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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.
During an ultrasonography procedure, a handheld device called...
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Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
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Ultrasound I: Abdominal Ultrasonography01:20

Ultrasound I: Abdominal Ultrasonography

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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 I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

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Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
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Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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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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Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

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Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
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Non-invasive Parenchymal, Vascular and Metabolic High-frequency Ultrasound and Photoacoustic Rat Deep Brain Imaging
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与新发性胆囊聚体相关的超声波成像特征:系统性审查和元分析.

Sunyoung Lee1, Won Chang2,3, Yeun-Yoon Kim4

  • 1Department of Radiology and Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.

Korean journal of radiology
|March 4, 2026
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概括
此摘要是机器生成的。

八个超声波特征,包括尺寸≥10毫米和胆囊壁的加厚,显著表明瘤胆囊聚体. 这些发现有助于区分良性和潜在恶性息肉,以更好地管理患者.

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科学领域:

  • 胃肠病学 胃肠病学
  • 医疗成像医学成像
  • 在瘤学瘤学.

背景情况:

  • 胆囊聚体很常见,其中的一个子集是瘤和潜在的恶性.
  • 通过成像技术精确区分瘤与非瘤聚体至关重要,但具有挑战性.

研究的目的:

  • 为了识别与瘤胆囊聚体相关的特定超声波 (US) 成像特征.
  • 为了提高胆囊多的诊断准确度.

主要方法:

  • 对30项涉及8953名患者的研究进行了元分析.
  • 使用双变随机效应模型来评估美国特征的诊断性能.
  • 搜索了MEDLINE,EMBASE,Cochrane和KoreaMed数据库,截至2025年8月31日.

主要成果:

  • 在九个评估的美国特征中,有八个与瘤多显著相关.
  • 关键特征包括:大小≥10毫米,状形态,单聚体,低胆固醇性,胆囊壁加厚 (GBWT) 和血管性.
  • 尺寸≥10毫米具有最高的聚合灵敏度 (0.79),而低可热性具有最高的聚合特异性 (0.93).

结论:

  • 美国的几种成像特征与瘤胆囊多密切相关.
  • 这些已识别的特征可以帮助临床医生更有效地管理胆囊息肉.
  • 进一步的研究可能会完善胆囊多的诊断标准.