通过标准操作程序优化,尿道和膀的计算机断层扫描中z轴覆盖范围:临床审计报告
Reinoud Maurits Blom1, Lesley Cockmartin2, Nicholas Marshall3
1Department of Radiology, Regional Hospital Heilig Hart Tienen, Kliniekstraat 45, Tienen 3300, Flanders, Belgium.
Radiation protection dosimetry
|August 12, 2025
概括
对脏,尿道和膀 (CT KUB) 计算机断层扫描的修订标准操作程序 (SOP) 减少了扫描长度和辐射剂量. 使用更清晰的解剖学标志显著改善了CT KUB扫描优化和患者安全.
科学领域:
- 放射学 放射学是一门学科.
- 医疗成像医学成像
- 辐射剂量优化 辐射剂量优化
背景情况:
- 内部审计揭示了脏,尿道和膀 (CT KUB) 计算机断层扫描中的剂量变化.
- 现有的标准操作程序 (SOP) 缺乏特定的解剖学标志,导致扫描长度和辐射剂量不一致.
研究的目的:
- 评估修订后的标准操作程序在优化扫描长度和减少CT KUB检查辐射剂量的有效性.
- 评估使用不那么模两可的骨解剖标志对扫描参数的影响.
主要方法:
- 对247张CT KUB扫描进行了回顾性分析.
- 实施分阶段的SOP修订,使用T10脊椎末板和阴部交错的地标.
- 在第二阶段,添加了角探头视图,以帮助T10端板的识别.
主要成果:
- 在SOP调整的第一阶段,扫描长度减少了14%,剂量长度产品 (DLP) 减少了32%.
- 第二阶段进一步减少了7%的扫描长度.
- 总的来说,分阶段方法导致扫描长度减少20%,DLP减少55%.
结论:
- 经过修订的SOP具有明确的骨解剖学标志,对于CT KUB扫描长度优化是有效的.
- 逐步实施SOP调整可以显著降低辐射剂量,提高扫描效率.
- 标准化的解剖学地标对于一致和安全的CT KUB成像至关重要.
相关概念视频
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
Imaging Studies I: Kidney, Ureter, and Bladder Studies
39
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...
39
Imaging Studies II: Ultrasonography
54
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...
54
Imaging Studies IV: Magnetic Resonance Imaging
52
Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
52
Computed Tomography
6.2K
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...
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...
6.2K
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


