Research Article

The Expression of Snail, Galectin-3, and IGF1R in the Differential Diagnosis of Benign and Malignant Pheochromocytoma and Paraganglioma

Table 2

Snail IHC expression in PPGLs.

Negative ( (%))Weakly positive ( (%))Intermediately positive ( (%))Strongly positive ( (%))

Benign PHEO ()60 (62.5)30 (31.3)5 (5.2)1 (1.0)
Benign PGL ()13 (34.2)11 (28.9)8 (21.1)6 (15.8)37.121<0.001
Potentially malignant PPGL ()15 (19.2)32 (41.0)18 (23.1)13 (16.7)
Malignant PPGL ()3 (21.4)0 (0)2 (14.3)9 (64.3)