Table 1.

Frequency of ALK mutations in neuroblastoma

	Bresler et al.	De Brouwer et al.
Number of neuroblastoma investigated	1596	709
Number of neuroblastoma with ALK mutations (%)	126 (8)	49 (6.9)
Number of ALK‐F1174L/V/S/I/C (% of ALK‐positive)	38 (30)	17 (34.7)
Number of ALK‐F1245C/I/L/V (% of ALK‐positive)	15 (12)	3 (6.1)
Number of ALK‐R1275L/Q (% of ALK‐positive)	54 (43)	24 (49)

ALK, anaplastic lymphoma kinase.

Percentage of ALK‐F1174, ALK‐F1245, ALK‐R1275 mutations in the neuroblastoma patient population is shown. Data from 58, 86.