Difference between revisions of "Prostatic-type polyp"

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'''Prostatic-type polyp''' is an uncommon polyp of the [[genitourinary pathology|genitourinary tract]].  It is typically centered on the verumontanum of the [[prostate gland]] and projects into the [[urethra]].  
'''Prostatic-type polyp''' is an uncommon polyp of the [[genitourinary pathology|genitourinary tract]].  It is typically centered on the verumontanum of the [[prostate gland]] and projects into the [[urethra]].  
It may be referred to as '''verumontanum mucosa gland hyperplasia''' (abbreviated '''VMGH''');<ref name=pmid7802135>{{Cite journal  | last1 = Gagucas | first1 = RJ. | last2 = Brown | first2 = RW. | last3 = Wheeler | first3 = TM. | title = Verumontanum mucosal gland hyperplasia. | journal = Am J Surg Pathol | volume = 19 | issue = 1 | pages = 30-6 | month = Jan | year = 1995 | doi =  | PMID = 7802135 }}</ref> however, Muezzinoglu ''et al.'' suggest they are a separate entity.<ref name=pmid11231483>{{Cite journal  | last1 = Muezzinoglu | first1 = B. | last2 = Erdamar | first2 = S. | last3 = Chakraborty | first3 = S. | last4 = Wheeler | first4 = TM. | title = Verumontanum mucosal gland hyperplasia is associated with atypical adenomatous hyperplasia of the prostate. | journal = Arch Pathol Lab Med | volume = 125 | issue = 3 | pages = 358-60 | month = Mar | year = 2001 | doi = 10.1043/0003-9985(2001)125<0358:VMGHIA>2.0.CO;2 | PMID = 11231483 }}</ref>


==General==
==General==

Revision as of 19:56, 30 December 2016

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.
    • Relatively common in prostatectomy specimens if one looks for it; 14% of cases in series of 341 cases.[2]

Microscopic

Features:[3]

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

DDx:

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. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named pmid7802135
  3. ↑ 3.0 3.1 Amin, Mahul B.; Eble, John; Grignon, David; Srigley, John. (2013). Urological Pathology (1st ed.). Wolters Kluwer. pp. 470. ISBN 978-0781782814.
  4. ↑ Amin, Mahul B.; Eble, John; Grignon, David; Srigley, John. (2013). Urological Pathology (1st ed.). Wolters Kluwer. pp. 471. ISBN 978-0781782814.
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