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Line 796: |
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| ==Small cell carcinoma of the prostate gland== | | ==Small cell carcinoma of the prostate gland== |
| {{Main|Small cell carcinoma}} | | {{Main|Small cell carcinoma of the prostate gland}} |
| ===General===
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| *Very rare.<ref name=pmid22110988>{{Cite journal | last1 = Furtado | first1 = P. | last2 = Lima | first2 = MV. | last3 = Nogueira | first3 = C. | last4 = Franco | first4 = M. | last5 = Tavora | first5 = F. | title = Review of small cell carcinomas of the prostate. | journal = Prostate Cancer | volume = 2011 | issue = | pages = 543272 | month = | year = 2011 | doi = 10.1155/2011/543272 | PMID = 22110988 }}</ref>
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| *Most common small cell carcinoma outside of the lung.<ref name=pmid22110988/>
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| *Poor prognosis.
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| *Not graded (ISUP 2005 consensus on [[Gleason score]]<ref name=pmid16096414>{{Cite journal | last1 = Epstein | first1 = JI. | last2 = Allsbrook | first2 = WC. | last3 = Amin | first3 = MB. | last4 = Egevad | first4 = LL. | title = The 2005 International Society of Urological Pathology (ISUP) Consensus Conference on Gleason Grading of Prostatic Carcinoma. | journal = Am J Surg Pathol | volume = 29 | issue = 9 | pages = 1228-42 | month = Sep | year = 2005 | doi = | PMID = 16096414 }}</ref>).
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| ===Microscopic===
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| Features:
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| *Small cells with:
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| **Nuclear moulding.
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| **Stippled chromatin.
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| **High [[NC ratio]].
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| *+/-High-grade acinar adenocarcinoma, i.e. conventional prostate carcinoma, seen in ~50% of cases.<ref name=pmid22110988/>
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| Notes:
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| *Similar to [[small cell carcinoma of the lung]].
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| *High-grade squamoid component favours metastatic [[urothelial carcinoma]].
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| **UCC usu. HWCK +ve.
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| DDx:
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| *[[Small cell carcinoma of the urinary bladder]].
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| *[[Lymphoma]], large cell.
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| *Other [[small round cell tumours]].
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| ====Images====
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| *[http://www.webpathology.com/image.asp?case=23&n=25 SmCC of the prostate - low mag. (webpathology.com)].
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| *[http://www.webpathology.com/image.asp?case=23&n=26 SmCC of the prostate - high mag. (webpathology.com)].
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| *[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3200299/figure/fig1/ SmCC of the prostate - low mag. (nih.gov)].
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| *[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3200299/figure/fig3/ SmCC of the prostate - high mag. (nih.gov)].
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| ===IHC===
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| Features:<ref name=pmid22110988/>
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| *PSA weak +ve/-ve.
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| *Chromogranin +ve.
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| ==Adenoid cystic/basal cell carcinoma of the prostate== | | ==Adenoid cystic/basal cell carcinoma of the prostate== |