Steps in performing aspiration
| Step | Description |
|---|---|
| 1 | Review prebiopsy images to determine the approach |
| 2 | Obtain informed consent |
| 3 | Obtain scout view |
| 4 | Obtain limited nonenhanced axial views through the lesion |
| 5 | Place skin markers on the line of the image that has best line of sight to the lesion |
| 6 | Repeat scanning to determine the puncture site |
| 7 | Perform sterile preparation of the puncture site |
| 8 | Insert the introducer needle |
| 9 | Repeat scan to verify the position of the introducer needle |
| 10 | Insert the aspiration needle |
| 11 | Verify the position of the needle tips |
| 12 | Place the needle to the edge of the mass |
| 13 | Call cytology department |
| 14 | Perform multiple multidirectional plunges into the mass |
| 15 | Withdraw only the aspiration needle |
| 16 | Submit specimen for analysis |
| 17 | Repeat steps as required on the basis of the cytologic results |