Nonvascular Interventional Radiology Flashcards
1
Q
Image guidance
A
- US guidance
- Fluoroscopy guidance
- CT guidance
- MR guidance
- Fusion imaging guidance
2
Q
How do we decide what modality to use for image guided biopsy?
A
We use the modality that best showed the lesion that we are trying to reach
3
Q
What is FNAB most used for?
A
- Thyroid nodules
- Lymph nodes
- In case of tumor suspicion when core biopsy isn’t available
4
Q
What is the gauge of the needle used in FNAB?
A
21-23G
5
Q
What is the major disadvantage of FNAB?
A
It obtains a relatively small sample, and only withdraws cells
6
Q
On what lesions can we use core biopsy?
A
Only on solid lesions
7
Q
What are the drainage methods?
A
- Trocar technique (single step)
- Seldinger technique (two step)
