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==Microscopic== | ==Microscopic== | ||
Features:<ref name=pmid23211292/> | Features:<ref name=pmid23211292/> | ||
* | *Cystis with cuboidal or flat lining epithelium. | ||
**Contiguous with renal collecting ducts. | |||
*Renal parenchyma (renal tubules or glomeruli) with in (cyst) septations. | |||
*+/-Foamy histiocytes. | |||
*+/-Refractile material within the cysts. | |||
Notes - negatives: | |||
*No significant inflammation. | *No significant inflammation. | ||
*No capsule. | |||
*No papillary hyperplasia. | |||
DDx: | DDx: |
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