Table 2.
Clinical characteristics and responses to RFA treatment of the nine patients with adrenal cysts.
| No | Age (yrs.) | Sex | Size (cm) | Location | Comorbidity | Associated symptoms | Indication for RFA | Aspirated fluid | Procedure time (min) | Analgesics (times) | Pain scale (NRS) | VRR (%) | Treatment response | Regrowth | Re-procedure | Duration of follow-up (months) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nature | Volume (cc) | Cytology | ||||||||||||||||
| 1 | 51 | F | 10.8 | Right | Hypertension | None | Recurrence after aspiration | Serous | 300 | Negative for malignancy | 56 | 0 | 0 | 11.2 | Poor | No | Yes (1 times) | 22 |
| 2 | 79 | M | 6.2 | Right | Hypertension | None | Increased size | Serous | 105 | Negative for malignancy | 65 | 1 | 0 | 95.9 | Good | No | No | 19 |
| 3 | 33 | F | 11.6 | Left | None | None | Huge cyst | Serous | 300 | - | 69 | 3 | 5 | 97.9 | Good | No | No | 18 |
| 4 | 18 | F | 6.1 | Left | None | Abdominal pain | Increased size Symptoms | Serosanguinous | 70 | Negative for malignancy | 60 | 1 | 5 | 97.6 | Good | No | No | 16 |
| 5 | 61 | M | 6.8 | Right | Hypertension | None | Increased size | Serosanguinous | 110 | - | 43 | 0 | 0 | 94.9 | Good | No | No | 16 |
| 6 | 36 | F | 21.0 | Right | None | None | Huge cyst | Serous | 2200 | Negative for malignancy | 72 | 4 | 2 | 89.1 | Good | Yes | No | 23 |
| 7 | 48 | F | 13.6 | Left | None | None | Increased size | Serosanguinous | 350 | Negative for malignancy | 71 | 3 | 5 | 86.4 | Good | No | No | 15 |
| 8 | 36 | F | 9 | Left | None | Back pain Flank pain | Increased size Symptoms | Turbid | 300 | - | 60 | 1 | 4 | 44.5 | Intermediate | No | No | 10 |
| 9 | 48 | F | 7 | Left | Hypertension | None | Increased size | Serous | 120 | - | 77 | 0 | 3 | 71.6 | Intermediate | No | No | 16 |
RFA, radiofrequency ablation; VRR, volume reduction rate; NRS, numerical rating scale.