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Snail IHC expression in PPGLs.
| Negative (n (%)) | Weakly positive (n (%)) | Intermediately positive (n (%)) | Strongly positive (n (%)) | X 2 | P | |
|---|---|---|---|---|---|---|
| Benign PHEO (n = 96) | 60 (62.5) | 30 (31.3) | 5 (5.2) | 1 (1.0) | ||
| Benign PGL (n = 38) | 13 (34.2) | 11 (28.9) | 8 (21.1) | 6 (15.8) | 37.121 | <0.001 |
| Potentially malignant PPGL (n = 78) | 15 (19.2) | 32 (41.0) | 18 (23.1) | 13 (16.7) | ||
| Malignant PPGL (n = 14) | 3 (21.4) | 0 (0) | 2 (14.3) | 9 (64.3) |
