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C T - G U I D E D P R O C E D U R E S

Canadian Association of Medical Radiation Technologists

CT3 Imaging

Canadian Association of Medical Radiation Technologists

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Assignment 6/15 marks

Canadian Association of Medical Radiation Technologists | Association canadiennes des technologues en radiation médicale

Assignment 6 | CT-Guided Procedures3

INSTRUCTIONS

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Assignment 6 | CT-Guided Procedures4

Multiple Choice – Choose & indicate the BEST response. (1 mark each)

1. What percutaneous procedure would provide the best histological

sample of tissue?

a. Fine Needle Aspiration

b. Core Needle Biopsy

c. Abscess Drainage

d. Facet Injection

2. What technique uses a guide needle to introduce the biopsy needle?

a. Trocar

b. Non-coaxial

c. Coaxial

d. Fine Needle Aspiration

3. What percutaneous technique uses a guide wire to maintain

placement?

a. Seldinger

b. Trocar

c. Fine Needle Aspiration

d. Core Needle Biopsy

4. Which of the following breathing instructions would be preferred

during an apical lung biopsy?

a. Full Inspiration

b. Full Expiration

c. Suspended Respiration

d. Quiet breathing

5. Which CT guidance acquisition method allows personnel to leave

the scan room during needle placement?

a. Helical

b. Sequential

c. CT fluoroscopy

d. Continuous

6. View the image and select the most appropriate conclusion:

a. The needle tip artifact is visible in this image

b. The needle tip artifact is not visible in this image

Assignment 6 | CT-Guided Procedures5

Instructor Feedback:

9. In your own words, discuss how patient cooperation and health status would impact the success of CT guided intervention? (3 marks)

7. Who is responsible for selecting the modality to be used during

the percutaneous intervention?

a. CT technologist

b. CT booking clerk

c. Interventional Radiologist

d. Ordering physician

8. Why are radiopaque skin markers placed on the patient?

a. To show the radiologist where the pathology is located

b. To help the radiologist plan the skin entrance location

Assignment 6 | CT-Guided Procedures6

Instructor Feedback:

10. Briefly describe the process of using coaxial technique for obtaining a Core Needle Biopsy specimen. (2 marks)

Assignment 6 | CT-Guided Procedures7

Instructor Feedback:

11. In your own words, provide a brief description of an interventional procedure performed at your facility (or another facility if they are not performed at your site). Include what information is required before starting the procedure, what is required of the staff and patient during the procedure and any post-procedural instructions, if any. (2 marks)

Assignment 6 | CT-Guided Procedures8

Your comments or suggestions: