The CT protocols course officially ends on April 23rd. There are only three more requirements left to be fulfilled. They are listed in numeric order below (in bold):
1. There is one more post that has to be added to your web log. This final post should expand several of the issues highlighted in the pdf file that is on your CD--titled "New Techniques in CT Angiography"
Your final post should explain each of the following: (use diagrams, pictures, and/or images to emphasize and illustrate your descriptions.)
A. What is the purpose of bolus tracking in contrast administration, and how does the method work?
B. What is Maximum Intensity Projection? Explain how it works, and provide images as examples of the technique.
C. What is Segmentation? Explain how it works, and provide images as examples of the technique.
The Web log is due on April 23rd. Once it is complete, send me an e-mail with the exact web address in the body of the e-mail. The subject of the e-mail should be "Web Log" (exactly that, and nothing else).
2. The final quiz will be administered on April 23rd and it is based on the two video clips on your CD.
3. A online practice quiz will be available on April 16th. It will be a combination of questions from the pdf file and the two video clips.
My wish is that you have developed an appreciation for the advances in Computed Tomography over the past 35 years–from the first-generation machine of the early days, to the 64 slice Multi-detector CT machines that are in routine use today. The scan parameters and techniques have changed, and so has the terminology of CT scanning. It is essential that you advance with the technology.
Thanks.
Sunday, April 12, 2009
Saturday, April 4, 2009
CT Protocols Practice Quiz
The next in-class quiz will be given on Thursday, April 9, 2009.
The questions will be presented in several formats: short answer, fill in the blanks, identification of anatomy, etc.
This practice quiz is a good indication of what to expect:
1. Regarding upper extremity trauma, in what areas or procedures does CT imaging improve on the capabilities of conventional radiography.
3. What is being demonstrated in the region circled below?
4. The image below was produced by a post-processing technique called ______________ rendering.
5. The image below shows a humeral CT scan of a pediatric patient. The fracture shown is in the region of the ______________ plate.
6. List six indications for CT evaluation of pediatric trauma patients.
7. What is an occult fracture?
8. What is an intra-articular fracture?
9. What result of patient trauma is being demonstrated in the image below?
10. Below, the arrow is pointing to a fracture of the ________________.
11. In musculoskeletal imaging MDCT has proven to be much more reliable at showing fractures than conventional radiography. Is this statement true or false? Give evidence from the presentation to justify your answer.
12. What are the consequences of an undiagnosed fracture?
13. List three reasons for CT examination of the tibial plateau?
14. The avulsion shown in the image below, is in the region of the tibial ______________.
15. What is the name of the major blood vessel shown in the CT angiogram?
16. The image below shows a fracture of the _______________.
17. There are two fractures shown in the image below, what are the specific anatomic regions where these fractures are located?
18. In the case of arterial injuries, what are the findings that are of interest to the radiologist based on CT angiogram studies.
19. Regarding CTA of the extremities, what are some of the pitfalls that may lead to sub-optimal studies?
20. Based on the statement below, what is meant by sensitivity and specificity when used in this context?
The questions will be presented in several formats: short answer, fill in the blanks, identification of anatomy, etc.
This practice quiz is a good indication of what to expect:
1. Regarding upper extremity trauma, in what areas or procedures does CT imaging improve on the capabilities of conventional radiography.
3. What is being demonstrated in the region circled below?
4. The image below was produced by a post-processing technique called ______________ rendering.
5. The image below shows a humeral CT scan of a pediatric patient. The fracture shown is in the region of the ______________ plate.
6. List six indications for CT evaluation of pediatric trauma patients.
7. What is an occult fracture?
8. What is an intra-articular fracture?
9. What result of patient trauma is being demonstrated in the image below?
10. Below, the arrow is pointing to a fracture of the ________________.
11. In musculoskeletal imaging MDCT has proven to be much more reliable at showing fractures than conventional radiography. Is this statement true or false? Give evidence from the presentation to justify your answer.
12. What are the consequences of an undiagnosed fracture?
13. List three reasons for CT examination of the tibial plateau?
14. The avulsion shown in the image below, is in the region of the tibial ______________.
15. What is the name of the major blood vessel shown in the CT angiogram?
16. The image below shows a fracture of the _______________.
17. There are two fractures shown in the image below, what are the specific anatomic regions where these fractures are located?
18. In the case of arterial injuries, what are the findings that are of interest to the radiologist based on CT angiogram studies.
19. Regarding CTA of the extremities, what are some of the pitfalls that may lead to sub-optimal studies?
20. Based on the statement below, what is meant by sensitivity and specificity when used in this context?
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