Table 1. Studies with regard to Bcl-2 expression in RCC.
| Author (year) | Number of patients | Bcl-2 positive | Bcl-2 positive in clear cell cases | Others |
|---|---|---|---|---|
| Lipponen et al (1995) | 104 | 21/104 (20.2%) | NAa | Bcl-2 expression was related to low T category |
| Tomita et al (1996) | 25 | 17/25 (68.0%) | NA | |
| Vasavada et al (1998) | 35 | 33/35 (94.2%) | 26/28 (92.9%) | Bcl-2 expression was related to high tumour grade |
| Huang et al (1999) | 33 | 23/33 (69.7%) | NA | |
| Sejima (1999) | 53 | 34/53 (64.2%) | NA | |
| Zhang (2000) | 70 | 24/70 (34.3%) | 19/56 (33.9%) | |
| Uchida et al (2002) | 112 | 52/112 (42.0%) | NA |
a
Not assessed.