脏质量成像方法:身体质量指数 (BMI) 是否重要?
Young Son1, Mark E Quiring2, Raeann M Dalton3
1Department of Urology, Jefferson Health New Jersey, 18 E Laurel Rd, Stratford, NJ, 08084, USA. youngso@pcom.edu.
International urology and nephrology
|March 19, 2024
概括
精确的质量大小测量对于癌管理至关重要. 对比增强CT扫描对肥胖患者 (BMI> 30) 的精度较低,影响脏瘤大小估计.
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.
- 在瘤学瘤学.
背景情况:
- 精确的质量大小测量对于癌管理至关重要.
- 目前的成像指南缺乏关于身体质量指数 (BMI) 影响的具体性.
- 了解成像模式的变化对于患者护理至关重要.
研究的目的:
- 为了评估不同的成像方法在测量质量大小时的准确性.
- 为了确定患者的BMI是否会影响质量尺寸测量的准确性.
- 为了解决质的最佳成像策略.
主要方法:
- 对236名接受切除 (2018-2021) 的成年患者的多机构图表审查.
- 患者被划分为四个BMI组 (18.5-24.9,25-29.9,30-34.9,≥35).
- 从病理学报告中对质量最大长度测量的比较,用CT,MRI和脏超声波.
主要成果:
- 与病理学测量相比,对比度增强的CT和MRI显示出显著的差异.
- 肥胖患者 (BMI 3和4) 与正常体重患者 (BMI 2) 相比,在对比度增强的CT上有显著不同的尺寸估计.
- 对于脏超声波或非对比CT,没有观察到与BMI相关的大小估计的显著差异.
结论:
- 在BMI> 30的患者中,对比度增强CT对估计质量大小的准确性较低.
- 在肥胖个体中使用对比增强CT进行质量大小估计时,建议谨慎使用.
- 虽然对组织增强至关重要,但CT对尺寸测量的准确性随着BMI的增加而下降.
更多相关视频
09:49A Whole Body Dosimetry Protocol for Peptide-Receptor Radionuclide Therapy PRRT: 2D Planar Image and Hybrid 2D+3D SPECT/CT Image Methods
Published on: April 24, 2020
9.9K
13:35Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos
Published on: March 21, 2021
10.5K
相关概念视频
Radiological Investigation I: X-ray and CT
237
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...
237
Factors Affecting Renal Clearance: Renal Impairment
91
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
91
Magnetic Resonance Imaging
5.1K
Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
5.1K
Ultrasonography
4.5K
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...
During an ultrasonography procedure, a handheld device called...
4.5K
X-ray Imaging
5.5K
German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
5.5K
Renal Clearance
931
The glomerular filtration rate (GFR) is a critical marker of kidney function, reflecting the efficiency of filtration by the glomeruli. Renal clearance of specific substances, such as inulin or creatinine, is commonly used to measure GFR.
Renal clearance refers to the volume of plasma cleared of a specific substance, such as creatinine, per unit of time. To measure clearance, urine samples are collected over a 24-hour period during each bladder voiding, followed by a single blood sample at the...
Renal clearance refers to the volume of plasma cleared of a specific substance, such as creatinine, per unit of time. To measure clearance, urine samples are collected over a 24-hour period during each bladder voiding, followed by a single blood sample at the...
931
