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目的:探讨螺旋CT在结肠癌诊断和分期中的价值。材料与方法:对30例经手术证实的结肠癌患者,回顾性分析其cT表现,并与术后病理对照,分析螺旋cT诊断与分期的准确性。结果:cT显示肠壁增厚27例,肠腔内肿块11例,肠腔狭窄和形态不规则22例,浆膜面模糊25例,淋巴结肿大14例,cT对中晚期结肠癌分期准确性较高。结论:螺旋cT检查对中晚期结肠癌诊断和分期具有一定价值。 相似文献
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目的:探讨螺旋CT在结肠癌的表现及临床价值。材料与方法:回顾性分析30例经手术病理证实的结肠癌的CT表现及手术病理资料。结果:发生部位:升结肠癌10例,降结肠癌6例,乙状结肠癌14例;组织类型:腺癌26例,黏液腺癌3例,乳头状腺癌1例。CT表现为病变肠管增厚,腔内肿块,肠腔狭窄及其浆膜面毛糙,病变侵犯邻近器官,淋巴结肿大及远处转移。结论:螺旋CT检查对结肠癌诊断和分期具有一定的价值。 相似文献
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目的:临床上采用螺旋CT动态增强扫描诊断结肠癌,分析其诊断价值。方法:收集我院2017年3月到2018年6月期间收治的结肠癌患者85例,所有患者均行螺旋CT动态增强扫描,并对影像资料进行处理检查及分析,将其与术后病理结果作对比。结果:85例患者中共有40例患者为肿块型结肠癌, 24例为浸润型结肠癌,42例淋巴结节转移,术前病灶诊断准确性达到了100%,术前分期、术后分期二者符合率达到90.0%。结论:采用螺旋CT动态增强扫描诊断结肠癌,并对影像资料进行处理,在临床上具有非常重要的意义,可以在临床诊断中推广应用。 相似文献
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目的:探讨多排螺旋CT联合泛影葡胺灌肠在结肠癌术前分期的临床价值。材料与方法:收集53例经病理证实为结肠癌的多排螺旋CT图像数据,应用改良Dukes法行CT分期,依据病理分析多排螺旋CT在结肠癌分期的准确性。结果:53例中多排螺旋CT分期:A期5例,B期11例,C期29例,D期8例,其中误诊8例,分期符合率为84.91%;两者之间无统计学差异(χ2=0.906,P=0.824)。结论:多排螺旋CT联合泛影葡胺灌肠能较精确地对结肠癌进行术前分期,能指导临床制定最佳诊疗计划,值得推广。 相似文献
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[目的]探讨2%泛影葡胺灌肠在结肠癌CT诊断中的应用价值.[方法]86例结肠癌患者采用2%泛影葡胺灌肠后行CT扫描,分析CT诊断与手术病理结果的符合率及CT影像学特征.[结果]CT诊断与手术病理结果的符合率为100%,CT分期与手术病理分期的符合率为90.7%(78/86);影像学特征:同心圆型或偏心型(38例),肿块型(48例),系膜侧淋巴结肿大36例(41.9%),远处转移8例(9.3%),局部侵犯邻近器官、组织16例(18.6%),腹水6例(7%).[结论]2%泛影葡胺灌肠后螺旋CT扫描对结肠癌的诊断和分期有重要价值. 相似文献
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目的探讨结肠癌的螺旋CT表现及临床病理特点。方法回顾性分析53例经手术病理证实的结肠癌患者的螺旋CT表现,并与术后病理特点对照,分析螺旋CT诊断与Dukes分期的准确性。结果①53例CT显示肠壁增厚、43例表现为肿块或结节,浆膜面模糊49例,39例病理证实为浆膜面受侵;②24例分化较好的肿瘤呈轻.中度均匀强化,29例分化差的肿瘤呈不均匀强化或分层状强;③CT发现淋巴结转移16例,主要CT表现为不均匀强化或中心低密度周围高密度,边缘不清晰,低密度区CT值小于60Hu。CT漏诊4例;④对照术后病理Dukes分期,46例分期正确,7例分期错误。结论螺旋CT扫描可有效显示结肠癌的部位、大小和形态,确定肿瘤侵犯范围、有无淋巴结及远处转移等,可以维确的进行术前分期,具有较高的临床应用价值。 相似文献
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目的:学习总结结肠癌临床病例的CT表现,探讨多层螺旋CT对结肠癌诊断的临床价值。方法:收集笔者所在医院89例经手术病理确诊为结肠癌的病例,回顾分析CT平扫及增强表现,结合多平面重建技术(MPR),观察病变部位、大小、形态、边界以及周围侵犯和腹腔远处转移情况,总结结肠癌术前影像诊断及分期经验,评估术前CT诊断价值。结果:左半结肠34例,右半结肠25例,乙状结肠30例;大体病理类型呈息肉型或肿块型42例,溃疡型15例,浸润型或狭窄型32例。CT检测肿瘤部位与手术结果完全一致,术前CT分期与术后临床分期总符合率达89.8%。结论:CT对结肠癌检查准确高,同时亦能评估肿瘤周围侵犯情况及远处转移情况,对临床分期有重要指导作用。 相似文献
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目的:总结食管癌的螺旋CT表现及分期,探讨螺旋CT扫描后薄层重建诊断食管癌淋巴结转移的价值。方法:分析26例经手术或病理证实食管癌的螺旋CT表现,对比螺旋CT薄层重建前、后对食管癌淋巴结转移诊断的准确率。结果:26例病例中Ⅰ期5例、Ⅱ期15例,均行手术治疗,6例CT检查有邻近脏器的侵犯、或远处转移,避免了不必要的手术治疗,螺旋CT薄层重建前、后对食管癌淋巴结转移诊断的正确率由提高到。结论:螺旋CT检查对食管癌涉及的范围、局部侵犯的程度均能很好的显示,螺旋CT薄层重建能明显提高食管癌淋巴结转移的准确性,对降低不必要的手术治疗有较高的价值。 相似文献
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S Emelianova P Mazzotta A Einarson G Koren 《Clinical and investigative medicine. Médecine clinique et experimentale》1999,22(3):106-110
OBJECTIVE: Although nausea and vomiting of pregnancy is the most common medical condition during pregnancy, there are many unanswered questions regarding its cause, epidemiologic features and optimal management. The objectives of this study were to ascertain the prevalence of nausea and vomiting in a sample of Canadian women, to characterize the distribution of their severity and to investigate the role of vitamin B6 deficiency in their etiology. DESIGN: Prospective study. SETTING: Antenatal counselling service for pregnant women. PATIENTS: Three cohorts of women: a prospective, population-based cohort of 193 women, to estimate the rate and severity of nausea and vomiting (cohort A); a cohort of 555 women who sought advice for nausea with or without vomiting, to study the correlation between the maximal daily number of episodes of vomiting and maximal weight loss (cohort B); and a prospective cohort of 301 women who reported vomiting, to correlate vitamin supplementation with vomiting (cohort C). INTERVENTIONS: All 3 cohorts were interviewed during the counselling session, and cohort B was followed up prospectively. OUTCOME MEASURES: Frequency of nausea and vomiting, weight loss, maximal number of daily episodes of vomiting, rate of multivitamin supplementation. RESULTS: Overall, 67% of the women in cohort A reported experiencing nausea or vomiting, or both; 22% reported vomiting, and 9% experienced weight loss. In cohort B there was a significant correlation between the maximal number of daily episodes of vomiting and maximal weight loss, although there was wide variation (r2 = 0.25, p < 0.001). There was a highly significant correlation between the number of daily vomiting episodes and mean weight loss (r2 = 0.99). In cohort C, vomiting was significantly associated with lack of supplementation with multivitamins before 6 weeks' gestation (p = 0.002). CONCLUSIONS: The relation between number of daily vomiting episodes and mean weight loss may serve as a clinical tool to assess the severity of nausea and vomiting in pregnancy and the success of anti-emetics and rehydration regimens. Further study is needed to elucidate the biologic basis of the observed association between vomiting and lack of multivitamin supplementation in early pregnancy. 相似文献
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心血管疾病是我国的多发病和人群的主要死亡原因之一,而高血压已成为中老年人的常见病,是冠心病、脑卒中最主要的危险因素,已成为世界性公共卫生问题。随着我国经济的发展及人们生活水平的日益提高,我国在1958年、1979年、1991年分别进行了全国性的高血压普查,结果表明,我国高血压患病率在持续上升,且上升速度逐年加快。由于文化程度、生活习惯以及信息来源不足的差异也是导致城居民高血压患病率持续上升的重要原因,因此指导城乡居民进行合理的饮食,对预防高血压的发生、发展有着重要的意义。 相似文献
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Harold S. Zamansky Roger F. Brightbill 《The International journal of clinical and experimental hypnosis》2013,61(4):279-290
A form of the Semantic Differential, containing 9 concepts related to hypnosis and research, was administered to 96 hypnotically inexperienced male Ss. The Ss were later asked to volunteer for a hypnotic experiment, and the hypnotic susceptibility of all volunteers (N = 51) was then determined. Semantic Differential responses of volunteers and nonvolunteers and of highly susceptible and unhyp-notizable Ss were compared. Differences between groups, in both comparisons, were generally not statistically significant, a finding which suggests that there is no simple relationship between paper-and-pencil measures of attitudes and volunteering for hypnotic experiments or hypnotizability. 相似文献
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目的 为了解麻疹和风疹的临床症状特征,并评价不同麻疹疑似病例定义的监测效果。 方法 2010年在北京市昌平区开展发热出疹性病例的流行病学调查,收集病例的一般情况、临床症状和体征、免疫史等信息。 结果 麻疹和风疹在发热程度、皮疹持续时间、发热至出疹时间间隔以及卡他症状、结膜炎、淋巴结肿大和关节疼痛等临床症状和体征有明显差异。北京市和卫生部麻疹疑似病例诊断标准的敏感度和特异度分别为94%、50%和45%、94%。如以"发热≥38℃,发热后第3天或以后出疹,并伴有卡他症状或结膜炎之一者"作为麻疹疑似病例诊断标准,敏感度和特异度分别为81%和92%。 结论 北京市麻疹发病率较低,北京市麻疹疑似病例诊断标准的敏感度较高,对于消除麻疹,及时发现病例有效。在消除麻疹进程中,要视不同发病率选择适宜的监测病例定义,以提高监测效力。 相似文献