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==Molecular== | ==Molecular== | ||
*TFE3 gene | *TFE3 gene rearrangements - present in subset of cases. | ||
**Typically younger patients.<ref name=pmid20871214>{{cite journal |vauthors=Argani P, Aulmann S, Illei PB, Netto GJ, Ro J, Cho HY, Dogan S, Ladanyi M, Martignoni G, Goldblum JR, Weiss SW |title=A distinctive subset of PEComas harbors TFE3 gene fusions |journal=Am J Surg Pathol |volume=34 |issue=10 |pages=1395–406 |date=October 2010 |pmid=20871214 |doi=10.1097/PAS.0b013e3181f17ac0 |url=}}</ref> | |||
**Epithelioid morphology.<ref name=pmid20871214/> | |||
**Minimal staining with muscle markers.<ref name=pmid20871214/> | |||
==See also== | ==See also== |
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