Difference between revisions of "Prostatic-type polyp"

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Prostatic-type polyp (view source)

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{{ Infobox diagnosis
| Name      = {{PAGENAME}}
| Image      = Prostatic-type polyp -- intermed mag.jpg
| Width      =
| Caption    = Prostatic-type polyp. [[H&E stain]]. (WC/Nephron)
| Synonyms  =
| Micro      = benign prostatic type epithelium or transitional type epithelium +/-corpora amylacea
| Subtypes  =
| LMDDx      = [[prostatic ductal carcinoma]]
| Stains    =
| IHC        = PSA +ve
| EM        =
| Molecular  =
| IF        =
| Gross      =
| Grossing  =
| Staging    =
| Site      = [[urethra]]/[[prostate gland]] - verumontanum
| Assdx      =
| Syndromes  =
| Clinicalhx =
| Signs      = hematuria
| Symptoms  =
| Prevalence = very rare
| Bloodwork  =
| Rads      =
| Endoscopy  =
| Prognosis  = benign
| Other      =
| ClinDDx    =
| Tx        =
}}
'''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==
*Hematuria - classic presentation.<ref name=pmid2442088>{{Cite journal  | last1 = Chan | first1 = JK. | last2 = Chow | first2 = TC. | last3 = Tsui | first3 = MS. | title = Prostatic-type polyps of the lower urinary tract: three histogenetic types? | journal = Histopathology | volume = 11 | issue = 8 | pages = 789-801 | month = Aug | year = 1987 | doi =  | PMID = 2442088 }}</ref>
*Hematuria - classic presentation.<ref name=pmid2442088>{{Cite journal  | last1 = Chan | first1 = JK. | last2 = Chow | first2 = TC. | last3 = Tsui | first3 = MS. | title = Prostatic-type polyps of the lower urinary tract: three histogenetic types? | journal = Histopathology | volume = 11 | issue = 8 | pages = 789-801 | month = Aug | year = 1987 | doi =  | PMID = 2442088 }}</ref>
*Uncommon - as a separate specimen.
*Uncommon - as a separate specimen.
**Relatively common in prostatectomy specimens if one looks for it; 14% of cases in series of 341 cases.<ref name=pmid7802135/>


==Microscopic==
==Microscopic==
Line 16: Line 45:
*[[Prostatic ductal carcinoma]].<ref name=Ref_Uropath470/>
*[[Prostatic ductal carcinoma]].<ref name=Ref_Uropath470/>


===Images===
<gallery>
Image: Prostatic-type polyp -- low mag.jpg | PTP - low mag. (WC/Nephron)
Image: Prostatic-type polyp -- intermed mag.jpg | PTP - intermed. mag. (WC/Nephron)
Image: Prostatic-type polyp -- high mag.jpg | PTP - high mag. (WC/Nephron)
Image: Prostatic-type polyp - alt -- low mag.jpg | PTP - low mag. (WC/Nephron)
Image: Prostatic-type polyp - alt -- intermed mag.jpg | PTP - intermed. mag. (WC/Nephron)
Image: Prostatic-type polyp - alt -- high mag.jpg | PTP - high mag. (WC/Nephron)
</gallery>
==IHC==
==IHC==
*PSA +ve.<ref name=Ref_Uropath471>{{Ref Uropath|471}}</ref><ref name=pmid2442088/>
*[[PSA]] +ve.<ref name=pmid2442088/><ref name=Ref_Uropath471>{{Ref Uropath|471}}</ref>


==See also==
==See also==
Michael
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