Prostatic-type polyp

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Prostatic-type polyp
Diagnosis in short

Prostatic-type polyp. H&E stain. (WC/Nephron)

LM benign prostatic type epithelium or transitional type epithelium +/-corpora amylacea
LM DDx prostatic ductal carcinoma
IHC PSA +ve
Site urethra/prostate gland - verumontanum

Signs hematuria
Prevalence very rare
Prognosis benign

Prostatic-type polyp is an uncommon polyp of the genitourinary tract. It is typically centered on the verumontanum of the prostate gland and projects into the urethra.

General

  • Hematuria - classic presentation.[1]
  • Uncommon - as a separate specimen.

Microscopic

Features:[2]

  • Benign prostatic type epithelium or transitional type epithelium.
    • Cuboidal to low columnar cells with basal cell layer.
    • +/-Corpora amylacea.

DDx:

Images

IHC

See also

References

  1. 1.0 1.1 Chan, JK.; Chow, TC.; Tsui, MS. (Aug 1987). "Prostatic-type polyps of the lower urinary tract: three histogenetic types?". Histopathology 11 (8): 789-801. PMID 2442088.
  2. 2.0 2.1 Amin, Mahul B.; Eble, John; Grignon, David; Srigley, John. (2013). Urological Pathology (1st ed.). Wolters Kluwer. pp. 470. ISBN 978-0781782814.
  3. Amin, Mahul B.; Eble, John; Grignon, David; Srigley, John. (2013). Urological Pathology (1st ed.). Wolters Kluwer. pp. 471. ISBN 978-0781782814.