sinonasal renal cell-like adenocarcinoma

Sinonasal renal cell-like adenocarcinoma grows as nests and follicles of cells with abundant, optically clear cytoplasm.

Unlike true renal cell carcinoma, however, sinonasal renal cell-like adenocarcinoma is often positive for S100 and is always negative for the renal-specific marker PAX-8

Images

 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4746135/figure/Fig5/

Open references

 Newly Described Tumor Entities in Sinonasal Tract Pathology.
Bishop JA.
Head Neck Pathol. 2016 Mar;10(1):23-31. doi : 10.1007/s12105-016-0688-7. Epub 2016 Feb 1. Review
PMID: 26830406 Free