A Case of Buccal Clear Cell Carcinoma Caused by Rare Fusion Gene: EWSR1-CREM

Table 2

Pathological findings and diagnostic methods of previously reported cheek or buccal mucosa CCC cases.

Authors	Findings						Diagnosis
	Solid sheets	Nests	Cords	Trabeculae	Hyalinizing stroma	Ducts and gland-like spaces
Simpson et al. [14]	+	+	+	NA	+	NA	IHC, EMS
T Hiroki [15]	+	NA	NA	NA	+	+	IHC, EMS
Milchgrub et al. [16]	NA	+	+	+	+	NA	FNA
O’Sullivan-Mejia et al. [17]	NA	+	+	+	+	NA	IHC
Solar et al. [9]	+	+	+	+	+	NA	IHC
Onoda et al. [11]	+	NA	+	NA	+	NA	IHC
Shah et al. [18]	+	+	NA	+	+	NA	IHC, FISH
	+	+	NA	+	+	NA	IHC, FISH
Yamanishi et al. [3]	+	+	+	+	+	NA	IHC, RT-PCR
Albergotti et al. [19]	NA	+	+	NA	+	NA	FISH
Hernandez-Prera [20]	+	+	NA	+	+	NA	IHC, FISH
Present study	+	+	+	+	+	+	IHC, FISH