Benign renal cyst
|
Complex renal cyst
|
| Round or oval |
Irregular contours |
| Echolucent |
Variable echogenicity |
| Thin walled |
Thick walled |
| Clearly delineated |
Ill defined irregular contours |
| smooth contours |
|
| Sharply demarcated |
Posterior wall not clearly demarcated |
| posterior wall |
|
| Sound wave amplification |
No sound wave amplification behind |
| behind the cystic renal |
the cystic renal mass* |
| mass |
|
| Typical lateral extinction |
No lateral extinction of the sound |
| of the sound wave/ |
wave/no lateral shadowing* |
| lateral shadowing |
|
| No calcification |
Calcification* |
| No septa |
Septa* |
| No Doppler signals from |
Doppler signals from within the cyst |
| within the cyst |
|