Table 2.

Results of the cases evaluated by a RT-PCR analysis

No	Age (y)/sex	Site	Diagnosis	TIO	IHC	RT-PCR
						FGF23a/b/c
1	35/F	Popliteal region	Phosphaturic mesenchymal tumor	+	+	+/+/+
2	59/F	Groin	Phosphaturic mesenchymal tumor	+	+	+/+/+
3	59/F	Nasal cavity	Phosphaturic mesenchymal tumor	+	+	NA
4	61/M	Lower leg	Phosphaturic mesenchymal tumor	+	+	NA
5	46/F	Nasal cavity	Phosphaturic mesenchymal tumor	+	+	NA
6	38/F	Foot	Phosphaturic mesenchymal tumor	-	-	+/+/+
7	43/M	Radius	Phosphaturic mesenchymal tumor	-	-	+/+/+
8	57/M	Distal phalanx	Chondromyxoid fibroma		-	NA
9	30/M	Fibula	Chondromyxoid fibroma		-	+/−/+
10	23/M	Patella	Chondroblastoma		-	−/−/-
11	15/M	Humerus	Chondroblastoma		-	−/−/-
12	26/M	Calcaneus	Chondroblastoma		-	−/−/-
13	57/M	Tibia	Chondroblastoma		-	−/−/-
14	74/F	Middle finger	Giant cell tumor of tendon sheath		-	−/−/-
15	66/M	Index finger	Giant cell tumor of tendon sheath		-	−/−/-
16	51/F	Wrist	Giant cell tumor of tendon sheath		-	−/−/-
17	62/F	Femur	Giant cell tumor of bone		-	−/−/-
18	39/M	Femur	Giant cell tumor of bone		-	−/−/-
19	70/F	Femur	Aneurysmal bone cyst		-	−/−/-
20	74/F	Femur	Aneurysmal bone cyst		-	−/−/-
21	71/F	Vertebra	Aneurysmal bone cyst		-	−/−/-
22	20/M	Thigh	Extraskeletal mesenchymal chondrosarcoma		-	−/−/-
23	65/F	Lower leg	Myxoid liposarcoma		-	−/+/−

IHC immunohistochemistry, NA not available, RT-PCR reverse transcription-polymerase chain reaction, TIO tumor-induced osteomalacia