Table 1.

Literature review: Demographics and tumor location.

Reference	Patients	Age (y)	Sex (M:F)	Tumor Location
				Head and Neck	Trunk	Extremity	Intra-abdominal	Multicentric
Faulkner et al. [12]	63	NS	30:33	11	5	39	3	5
Spiegel et al. [48]	18	7	12:6	5	1	12	1	2
Buitendijk et al. [7]	13	4	6:7	5	4	4	0	1
Skapek et al. [26]	10	11	NS	NS	NS	NS	NS	NS
Jabbari et al. [49]	21	13	11:10	4	4	12	1	1
Meazza et al. [13]	94	10	44:50	31	18	38	7	NS

NS = not specified.