inconsistencies remain. The joint Working Group for ST Standardisation (WG STS) of the Croatian Society of Medical Biochemistry and Laboratory Medicine, in association with cistic fybrosis health professional and the Cistic Fibrosis Centre for Paediatrics and Adults, have issued National Guidelines for the Performance of the Sweat Test in order to ensure consistency in ST performance and accuracy of reported results. Many of the standards were taken from the 2nd Edition of the UK Guidelines for Performance of the ST for the Diagnosis of CF, while others were taken from independent consensus statements from the WG STS based on local ST equipment and practices. The standards cover every step of the ST, from the indications for testing to reporting of results and their interpretation, including the analytical phase and quality control. In addition, National Guidelines include appendices with practical examples in order to aid implementation of the recommendations in routine practice. 相似文献
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后Pilon骨折就是胫骨下段骨折,是一种非常特殊的踝关节骨折,损伤机制以及治疗原则与传统的Pilon骨折并不相同,但是两种骨折的损伤机制十分相似,因此在诊断过程中也很容易被误诊或者漏诊.准确的诊断技术不仅可以对后Pilon骨折进行准确诊断,同时还可以确定患者病情情况,进而为治疗方案提供有效依据.文章从后Pilon骨折临... 相似文献