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| =Benign= | | =Benign= |
| ==Benign mesothelial inclusion cyst==
| | *[[Benign mesothelial inclusion cyst]] - may mimic a tumour. |
| ===Epidemiology===
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| *Assoc. with previous surgery.
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| *May be found incidentally, e.g. during C-section.
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| ===Gross===
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| *May mimic mucinous tumour - to unexperienced.<ref>GAG 26 Feb 2009.</ref>
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| *Thin-wall.<ref name=pmid16092670>{{cite journal |author=Urbanczyk K, Skotniczny K, Kucinski J, Friediger J |title=Mesothelial inclusion cysts (so-called benign cystic mesothelioma)--a clinicopathological analysis of six cases |journal=Pol J Pathol |volume=56 |issue=2 |pages=81-7 |year=2005 |pmid=16092670 |doi= |url=}}</ref>
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| *Clear/translucent fluid.
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| ===Microscopic===
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| Features:
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| *Benign mesothelium.
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| **Single layer of squamoid or cuboid mesothelial cells.<ref name=pmid16092670/>
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| ===[[IHC]]===
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| *[[CK]] +ve, [[calretinin]] +ve.<ref name=pmid16092670/>
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| =See also= | | =See also= |