Table 1.

Clinicopathological and selected genetic features of the 13 breast adenomyoepitheliomas included in this study

Case ID	ER status	PIK3CA status	AKT1 status	PIK3R1 status	HRAS status	Oncogenic fusion genes by RNA sequencing	PLAG1/ HMGA2 rearrangement by FISH
AM1	Negative	MUT	WT	WT	MUT	NT	Negative
AM4	Negative	MUT	WT	WT	MUT	NT	Negative
AM8	Negative	MUT	WT	WT	MUT	NT	Negative
AM11	Negative	MUT	WT	NT	MUT	NT	Negative
AM5	Negative	WT	WT	MUT	MUT	NT	Negative
AM7	Negative	MUT	WT	WT	WT	None	Negative
AM2	Positive	MUT	WT	WT	WT	None	Negative
AM3	Positive	MUT	WT	WT	WT	None	Negative
AM12	Positive	MUT	WT	NT	WT	NT	Negative
AM13	Positive	MUT	WT	NT	WT	NT	Negative
AM17	Positive	MUT	WT	NT	WT	NT	Negative
AM16	Positive	WT	WT	NT	WT	HMGA2-WIF1	Positive (HMGA2)
AM6	Positive	WT	WT	WT	WT	None	Negative

ER estrogen receptor, MUT mutant, NT not tested, WT wild-type