Table 2.

Histopathologic features and frequencies in the prostate of ARR2PB-c-myc transgenic mice

Age (mo)nWild-typenARR2PB–c-myc
3–422/2 normal42/4 normal
2/4 mPIN
6–81211/12 normal224/22 normal
1/12 focal hyperplasia18/22 mPIN
2/22 microinvasive adenocarcinoma
5/22 mucinous metaplasia
12–1498/9 normal98/9 mPIN
1/9 focal hyperplasia1/9 microinvasive adenocarcinoma
4/9 mucinous metaplasia
≥1533/3 normal64/6 mPIN
2/6 microinvasive adenocarcinoma
2/6 mucinous metaplasia