Characteristics and Patterns of Metastatic Disease from Chordoma

Table 1

Patient characteristics		(%)
Total number		219
Gender	Male	137 (63)
	Female	81 (37)
Age (years)	Median	57
	Range	3–88
Age quartiles	Q1: (3–24 yrs)	9 (4.1)
	Q2: (25–46 yrs)	49 (22.4)
	Q3: (47–68 yrs)	116 (53)
	Q4: (69–88 yrs)	45 (20.5)
Presenting site	Clivus	4 (1.8)
	Cervical spine	22 (10.0)
	Lumbar spine	38 (17.4)
	Thoracic spine	16 (7.3)
	Sacrum	133 (60.7)
	Multiple	4 (1.8)
Extension of disease	Primary only	107 (47.4)
	Recurrent (−) metastasis	73
	Recurrent (+) metastasis	26
	Total locally residual/recurrent disease	99 (45.2)
	Metastasis (+) local recurrence	26
	Metastasis (−) local recurrence	13
	Total metastatic	39 (17.8%)