diagnostic imaging

诊断成像
  • 文章类型: Journal Article
    目的:制定绝经后无出血妇女超声检查子宫内膜增厚的临床评估策略。
    方法:任何年龄的绝经后妇女。
    结果:减少无症状子宫内膜增厚妇女不必要的侵入性干预和调查,同时选择性调查有子宫内膜癌风险的妇女。
    结果:预计采用这些建议将避免绝经后妇女不必要的焦虑,疼痛,和手术并发症的风险。预计还将通过消除不必要的干预措施来降低医疗保健系统的成本。
    方法:Medline的英文文章,科克伦,和PubMed数据库,用于1995年至2022年的相关同行评审文章(例如,无症状子宫内膜厚度,子宫内膜癌,绝经后出血,经阴道超声,子宫内膜活检,宫颈狭窄,激素疗法和子宫内膜,他莫昔芬,替勃龙,芳香化酶抑制剂)。结果仅限于系统评价和荟萃分析,随机对照试验/对照临床试验,和观察性研究。
    方法:作者使用建议分级评估对证据质量和建议强度进行了评估,开发和评估(等级)方法。见附录A(表A1的定义和A2的强和条件[弱]建议的解释)。
    医生,包括妇科医生,产科医生,家庭医生,放射科医生,病理学家,和内科医生;执业护士和护士;医学学员,包括医学生,居民,和研究员;以及绝经后人群的其他医疗保健提供者。
    绝经后妇女在超声检查中经常发现子宫内膜增厚。没有出血,子宫内膜<11mm很少是一个严重问题,但应由卫生保健提供者进行评估.
    OBJECTIVE: To formulate strategies for clinical assessments for endometrial thickening on ultrasound in a postmenopausal woman without bleeding.
    METHODS: Postmenopausal women of any age.
    RESULTS: To reduce unnecessary invasive interventions and investigations in women with asymptomatic endometrial thickening while selectively investigating women at risk for endometrial cancer.
    RESULTS: It is anticipated that the adoption of these recommendations would save postmenopausal women unnecessary anxiety, pain, and risk of procedural complications. It is also expected to decrease the cost to the health care system by eliminating unnecessary interventions.
    METHODS: English language articles from Medline, Cochrane, and PubMed databases for relevant peer-reviewed articles dating from 1995 to 2022 (e.g., asymptomatic endometrial thickness, endometrial cancer, postmenopausal bleeding, transvaginal ultrasound, endometrial biopsy, cervical stenosis, hormone therapies and the endometrium, tamoxifen, tibolone, aromatase inhibitors). Results were restricted to systematic reviews and meta-analyses, randomized controlled trials/controlled clinical trials, and observational studies.
    METHODS: The authors rated the quality of evidence and strength of recommendations using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach. See Appendix A (Tables A1 for definitions and A2 for interpretations of strong and conditional [weak] recommendations).
    UNASSIGNED: Physicians, including gynaecologists, obstetricians, family physicians, radiologists, pathologists, and internists; nurse practitioners and nurses; medical trainees, including medical students, residents, and fellows; and other providers of health care of the postmenopausal population.
    UNASSIGNED: Postmenopausal women often have a thickening of the lining of the uterus found during ultrasound. Without bleeding, an endometrium <11 mm is rarely a serious problem but should be evaluated by a health care provider.
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  • 文章类型: Journal Article
    胃肠道(GI)出血是导致在美国住院的最常见的GI诊断。及时诊断和治疗消化道出血对于改善患者预后和降低高医疗保健利用率和成本至关重要。放射学技术,包括计算机断层扫描血管造影,导管血管造影,计算机断层扫描小肠造影术,磁共振小肠造影,核医学红细胞扫描,和99m高tech闪烁显像(Meckel扫描)经常用于评估胃肠道出血患者,并且是胃肠道内窥镜检查的补充。然而,存在多个管理指南,这些指南在这些放射学检查的推荐使用方面存在差异.这种可变性会导致混淆如何使用这些测试来评估胃肠道出血。在这份文件中,来自美国胃肠病学会和腹部放射学学会的专家小组对用于评估胃肠道出血的放射学检查进行了综述,包括命名法。技术,性能,优势,和限制。还包括相对于内窥镜检查的优点和局限性的比较。最后,提供了关于胃肠道出血的技术参数和放射学技术使用的共识声明和建议。
    Gastrointestinal (GI) bleeding is the most common GI diagnosis leading to hospitalization within the United States. Prompt diagnosis and treatment of GI bleeding is critical to improving patient outcomes and reducing high healthcare utilization and costs. Radiologic techniques including computed tomography angiography, catheter angiography, computed tomography enterography, magnetic resonance enterography, nuclear medicine red blood cell scan, and technetium-99m pertechnetate scintigraphy (Meckel scan) are frequently used to evaluate patients with GI bleeding and are complementary to GI endoscopy. However, multiple management guidelines exist which differ in the recommended utilization of these radiologic examinations. This variability can lead to confusion as to how these tests should be used in the evaluation of GI bleeding. In this document, a panel of experts from the American College of Gastroenterology and Society of Abdominal Radiology provide a review of the radiologic examinations used to evaluate for GI bleeding including nomenclature, technique, performance, advantages, and limitations. A comparison of advantages and limitations relative to endoscopic examinations is also included. Finally, consensus statements and recommendations on technical parameters and utilization of radiologic techniques for GI bleeding are provided.
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  • 文章类型: Journal Article
    背景:接受诊断和介入放射学程序的儿童通常需要镇静以实现固定和镇痛,如果程序疼痛。在过去的几十年里,领先的科学组织已经为手术室外儿童的手术镇静和镇痛制定了循证指南.他们的建议正应用于放射学中的程序性镇静。然而,关于放射学背景的具体方面,一些问题仍然悬而未决,例如选择性倾向镇静,程序的紧迫性,当需要静脉通路或气道保护时,和其他人。
    目的:解决儿科诊断和介入放射学中程序镇静和镇痛尚未解决的问题。
    方法:儿科医生专家小组,儿科麻醉师,密集主义者,神经放射学家选择了代表当前争议的主题并提出了研究问题。陈述是通过回顾文献寻找新的证据而形成的,比较专业知识和经验,并表达意见。使用DELPHI方法匿名收集小组成员与陈述的协议。
    结果:提出了12项基于证据或专家意见的整合,考虑到风险,好处,和适用性。
    结论:本共识文件,由参与该领域的多学科专家小组开发,提供声明,以提高儿科放射学中程序镇静和镇痛的决策实践质量。
    BACKGROUND: Children undergoing diagnostic and interventional radiology procedures often require sedation to achieve immobility and analgesia if the procedure is painful. In the past decades, leading scientific organizations have developed evidence-based guidelines for procedural sedation and analgesia in children outside of the operating room. Their recommendations are being applied to procedural sedation in radiology. However, some questions remain open regarding specific aspects contextualized to the radiology setting, such as elective prone sedation, the urgency of the procedure, when venous access or airway protection is required, and others.
    OBJECTIVE: To address the unresolved issues of procedural sedation and analgesia in pediatric diagnostic and interventional radiology.
    METHODS: An expert panel of pediatricians, pediatric anesthesiologists, intensivists, and neuroradiologists selected topics representative of current controversies and formulated research questions. Statements were developed by reviewing the literature for new evidence, comparing expertise and experience, and expressing opinions. Panelists\' agreement with the statements was collected anonymously using the DELPHI method.
    RESULTS: Twelve evidence-based or expert opinion incorporate are presented, considering risks, benefits, and applicability.
    CONCLUSIONS: This consensus document, developed by a multidisciplinary panel of experts involved in the field, provides statements to improve the quality of decision-making practice in procedural sedation and analgesia in pediatric radiology.
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  • 文章类型: Journal Article
    加拿大放射科医师协会(CAR)心血管专家小组由放射学学科的医师组成,心脏病学,和急诊医学,耐心的顾问,和流行病学家/指导方法学家。在制定了30种临床/诊断方案清单后,我们进行了一项快速范围审查,以确定系统制定的转诊指南,为这些临床/诊断方案中的一种或多种提供建议.来自48条准则和建议分级中的背景标准的建议,评估,发展,和评估(GRADE)的指南框架被用于在30种情景中制定125种推荐声明(27种独特情景作为2种情景指向CAR胸部诊断成像转诊指南,急性心包炎亚情景包含在2种主要情景中).本指南介绍了急性胸痛综合征的发展方法和转诊建议,慢性胸痛,心血管筛查和风险分层,心包综合征,心内/心包肿块,疑似心脏瓣膜病心肌病,主动脉,静脉血栓形成,和外周血管疾病。
    The Canadian Association of Radiologists (CAR) Cardiovascular Expert Panel is made up of physicians from the disciplines of radiology, cardiology, and emergency medicine, a patient advisor, and an epidemiologist/guideline methodologist. After developing a list of 30 clinical/diagnostic scenarios, a rapid scoping review was undertaken to identify systematically produced referral guidelines that provide recommendations for one or more of these clinical/diagnostic scenarios. Recommendations from 48 guidelines and contextualization criteria in the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) for guidelines framework were used to develop 125 recommendation statements across the 30 scenarios (27 unique scenarios as 2 scenarios point to the CAR Thoracic Diagnostic Imaging Referral Guideline and the acute pericarditis subscenario is included under 2 main scenarios). This guideline presents the methods of development and the referral recommendations for acute chest pain syndromes, chronic chest pain, cardiovascular screening and risk stratification, pericardial syndromes, intracardiac/pericardial mass, suspected valvular disease cardiomyopathy, aorta, venous thrombosis, and peripheral vascular disease.
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  • 文章类型: Editorial
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  • 文章类型: Journal Article
    继欧洲妇科肿瘤学会(ESGO)之后,欧洲放射治疗和肿瘤学会(ESTRO),和欧洲病理学会(ESP)联合指南(2018)对宫颈癌患者的管理,治疗决策应以现代成像技术为指导。五年后(2023年)对ESGO-ESTRO-ESP建议进行了更新,进一步证实了这一说法。经阴道/经直肠超声(TRS/TVS)或盆腔磁共振(MRI)可以勾画肿瘤并精确评估其局部范围。包括评估膀胱壁或直肠壁的浸润深度。此外,这两种技术都有非常高的特异性,以确认转移性盆腔淋巴结的存在,但未能排除它们,由于灵敏度不足以检测小体积转移,与任何其他当前可用的成像模式一样。在TVS/TRS或MRI上淋巴结阴性的早期疾病(T1a至T2a1,T1b3除外)中,应进行手术病理分期。在所有其他情况下,推荐对比增强计算机断层扫描(CECT)或18F-氟代脱氧葡萄糖正电子发射断层扫描结合CT(PET-CT)评估肾盂外扩散.本文旨在回顾支持诊断成像实施的证据,重点是超声在宫颈癌的初步诊断检查中的应用。
    Following the European Society of Gynaecological Oncology (ESGO), the European Society for Radiotherapy and Oncology (ESTRO), and the European Society of Pathology (ESP) joint guidelines (2018) for the management of patients with cervical cancer, treatment decisions should be guided by modern imaging techniques. After five years (2023), an update of the ESGO-ESTRO-ESP recommendations was performed, further confirming this statement. Transvaginal/transrectal ultrasound (TRS/TVS) or pelvic magnetic resonance (MRI) enables tumor delineation and precise assessment of its local extent, including the evaluation of the depth of infiltration in the bladder- or rectal wall. Additionally, both techniques have very high specificity to confirm the presence of metastatic pelvic lymph nodes but fail to exclude them due to insufficient sensitivity to detect small-volume metastases, as in any other currently available imaging modality. In early-stage disease (T1a to T2a1, except T1b3) with negative lymph nodes on TVS/TRS or MRI, surgicopathological staging should be performed. In all other situations, contrast-enhanced computed tomography (CECT) or 18F-fluorodeoxyglucose positron emission tomography combined with CT (PET-CT) is recommended to assess extrapelvic spread. This paper aims to review the evidence supporting the implementation of diagnostic imaging with a focus on ultrasound at primary diagnostic workup of cervical cancer.
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  • 文章类型: Editorial
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  • 文章类型: Journal Article
    加拿大放射科医师协会(CAR)头颈部专家小组由放射科医师组成,喉科医生和喉部外科医生,耐心的顾问,和流行病学家/指导方法学家。在制定了11种临床/诊断方案清单后,我们进行了系统的快速范围审查,以确定系统制定的转诊指南,为一种或多种临床/诊断方案提供建议.来自17条准则和建议分级中的背景标准的建议,评估,发展,准则框架的评价(GRADE)用于在11种情况下制定26项建议声明。本指南介绍了鼻窦疾病的发展方法和转诊建议,耳鸣,甲状腺和甲状旁腺疾病,不明来源的颈部肿块,急性唾液腺炎,慢性唾液疾病,和颞下颌关节功能障碍。
    The Canadian Association of Radiologists (CAR) Head and Neck Expert Panel consists of radiologists, a laryngologist and laryngeal surgeon, a patient advisor, and an epidemiologist/guideline methodologist. After developing a list of 11 clinical/diagnostic scenarios, a systematic rapid scoping review was undertaken to identify systematically produced referral guidelines that provide recommendations for one or more of these clinical/diagnostic scenarios. Recommendations from 17 guidelines and contextualization criteria in the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) for guidelines framework were used to develop 26 recommendation statements across the 11 scenarios. This guideline presents the methods of development and the referral recommendations for sinus disease, tinnitus, thyroid and parathyroid disease, neck mass of unknown origin, acute sialadenitis, chronic salivary conditions, and temporomandibular joint dysfunction.
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  • 文章类型: Journal Article
    加拿大放射科医师协会(CAR)胃肠道专家小组由放射科医师组成,胃肠病学家,一个普通外科医生,一位家庭医生,耐心的顾问,和流行病学家/指导方法学家。在制定了20种临床/诊断方案清单后,我们进行了系统的快速范围审查,以确定系统制定的转诊指南,为一种或多种临床/诊断方案提供建议.来自58条准则和建议分级中的背景标准的建议,评估,发展,和评估(GRADE)的指南框架被用来制定85个推荐声明,具体针对20种情景中的成年人口.本指南介绍了吞咽困难/消化不良的发展方法和转诊建议,急性非局部腹痛,慢性腹痛,炎症性肠病,急性消化道出血,慢性消化道出血/贫血,异常肝活检,胰腺炎,肛门直肠疾病,腹泻,大便失禁,和异物摄入。
    The Canadian Association of Radiologists (CAR) Gastrointestinal Expert Panel consists of radiologists, a gastroenterologist, a general surgeon, a family physician, a patient advisor, and an epidemiologist/guideline methodologist. After developing a list of 20 clinical/diagnostic scenarios, a systematic rapid scoping review was undertaken to identify systematically produced referral guidelines that provide recommendations for one or more of these clinical/diagnostic scenarios. Recommendations from 58 guidelines and contextualization criteria in the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) for guidelines framework were used to develop 85 recommendation statements specific to the adult population across the 20 scenarios. This guideline presents the methods of development and the referral recommendations for dysphagia/dyspepsia, acute nonlocalized abdominal pain, chronic abdominal pain, inflammatory bowel disease, acute gastrointestinal bleeding, chronic gastrointestinal bleeding/anemia, abnormal liver biopsy, pancreatitis, anorectal diseases, diarrhea, fecal incontinence, and foreign body ingestion.
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