- Arises in transition zone
- Hyperplasia of prostatic tissue
- Variable degrees of glandular, muscular and fibrous components
- Heterogeneity of hypertrophy seen as varying signals in T2 and variable diffusivity
- Nodules may grow exophytically to protrude into peripheral zone
- Dynamic contrast enhanced MRI shows rich vascular areas interspersed with variable vascular areas.
Kahn, T., et al. “Prostatic carcinoma and benign prostatic hyperplasia: MR imaging with histopathologic correlation.” Radiology 173.3 (1989): 847-851.
Thorpe, A., and D. Neal. “Benign prostatic hyperplasia.” The Lancet 361.9366 (2003): 1359-1367.