Table 2.

PTEN expression by prostate cancer Gleason pattern/morphology

Grade	n (%)
Gleason 3, n = 132
No loss	40/95 (42.1)
Heterogeneous loss	23/95 (24.2)
Homogenous loss	32/95 (33.7)
Not performed	37/132 (28.0)
Gleason 4 cribriform, n = 113
No loss	40/112 (35.7)
Heterogeneous loss	31/112 (27.7)
Homogenous loss	41/112 (36.6)
Not performed	1/113 (0.88)
Gleason 4 poorly formed, n = 141
No loss	54/141 (38.3)
Heterogeneous loss	31/141 (22.0)
Homogenous loss	56/141 (39.7)
Not performed	0/141 (0.0)
Gleason 4 glomeruloid, n = 51
No loss	31/49 (63.2)
Heterogeneous loss	8/49 (16.3)
Homogenous loss	10/49 (20.4)
Not performed	2/51 (3.92)
Intraductal carcinoma, n = 38
No loss	5/35 (14.3)
Heterogeneous loss	6/35 (17.1)
Homogenous loss	24/35 (68.6)
Not performed	3/38 (7.89)

PTEN, phosphatase and tensin homologue.