Table 1.

Tumor histologic subtype and parafibromin/CDC73 status

Tumor number	Histologic subtype	Parafibromin staining	CDC73 mutation
1	ossifying fibroma	-	c.1A > G
2	Juvenile ossifying fibroma	+
3	cemento-ossifying fibroma	-	c.44delA
4	cemento-ossifying fibroma	+
5	cemento-ossifying fibroma	- nuclear + cytoplasmic
6	cemento-ossifying fibroma	+
7	Juvenile ossifying fibroma	+	c.64G > A‡
8	ossifying fibroma	+
9	cemento-ossifying fibroma	-

‡ low allelic fraction variant.