Table 1

Results of comparative genomic hybridisation (CGH) analysis (patients without changes are not listed)

Sample	Maximum tumour diameter (cm)	Age at presentation (years)	NF2	Chromosome
Sample	Maximum tumour diameter (cm)	Age at presentation (years)	NF2	9q34	10	11	13	16	17	18	19	21	22	X	Y
*Radiation treatment.
IC, intracanalicular; NA, not available.
Heading, heading toward loss, individual metaphase spreads showing loss on chromosome 22, but when taken as an average the overall fluorescence ratio is on the boundary of normal.
1	0.5	61											Loss
3	IC	57											Loss
5	IC	51											Loss
7	1	73											Loss
14	1.5	41											Loss
16	IC	40											Loss
25	3	53											Loss
42	3.5	46											Loss
49	5	53											Loss
66	3.2	65											Loss 22p
68	1	37											Loss
69	1.8	43											Loss
76	NA												Loss 22p
60	3.5	42											Loss 22p		Loss
52	3.5	44										Loss	Loss
55	2.5	46		Gain									Loss
8	0.5	56		Gain					G17q24-qter				Loss
12	1	33		Gain				G16p13.1-pter	G17q24		G19p q13.2-ter		Loss
11	0.5	55		Gain			L13q21–22						Heading
20	0.5	47		Gain									Heading		Loss
6	1.5	42											Heading
48	6	15												LXq24–25
62	1.5	49				L11q21–22.3
67	3	60													Loss
34	0.5	31		Gain	G10q26			G16p13.2–13.3			G19p		Heading
37*	3.5	20	Y		G10q26				G17q23-qter		Gain
39	1	60		Gain
46	2	44	Y	Gain
40*	4.5	10	Y					G16q23-qter
26	1	53								G18q12