Table 1.

Clinical demographics and 7q34 duplication results for the 28 astrocytomas.

ID	Gender	Age	Location	Histology	7q34 duplication	Start	End	Other chromosome 7 CNAs
98‐278†	Male	4 years, 11 months	Cerebellar	Fibrillary	No	N/A	N/A	7q34 distal heterozygous deletion
99‐054	Male	9 years	Cerebellar	JPA	Yes	138,382,997	140,529,535	None
99‐146	Female	6 years	Cerebellar	JPA	Yes	138,148,334	140,028,625	None
99‐173	Female	19 years	Cerebellar	JPA	Yes	138,168,596	140,119,915	Whole chrom. copy number gain
99‐226	Male	2 years, 3 months	Cerebellar	Fibrillary	Yes	138,168,596	140,119,915	None
99‐232	Female	6 years	Cerebellar	JPA	Yes	138,285,049	140,119,915	7q21.13 homozygous deletion; 7q31.2 CN‐LOH
00‐101	Female	16 years	Cerebellar	JPA	No	N/A	N/A	None
00‐123	Female	11 years	R‐parietal	Fibrillary	Yes	138,188,768	140,132,159	None
00‐309	Male	13 years	L‐occipital	Fibrillary	No	N/A	N/A	Tetrasomy; 7p21.3 heterozygous deletion
01‐010	Male	14 years	Cerebellar	JPA	No	N/A	N/A	None
01‐017	Female	5 years, 8 months	Cerebellar	JPA	Yes	138,201,534	140,654,186	None
01‐065	Male	5 years, 11 months	Cerebellar	JPA	Yes	138,151,094	140,426,359	7q34 distal heterozygous deletion
01‐080	Male	3 years, 4 months	Cerebellar	JPA	Yes	138,188,768	140,207,291	7q21.3 homozygous deletion
01‐122	Female	13 years	R‐temporal	Fibrillary	No	N/A	N/A	None
01‐210	Female	13 years	Cerebellar	JPA	Yes	138,132,344	140,132,159	7q11.23 duplication
01‐244	Male	1 years, 1 months	Cerebellar	JPA	Yes	138,201,534	140,132,159	None
01‐248	Male	13 years	Cerebellar	JPA	Yes	138,192,028	140,122,159	None
02‐112	Female	6 years	Cerebellar	JPA	Yes	138,201,534	140,119,915	None
03‐118	Male	3 years, 2 months	Cerebellar	JPA	Yes	138,159,945	140,119,915	7q11.21 CN‐LOH
04‐098	Female	8 years	Cerebellar	JPA	Yes	138,060,226	140,132,159	7q21.3 homozygous deletion
05‐040	Male	9 years	Cerebellar	JPA	No	N/A	N/A	None
05‐255	Male	13 years	Cerebellar	JPA	No	N/A	N/A	Whole chromosome copy number gain
05‐292	Male	2 years, 9 months	Cerebellar	JPA	No	N/A	N/A	None
06‐219	Female	14 years	Cerebellar	JPA	Yes	138,168,596	140,119,915	None
06‐247	Female	12 years	R‐temporal	Fibrillary	Yes	138,168,596	140,020,518	None
06‐279	Male	11 years	Cerebellar	JPA	Yes	138,168,596	140,119,915	7q31.31 CN‐LOH
06‐292	Female	9 years	Cerebellar	JPA	Yes	138,192,028	140,119,915	None
06‐300	Female	9 years	Cerebellar	JPA	Yes	138,168,596	140,119,915	None

^† Case 98‐278 was a patient with known NF1.

CNAs = copy number alterations; JPA = juvenile pilocytic astrocytoma; N/A = not applicable; CN‐LOH = copy number neutral loss of heterozygosity.