Image-guided biopsy using 25 to 27 gauge needle for cytology
Expansion
Fine Needle Aspiration
Purpose
Minimally invasive sampling for nodule evaluation
Clinical Context
Fine needle aspiration uses 25 to 27 gauge needle, cytology obtained. Low complication rate. Less tissue than core needle biopsy. Bethesda classification for thyroid fine needle aspiration.
Related Terms
- Core needle biopsy
- Biopsy
Key Points
- “Fine needle aspiration: rapid, low complication rate, but lower cellularity than core needle biopsy; higher non-diagnostic rate”