Table 2. Ultrasound features of patients with TARTs compared to other testicular masses.
| TART patients (n=16), n (%) or mean (SD) |
Control group (other testicular masses) (n=16), n (%) or mean (SD) | P | |
|---|---|---|---|
| Testicular US appearance | 0.069 | ||
| Homogeneous | 13 (81.3) | 16 (100.0) | |
| Heterogeneous | 3 (18.7) | 0 | |
| Right testicle volume (cc) | 10.7 (2.4) | 10.6 (1.4) | 0.466 |
| Left testicle volume (cc) | 11.5 (2.5) | 11 (1.5) | 0.347 |
| Concomitant varicocele | 4 (25.0) | 7 (43.8) | 0.264 |
| Concomitant hydrocele | 6 (37.5) | 4 (25.0) | 0.446 |
| No. of testicular lesions per patient | <0.001 | ||
| 1 | 0 | 15 (93.8) | |
| 2 | 8 (50.0) | 1 (6.2) | |
| 3 | 3 (18.8) | 0 | |
| 4 | 1 (6.2) | 0 | |
| 5 | 2 (12.5) | 0 | |
| 6 | 2 (12.5) | 0 | |
| No. of right testicular lesions | |||
| 1 | 10 (62.5) | 5 (31.3) | 0.002 |
| 2 | 4 (25.0) | 0 | |
| 3 | 1 (6.2) | 0 | |
| No. of left testicular lesions | 0.070 | ||
| 1 | 10 (62.5) | 12 (75.0) | |
| 2 | 1 (6.2) | 0 | |
| 3 | 3 (18.7) | 0 | |
| 4 | 1 (6.3) | 0 | |
| 5 | 1 (6.3) | 0 | |
| Bilateral lesions | 15 (93.8) | 1 (6.2) | <0.001 |
| Location of largest lesion | 0.013 | ||
| Upper third | 1 (6.25) | 3 (18.8) | |
| Medium third | 14 (87.5) | 6 (37.5) | |
| Lower third | 1 (6.25) | 7 (43.7) | |
| Maximum lesion diameter (mm) | 16.2 (16.9) | 13.9 (1.1) | 0.550 |
| Testicular lesion echogenicity | 0.827 | ||
| Hypoechoic | 10 (62.5) | 11 (68.8) | |
| Hyperechoic | 2 (12.5) | 1 (6.2) | |
| Isoechoic | 0 | 0 | |
| Heterogeneous | 4 (25.0) | 4 (25.0) | |
| Testicular lesion morphology | 0.723 | ||
| Oval | 8 (50.0) | 9 (56.3) | |
| Irregular | 8 (50.0) | 7 (43.7) | |
| Intra-lesional signal on CD | 12 (75.0) | 11 (68.8) | 0.694 |
| CEUS appearance | 1 | ||
| Hyperenhancement | 13 (81.2) | 13 (81.2) | |
| Isoenhancement | 3 (18.8) | 3 (18.8) | |
| Hypoenhancement | – | – |
TART, testicular adrenal rest tumor; SD, standard deviation; US, ultrasound; CD, color Doppler; CEUS, contrast-enhanced US.