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相关概念视频

Ultrasonography01:17

Ultrasonography

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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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Imaging Studies III: Computed Tomography01:27

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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Ultrasound I: Abdominal Ultrasonography01:20

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Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
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Imaging Studies II: Ultrasonography01:24

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Computed Tomography01:10

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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导航活检安全:在超声波和CT指导下并发症率.

Theresa Sophie Patzer1,2, Franziska Müller1, Michael Meir3

  • 1Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Oberdürrbacher Straße 6, 97080 Würzburg, Germany.

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概括

超声导向活检比CT导向手术更快,更安全,并发症明显减少. 虽然CT导向活检显示出更高的并发症率,但大多数事件都是轻微的,很少危及生命.

关键词:
电脑计算的X射线成像流血 出血 流血 出血并发症可能导致并发症.肝脏 肝脏 肝脏 肝脏 肝脏 肝脏肺 肺 肺 肺 肺 肺 肺 肺 肺通过皮肤进行活检.肺部胸部 (pneumothorax) 是一个疾病.断层扫描 (tomography) 是一个非常重要的技术.

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科学领域:

  • 放射学 放射学是一门学科.
  • 医疗成像医学成像
  • 干预性放射学 干预性放射学

背景情况:

  • 图像导向活检越来越常见,但存在风险.
  • 技术成功率很高,但可能会出现并发症.
  • 对不同成像方法的安全性进行比较至关重要.

研究的目的:

  • 为了比较超声导向与CT导向皮活检的安全性和有效性.
  • 分析程序持续时间,技术成功率和并发症率.
  • 评估与每个模式相关的并发症的类型,严重程度和时间.

主要方法:

  • 对250名接受肝脏,胸部,关节,淋巴结或骨活检的患者进行了回顾性研究.
  • 超声指导和CT指导的皮肤穿透活检程序的比较.
  • 分析手术持续时间,技术成功,并发症细节和辐射剂量 (CT).

主要成果:

  • 总体而言,技术成功率为97.6%,模式之间没有显著差异.
  • 超声导向活检显著更快 (19分钟对比CT的25.5分钟).
  • 与超声波导向活检 (7.6%) 相比,CT导向活检的并发症率明显高 (30.3%),CT导向活检的出血和肺胸部更频繁.

结论:

  • CT导向活检与更高的并发症率有关,可能是由于复杂性和轻微事件的检测.
  • 大多数活检后并发症是轻微的,发生在四小时内.
  • 严重的并发症在两种治疗方式中都是罕见的,没有报告任何危及生命的事件.