Computed tomography (CT) imaging provides a form of imaging known as cross-sectional imaging. CT imaging produces cross-sectional images of anatomy. Micro-computed tomography (micro-CT) provides high-resolution three-dimensional (3D) geometry and density information for the analysis of biological materials, and is particularly well-suited for bone research. These detailed 3D data have provided significant insights into issues surrounding bone quality, and the recent advancement of this. Computed tomography (CT) can be an exciting and fulfilling career. As a CT technologist, you’ll likely work in a hospital or an imaging center. You’ll perform scans on all parts of the body for a variety of reasons. Some patients need imaging to diagnose a disease or an acute condition. Computed Tomography; Search form. Search Advanced search. CT Cross Trainer Course – MIC Guidebook. The program consists of six comprehensive study modules delivered in a convenient reference binder. Each study module contains 30-60 pages of easy-to follow text, with an abundance of illustrations, images, and summaries. X-Ray Micro-Computed Tomography (μCT) X-ray micro-computed tomography (μCT) is a nondestructive imaging technique that allows for food microstructure to be characterized in the native state (Schoeman et al., 2016; Wang et al., 2018). During measurement, X-rays pass through the sample and are either absorbed or scattered.
Introduction
The micro-computed tomography (microCT) core provides high-resolution assessments of density, geometry and microarchitecture of mineralized tissues, such as bones and teeth, calcification as result of pathology, or soft tissues and biomaterials stained with radiographic contrast media. Studies performed by the HSS microCT core include:
- density and architecture analysis of human biopsies (Fig.1)
Figure 1: Human iliac crest biopsies
- phenotype characterization of bones and teeth in animal models (Fig. 2)
Adult mouse femur Mouse knee joint 7 month-mouse molar
Figure 2: Phenotype characterization of bone and teeth
- studies of particle-induced osteolysis (Fig. 3)
Figure 3: Mouse calvaria: particle-induced osteolysis Sun tv serial title song free download.
- characterization of dystrophic calcifications
- visualization of bone implants
- biomaterial characterization
- vascular mapping
Equipment
Scanner: Scanco Medical MicroCT 35 (Fig. 4)
- Resolution: 1.75-38 microns. In a typical mouse bone characterization the resolution used is 6µm (for femur/tibia) or 10µm (for knee).
- Wide range of KVp (45-70)/selection of different filters, allowing for high- (soft/developing mineralized tissue), normal- (mature bone) and low-contrast (implants, tooth enamel) scans.
- Incremental scanning: Every field of view chosen for analysis is scanned by increments using a 2048 x 2048 CCD detector. This enables a precise choice of the analyzed area by the user.
- Batch scanning: Multiple specimens are loaded for scanning with pre-selected settings for efficient use of the system.
- Different setups for analysis of variable size samples
- Reproducibility of analysis: % range of measurements from repeated scans at a 6µm resolution:
- calibration phantom: <0.2% for mineral density
- mouse femur trabecular bone: <0.5% for mineral density, <0.7% for trabecular bone volume fraction, relative bone surface, trabecular thickness, number, and separation
Figure 4: Scanco Medical MicroCT 35
3D reconstruction and processing: HP Integrity server workstation.
The Scanco workstation combined with the 64bit-software for densitometry and histomorphometry analysis provides:
- archiving of scans
- fast 2D and 3D evaluation of reconstructed volumes
- automated density scaling correction
- automated beam hardening and center of rotation correction
- versatile definition of volume contour for analysis by user
- handling of very large datasets
- complete array of direct morphometry measurements in 3D
Core Support
The microCT core-associated staff meets with all new users before the beginning of analyses to discuss the technical options for the users’ purposes. The focus is on an efficient use of the system within the study budget. A limited amount of pilot analyses is also available for first-time studies.
Fee Schedule
- Scanning:
$75/hour (NIH-funded projects)
$100/hour (academic, non NIH funded)
$200/hr (corporate) - Analysis:
$75/hour (NIH-funded projects)
$100/hour (academic, non NIH funded)
$200/hr (corporate or other) when provided by the Core or $25/hour on the Core workstation by the user (training on analysis software is provided to users at the hourly rate).
Typical scanning time for mouse femurs: 6-10µm resolution ~1.5h (4 femurs can be scanned in parallel).
To schedule samples please review the Service Request Process and complete the form as provided below:
Service Request Process
Service Request Form
Contact Information
Kyung Hyun Park-Min, PhD
Assistant Scientist and Director
Email: ParkminK@HSS.edu
Hayat Benlarbi
Senior Research Technician
Email: BenlarbiH@HSS.
Phone: 212-774-7329
Are you considering getting certified by taking the Computed Tomography (CT) exam? If so, know that your preparation is the most important piece to succeeding on test day! The CT test is a difficult exam that requires a lot of study and preparation in order to pass.
For this reason, we created our CT practice test to help test takers learn about what they will see on the actual test. Knowing the format and wording of the questions isn’t enough, you will also need to take a look at the layout and breakdown of the test to truly optimize your study habits, so let’s take a look! If you would like to check out some sample questions, check below!
The CT exam contains 185 multiple-choice questions of which twenty (20) are trial questions that do not count for or against you. The breakdown of the test is as follows:
- Patient Care and Safety (36 items)
- Imaging Procedures (75 items)
- Physics and Instrumentation (54 items)
Test takers will have 3 1/2 hours to complete the examination. All scores are scaled in a possible range of 1 to 99, and the minimum passing score is 75. With these things in mind, choose your study material and preparation time wisely to ensure you will be ready for the exam. If you do not know where to start, check out our free CT practice test that will give you an idea of the questions on the test.
Computed Tomography Exam Basics Review
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CT Study Guide
Mometrix Academy is a completely free resource provided by Mometrix Test Preparation. If you find benefit from our efforts here, check out our premium quality CT study guide to take your studying to the next level. Just click the CT study guide link below. Your purchase also helps us make even more great, free content for test-takers.
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