4 computed tomography; computerized tomography 5 Connecticut Dictionary Entries Near ct C student ct CT See More Nearby Entries Cite this Entry Style “Ct.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ct. Accessed 30 Nov. 2024. Copy...
•ThemeaningofComputedTomographyCT 的含义 •Historicalperspectives历史回顾•CTScanningmodesCT扫描模式 •普通X射线摄影:把3D空间信息投影到一个2D平面上;•厚度方向的信息重叠(不易判断),分辨衰减系数5%-7%。•X-CT:得到与人体长轴方向垂直的切片图像•可检测0.5%的衰减差•可得到很清晰的图像。X...
Computed tomography—also called a CT scan, CAT scan, orcomputerized axial tomography—relies on multiple X-rays to create a 3-D image. It allows healthcare providers to look at organs and helps them to diagnose an injury, such as a fracture, or a condition like cancer.1 A CT scan prov...
Computed Tomography (CT) imaging is also known as "CAT scanning" (Computed Axial Tomography). Tomography is from the Greek word"tomos"meaning "slice" or "section" and"graphia"meaning "describing". CT was invented in 1972 by British engineer Godfrey Hounsfield of EMI Laboratories, England and b...
The meaning of CT SCAN is a cross-sectional, three-dimensional image of an internal body part produced by computed tomography chiefly for diagnostic purposes —called also CAT scan. How to use CT scan in a sentence.
The physical specimens and objects in natural history museums require people to give them meaning. Access to natural history collections has increased over the past few hundred years, from their inception as cabinets of curiosity in aristocratic households to public museums exhibiting subsets of their ...
Computed tomography (CT Scanner) is an imaging technique that uses X-rays to create cross-sectional images of parts of the body, including the urinary tract tomography. diagnose urinary tract disease. This technique gives fairly clear images of the internal organs, especially ...
Keywords: computed tomography (CT); image reconstruction; low-dose; sparse-angle; deep learning; quantitative comparison1. Introduction Computed tomography (CT) is a widely used (bio)medical imaging modality, with various applications in clinical settings, such as diagnostics [1], screening [2] and...
Cardiac Computed Tomography (CT) Angiography of the Coronary Arteries Aetna considers cardiac computed tomography (CT) angiography of the coronary arteries using 64-slice or greater medically necessary for the following indications: Rule out obstructive coronary stenosis in symptomatic persons with an low...
Computed Tomography, or CT, refers to computerized imaging procedures where an x-ray beam is aimed towards the patient and rotated around the body, in order to create cross-sectional images of the body. The word “tomography” is derived from Greek for, “tomos” meaning section or slice ...