Benign prostatic hyperplasia

  • 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.  
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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.