Table 3.
Clinical and pathological features of metastatic and non-metastatic adult granulosa cell tumors
| Metastatic adult tGrCT, n = 7 (%) | Non-metastatic adult tGrCT, n = 66 (%) | P value | |
|---|---|---|---|
| Age (years) | Available 7/7 | Available 66/66 | |
| Mean (± SD) | 45 (± 14) | 42 (± 19) | 0.659 |
| < 50 years | 3 (43) | 35 (53) | |
| ≥ 50 years | 4 (57) | 31 (47) | 0.223 |
| Tumor size (mm) | Available 6/7 | Available 59/66 | |
| Median (IQR) | 70 (51–90) | 24 (14–42) | 0.001 |
| < 46 mm | 0 (0) | 49 (83) | |
| ≥ 46 mm | 6 (100) | 10 (17) | < 0.001 |
| Tumor markers | Available 7/7 | Available 35/66 | |
| APF | 0 (0) | 1 (2) | |
| HCG | 0 (0) | 1 (2) | |
| LDH | 0 (0) | 1 (2) | |
| Clinical presentation | Available 7/7 | Available 35/66 | |
| Median time to diagnosis | 7 months | 24 months | 0.364 |
| Testicular enlargement | 3 (43) | 18 (27) | 0.754 |
| Palpable mass | 2 (29) | 13 (20) | 0.960 |
| Gynecomastia | 2 (29) | 2 (3) | 0.019 |
| Incidental finding | 1 (14) | 2 (3) | 0.453 |
| Hormonal changes | 1 (14) (T↓, FSH/LH↑) | 2 (3) | 0.102 |
| Infertility | 0 (0) | 0 (0) | – |
| Scrotal pain | 0 (0) | 6 (9) | 0.316 |
| Pathology features | Available: 7/7 | Available: 47/66 | |
| Angiolymphatic invasion | 4 (57) | 2 (4) | 0.002 |
| Necrosis | 2 (29) | 4 (9) | 0.115 |
| Pleomorphism | 2 (29) | 5 (11) | 0.103 |
| High mitotic index | 2 (29) | 8 (17) | 0.109 |
| Extracapsular growth | 2 (29) | 2 (4) | 0.771 |
| Infiltrating margins | 1 (14) | 0 (0) | 0.299 |
| Atypias | 0 (0) | 1 (2) | 0.3 |
| Staining | |||
| Inhibin | 4 (57) | 13 (28) | 0.641 |
| Vimentin | 3 (43) | 23 (49) | 0.148 |
| Calretinin | 0 (0) | 8 (17) | – |
Normally distributed continuous variables were analyzed using the independent samples t test. The Mann–Whitney U test was used for non-normally distributed continuous variables. The Chi-square test was used for categorical variables
SD standard deviation, tGrCT testicular granulosa cell tumor, IQR inter quartile range, AFP alpha fetoprotein, HCG human chorionic gonadotropin, LDH lactate dehydrogenase