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| *[[Prostatic adenocarcinoma]]. | | *[[Prostatic adenocarcinoma]]. |
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| ==Intraductal carcinoma of the prostate== | | =Prostate cancer= |
| *[[AKA]] ''intraductal carcinoma''.
| | {{Main|Prostate cancer}} |
| *[[AKA]] ''intraductal prostate carcinoma''.
| | This is a big topic that is dealt with in its own article. |
| ===General===
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| *Associated with a poor prognosis.<ref name=pmid19246509>{{Cite journal | last1 = Henry | first1 = PC. | last2 = Evans | first2 = AJ. | title = Intraductal carcinoma of the prostate: a distinct histopathological entity with important prognostic implications. | journal = J Clin Pathol | volume = 62 | issue = 7 | pages = 579-83 | month = Jul | year = 2009 | doi = 10.1136/jcp.2009.065003 | PMID = 19246509 }}</ref>
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| *Strong association with aggressive invasive carcinomas on prostatectomy when identified in isolation on biopsy.<ref name=pmid20723921>{{Cite journal | last1 = Robinson | first1 = BD. | last2 = Epstein | first2 = JI. | title = Intraductal carcinoma of the prostate without invasive carcinoma on needle biopsy: emphasis on radical prostatectomy findings. | journal = J Urol | volume = 184 | issue = 4 | pages = 1328-33 | month = Oct | year = 2010 | doi = 10.1016/j.juro.2010.06.017 | PMID = 20723921 }}</ref>
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| ===Microscopic===
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| Features:
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| *Malignant cells in glands with basal cells - '''key feature'''.
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| **Two cell populations:
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| **#Obviously malignant cells with enlarged nuclei, granular chromatin, hyperchromasia and nucleoli.
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| **#Cells with pale cytoplasm and smaller nuclei.
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| DDx:
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| *[[HGPIN]].
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| ===IHC===
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| Features - basal cells present:
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| *HMWK +ve.
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| =See also= | | =See also= |