Fascicles of spindle-epithelioid cells
Pale amphophilic cytoplasm
Ovoid- nuclei with moderate pleomorphism; mitotic activity
RNA-seq: NR1D1::MAML2 gene fusion
PMID: 32474730, 35168293, 38084644
Sheets of polygonal-epithelioid cells
Pale amphophilic cytoplasm
Ovoid-reniform nuclei with prominent nucleoli and mild pleomorphism; mitotic activity
RNA-seq: NR1D1::MAML2 gene fusion
PMID: 32474730, 35168293, 38084644
Spindle-polygonal cells in fascicular-storiform-whorled pattern
Pale eosinophilic cytoplasm
Ovoid-reniform nuclei with mild pleomorphism; occasional mitotic activity
RNA-seq: NR1D1::MAML2 gene fusion
PMID: 32474730, 35168293, 38084644