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| =Specific diseases= | | =Specific diseases= |
| ==Benign cortical cyst of the kidney== | | ==Benign cortical cyst of the kidney== |
| ===General===
| | {{Main|Benign cortical cyst of the kidney}} |
| *Very common.
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| *Benign.
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| ===Gross===
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| *Thin-walled cyst - usually filled with serous fluid.
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| *Usually unilocular.
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| ===Microscopic===
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| Features:
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| *Simple epithelial lining without atypia.
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| *May have clear cells.
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| Note:
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| *Do ''not'' have clear cells within the wall of the cyst.<ref>{{Ref DDxSPGU|197}}</ref>
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| DDx:
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| *Cystic [[clear cell renal cell carcinoma]].
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| *[[Multicystic renal cell neoplasm of low malignant potential]].
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| ==Autosomal dominant polycystic kidney disease== | | ==Autosomal dominant polycystic kidney disease== |