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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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Abdominal Regions and Quadrants01:19

Abdominal Regions and Quadrants

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To promote clear communication, for instance, about the location of a patient's abdominal pain or a suspicious mass, anatomists and clinicians typically use imaginary lines to categorize the abdominopelvic cavity into either four quadrants or nine regions to identify organs in the cavity.
The simpler quadrants approach, which is more commonly used in medicine, subdivides the cavity with one horizontal and one vertical line that intersects at the patient's umbilicus (navel). The four...
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Ureters01:22

Ureters

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The ureters are retroperitoneal tubes located on either side of the vertebral column. They are responsible for transporting urine from each kidney to the urinary bladder. These tubes have thick walls and are approximately 25-30 cm long. Their diameter is around 10 mm at the renal pelvis, gradually narrowing to 1 mm as the ureter obliquely enters the posterior bladder wall through the ureteric orifices. The shape of these orifices is slit-like, which helps to prevent urine backflow toward the...
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
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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 III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
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相关实验视频

Updated: May 15, 2025

Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography
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Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography

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在Urachus的成像.

Maria Zulfiqar1, Parker J Brown1, Komal Chughtai1

  • 1From the Department of Radiology, Mayo Clinic Arizona, 13400 E Shea Blvd, Scottsdale, AZ 85259 (M.Z., P.J.B., N.T., M.Y., D.V.T., A.K.); Department of Radiology, Weill Cornell Medicine, New York, NY (K.C.); Department of Pathology (P.N.) and Mallinckrodt Institute of Radiology (C.L.S.), Washington University School of Medicine in St Louis, St Louis, Mo; and Department of Radiology, Phoenix Children's Hospital (A.A., D.V.T.) and University of Arizona (A.A.), Phoenix, Ariz.

Radiographics : a review publication of the Radiological Society of North America, Inc
|April 10, 2025
PubMed
概括

尿道,一个连接膀和的残余,可以发展各种先天性异常和非新生病或新生病. 了解 urachal 胚胎学有助于通过成像诊断这些异常.

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科学领域:

  • 胚胎学 胚胎学
  • 放射学 放射学是一门学科.
  • 病理学 病理学 病理学

背景情况:

  • 尿道是艾伦托斯和水的残余物,将胎儿的膀与前腹壁连接起来.
  • 虽然残留性,但 urachus 可以受到先天性异常,炎症状况和瘤的影响.

研究的目的:

  • 探索胚胎起源和 urachus 的正常解剖学.
  • 讨论urachal病理及其成像表现在各种模式.
  • 为了提高放射科医生在 urachal 异常的诊断能力.

主要方法:

  • 对胚胎发育和正常 urachal 解剖学的审查.
  • 使用超声波 (US),CT和MRI对 urachal 病理的基于案例的讨论.
  • 对先天性异常,炎症质量和瘤状况的分析.

主要成果:

  • 口腔异常的范围从焦点通透度 (囊,分泌体,鼻) 到完全通透度 ( patent urachus).
  • 非新发性疾病包括炎症性质量和子宫内膜异位症;新发性实体包括腺癌 (最常见的恶性瘤),粘膜性细胞瘤,尿癌和转移.
  • urachal 病理学的模仿者包括膀恶性瘤和掉落的尾炎/胆结石.

结论:

  • 了解 urachal 胚胎发生是解释 urachal 异常的成像发现的关键.
  • 准确诊断urachal条件,包括模仿,对于有效的患者管理至关重要.
  • 本综述旨在改善放射科医生对 urachal 异常的识别和解释.