Tumor-Induced Osteomalacia Caused by Primary Fibroblast Growth Factor 23 Secreting Neoplasm in Axial Skeleton: A Case Report

Table 1

Characteristics of spinal cases of TIO.

Authors, year	Age (yrs), sex	Spinal level	Chemo- and/or radiotherapy	Histological diagnosis	RT-PCR used for FGF-23 tissue expression
(1) Stone et al., 1992 [4]	33, F	T 3-4	Yes	Neuroendocrine tumor	No
(2) Yu et al., 1995 [5]	58, F	C-2	No	PMT	No
(3) Terek and Nielsen, 2001 [6]	14, M	Sacrum	Yes	Osteosarcoma	No
(4) Boriani and Campanacci, 1978 [7]	18, M	Sacrum	Yes	Osteoblastoma	No
(5) Folpe et al., 2004 [8]	32, F	C-1	Yes	Malignant PMTMCT	No
(6) Pirola et al., 2009 [9]	57, M	T-4	No	PMT	No
(7) Mavrogenis et al., 2010 [10]	42, F	Sacrum	No	PMTMCT	Yes
(8) Chua et al., 2008 [11]	34, F	T-3	Yes	Plasmacytoma	No
(9) Sciubba et al., 2009 [12]	56, F	T-8	No	PMT	No
(10) Akhter et al., 2011 [13]	52, M	C-5	No	PMTMCT	Yes
(11) Marshall et al., 2010 [14]	55, F	T-12	No	PMTMCT	No
(12) Present case, 2012	66, F	L-4	No	PMTMCT	Yes

PMTMCT: phosphaturic mesenchymal tumor mixed connective tissue type.
PMT: phosphaturic mesenchymal tumor.
C: cervical, T: thoracic, L: lumbar.
F: female, M: male.