Nodular hyperplasia of the prostate

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Nodular hyperplasia of the prostate, also benign prostatic hyperplasia (abbreviated BPH), is a common benign pathology of the prostate gland.

it is also known as prostatic nodular hyperplasia. Occasionally, it is referred to as benign prostatic hypertrophy; this is a misnomer. This pathology is not a hypertrophy.

General

  • Very common.
  • Incidence increases with age.

Clinical - mnemonic I WISH 2p:[1]

  • Intermittency.
  • Weak stream.
  • Incomplete emptying.
  • Straining.
  • Hesitancy.
  • Post-void dribbling.
  • Prolonged voiding.

Treatment:

  • Medications.
  • Transurethral resection of the prostate (TURP).

Gross

  • Enlargement of the prostate.
  • Nodularity of the prostate.

Microscopic

Features:

  • Stromal and/or glandular hyperplasia.

Note:

  • Should not be diagnosed on core biopsy!

DDx:

Images

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Urothelium present

PROSTATE TISSUE, TRANSURETHRAL RESECTION OF THE PROSTATE (TURP):
- BENIGN PROSTATIC TISSUE WITH GLANDULAR AND STROMAL PROLIFERATION.
- UROTHELIAL MUCOSA WITH A MILD LYMPHOCYTIC INFILTRATE.
- NEGATIVE FOR MALIGNANCY.
PROSTATE TISSUE, TRANSURETHRAL RESECTION OF THE PROSTATE (TURP) AND URINARY BLADDER NECK:
- BENIGN PROSTATIC TISSUE WITH GLANDULAR AND STROMAL PROLIFERATION.
- UROTHELIUM WITH THE CHANGES OF CYSTITIS CYSTICA ET GLANDULARIS.
- NEGATIVE FOR MALIGNANCY.
PROSTATE TISSUE, TRANSURETHRAL RESECTION OF THE PROSTATE (TURP) AND URINARY BLADDER NECK:
- BENIGN PROSTATIC TISSUE WITH GLANDULAR AND STROMAL PROLIFERATION, AND FOCAL 
  ACUTE AND CHRONIC INFLAMMATION.
- UROTHELIUM WITH THE CHANGES OF CYSTITIS CYSTICA ET GLANDULARIS.
- NEGATIVE FOR MALIGNANCY.

No urothelium present

PROSTATE GLAND, TRANSURETHRAL RESECTION OF THE PROSTATE (TURP):
- BENIGN PROSTATIC TISSUE WITH GLANDULAR AND STROMAL PROLIFERATION.

Post-TURP granuloma present

PROSTATE TISSUE, TRANSURETHRAL RESECTION OF THE PROSTATE (TURP):
- BENIGN PROSTATIC TISSUE WITH GLANDULAR AND STROMAL PROLIFERATION WITH 
PROMINENT BLOOD VESSELS AND SQUAMOUS METAPLASIA.
- PALISADING GRANULOMA WITH NECROTIC CORE, SEE COMMENT.
- UROTHELIAL MUCOSA WITH A MILD INFLAMMATORY INFILTRATE.
- NEGATIVE FOR MALIGNANCY.

COMMENT:
This is morphologically consistent with a post-TURP granuloma.

See also

References

  1. Shiau, Carolyn; Toren, Andrew (2006). Toronto Notes 2006: Comprehensive Medical Reference (Review for MCCQE 1 and USMLE Step 2) (22nd edition (2006) ed.). Toronto Notes for Medical Students, Inc.. pp. U5. ISBN 978-0968592861.