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Difference between revisions of "Adenoid cystic/basal cell carcinoma of the prostate"
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Adenoid cystic/basal cell carcinoma of the prostate (view source)
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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = Adenoid cystic basal cell carcinoma of the prostate -- intermed mag.jpg | |||
| Width = | |||
| Caption = Adenoid cystic/basal cell carcinoma of the prostate. [[H&E stain]]. | |||
| Synonyms = | |||
| Micro = | |||
| Subtypes = | |||
| LMDDx = adenoid cystic-like [[Basal cell hyperplasia of the prostate|basal cell hyperplasia]] | |||
| Stains = | |||
| IHC = BCLA2 +ve, Ki-67 >20, HER2 +ve | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = | |||
| Grossing = [[prostate biopsy]], [[prostate chips]], [[radical prostatectomy]] | |||
| Staging = [[prostate cancer staging]] | |||
| Site = [[prostate gland]] | |||
| Assdx = | |||
| Syndromes = | |||
| Clinicalhx = | |||
| Signs = | |||
| Symptoms = | |||
| Prevalence = very rare | |||
| Bloodwork = | |||
| Rads = | |||
| Endoscopy = | |||
| Prognosis = usually good | |||
| Other = | |||
| ClinDDx = | |||
| Tx = | |||
}} | |||
'''Adenoid cystic/basal cell carcinoma of the prostate''', abbreviated '''ACBCC''', is a rare from of [[prostate cancer]] that resembles [[adenoid cystic carcinoma]] and [[basal cell carcinoma]]. | |||
It is also known as '''adenoid cystic carcinoma of the prostate'''.<ref name=pmid15371944/> | |||
==General== | |||
*Rare. | |||
*Typically indolent - may be aggressive.<ref name=pmid14657711>{{Cite journal | last1 = Iczkowski | first1 = KA. | last2 = Ferguson | first2 = KL. | last3 = Grier | first3 = DD. | last4 = Hossain | first4 = D. | last5 = Banerjee | first5 = SS. | last6 = McNeal | first6 = JE. | last7 = Bostwick | first7 = DG. | title = Adenoid cystic/basal cell carcinoma of the prostate: clinicopathologic findings in 19 cases. | journal = Am J Surg Pathol | volume = 27 | issue = 12 | pages = 1523-9 | month = Dec | year = 2003 | doi = | PMID = 14657711 }}</ref> | |||
==Microscopic== | |||
Features: | |||
*[[Adenoid cystic carcinoma]]-like and [[basal cell adenoma]]-like: | |||
**Nests of cells that have round spaces filled by whispy blue mucin. | |||
**Dense collagenous stroma. | |||
DDx: | |||
*Adenoid cystic-like [[Basal cell hyperplasia of the prostate|basal cell hyperplasia]]<ref name=pmid15371944>{{Cite journal | last1 = McKenney | first1 = JK. | last2 = Amin | first2 = MB. | last3 = Srigley | first3 = JR. | last4 = Jimenez | first4 = RE. | last5 = Ro | first5 = JY. | last6 = Grignon | first6 = DJ. | last7 = Young | first7 = RH. | title = Basal cell proliferations of the prostate other than usual basal cell hyperplasia: a clinicopathologic study of 23 cases, including four carcinomas, with a proposed classification. | journal = Am J Surg Pathol | volume = 28 | issue = 10 | pages = 1289-98 | month = Oct | year = 2004 | doi = | PMID = 15371944 }}</ref> - BCL2 -ve, Ki-67 low.<ref name=pmid9865831/> | |||
===Images=== | |||
<gallery> | |||
Image: Adenoid cystic basal cell carcinoma of the prostate -- intermed mag.jpg | ADBCC - intermed. mag. | |||
Image: Adenoid cystic basal cell carcinoma of the prostate - alt -- intermed mag.jpg | ADBCC - intermed. mag. | |||
Image: Adenoid cystic basal cell carcinoma of the prostate -- high mag.jpg | ADBCC - high mag. | |||
Image: Adenoid cystic basal cell carcinoma of the prostate -- very high mag.jpg | ADBCC - very high mag. | |||
</gallery> | |||
<!-- | |||
Images: | |||
*[http://www.webpathology.com/image.asp?case=23&n=15 Adenoid basal cell tumour (webpathology.com)]. | |||
*[http://www.webpathology.com/image.asp?case=23&n=16 Adenoid basal cell tumour (webpathology.com)]. | |||
--> | |||
==IHC== | |||
*HER2/neu +ve (strong).<ref name=pmid17142577>{{Cite journal | last1 = Iczkowski | first1 = KA. | last2 = Montironi | first2 = R. | title = Adenoid cystic/basal cell carcinoma of the prostate strongly expresses HER-2/neu. | journal = J Clin Pathol | volume = 59 | issue = 12 | pages = 1327-30 | month = Dec | year = 2006 | doi = 10.1136/jcp.2005.035147 | PMID = 17142577 }}</ref> | |||
*CK34betaE12 +ve ([[Adenoid cystic carcinoma|AdCC]] component).<ref name=pmid15371944/> | |||
*BCL2 +ve.<ref name=pmid9865831>{{Cite journal | last1 = Yang | first1 = XJ. | last2 = McEntee | first2 = M. | last3 = Epstein | first3 = JI. | title = Distinction of basaloid carcinoma of the prostate from benign basal cell lesions by using immunohistochemistry for bcl-2 and Ki-67. | journal = Hum Pathol | volume = 29 | issue = 12 | pages = 1447-50 | month = Dec | year = 1998 | doi = | PMID = 9865831 }}</ref> | |||
*Ki-67 >20%.<ref name=pmid9865831/> | |||
==See also== | |||
*[[Prostate cancer]]. | |||
*[[Adenoid cystic carcinoma]]. | |||
*[[Basal cell carcinoma]]. | |||
==References== | |||
{{Reflist|1}} | |||
[[Category:Diagnosis]] | [[Category:Diagnosis]] | ||
[[Category:Prostate carcinoma]] | |||