相关实验视频
Updated: Sep 10, 2025

07:30
3D Printing Model of a Patient's Specific Lumbar Vertebra
Published on: April 14, 2023
2.1K
分析尿道和腰椎之间的关系:从数字放射学中获得的见解
Xiang Liu1, Xiao-Jun Lu1, Yu-Han Wang1
1Department of Spine Surgery, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000 Guangdong, China.
概括
远端腰椎,特别是L5,在解剖学上更接近尿管. 在L5处的右尿管在前腰椎手术期间更容易受伤.
科学领域:
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 放射学 放射学是一门学科.
- 人体解剖学 解剖学 解剖学
背景情况:
- 催情性尿路损伤是一种手术风险.
- 了解尿道 - 腰椎脊椎解剖学对于缓解是至关重要的.
- 数字放射学 (DR) 有助于解剖评估.
研究的目的:
- 为了澄清尿管和腰椎之间的解剖关系.
- 通过使用DR图像来评估尿管与腰椎附近的位置.
主要方法:
- 从79名患有双J尿道支架的患者的前后脊椎DR图像进行了回顾性分析.
- 使用脊椎体边缘 (L2-L5) 测量脊椎-尿管距离.
- 分析尿管附近的性别和横向差异.
主要成果:
- 从L2-L5.5的尿管距离没有显著的基于性别的差异.
- 从L2-L5没有显著的横向差异,除了在L5下部.
- 右L5测量比左小;尿道的接近度从L2增加到L5.5.
- 30/237例 (L5) 显示尿管位于脊椎体边缘内或在脊椎体边缘.
结论:
- 远端腰椎 (L2-L5) 显示出尿管越来越接近尿管.
- 在L5水平的右尿管在前腰椎接近时面临更高的受伤风险.
- 这些发现有助于进行手术规划,以防止尿道损伤.
相关概念视频
Imaging Studies I: Kidney, Ureter, and Bladder Studies
38
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...
38
Imaging Studies II: Ultrasonography
53
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...
53
Imaging Studies V: Intravenous Urography and Retrograde Pyelography
146
IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
146
Imaging Studies VI: Voiding Cystourethrography and Cystography
112
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...
112
Ureters
728
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...
728
Imaging Studies III: Computed Tomography
50
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...
50

