Introduction
Materials and methods
Patients and histopathology
DNA extraction
Mutation analyses
Gene | Exon | Forward (Fw) Reverse (Rv) | Primer sequence 5′–3′ |
---|---|---|---|
GNAQ
| 5 | Fw | TTCCCTAAGTTTGTAAGTAGTGC |
Rv | ATCCATTTTCTTCTCTCTGACC | ||
BRAF
| 15 | Fw | CCTTTACTTACTACACCTCAG |
Rv | AAAAATAGCCTCAATTCTTAC | ||
NRAS
| 3 | Fw | GATTCTTACAGAAAACAAGTGG |
Rv | TAATGCTCCTAGTACCTGTACAG | ||
HRAS
| 3 | Fw | CTGCAGGATTCCTACCGGA |
Rv | ACT TGGTGTTTGTTGATGGCA |
Results
Patient and histopathological characteristics
Patient | Sex | Age | Diagnosisa
| Locationb
| Cell typec
| Nuclear pleomorphismd
| Mitosese
| Necrosisf
| CNS invasion | Pigmentationg
| Available follow-up |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | F | 50 | IM | Th11-12 | S | ++ | 2 | – | Yes | + | na |
2 | F | 27 | MC | Right cerebello-pontine angle | E | + | 0 | – | nah
| No | na |
3 | M | 41 | MC | C0-C3 | E | + (+) | 0 | + | na | +++ | na |
4 | na | na | MM | LMb
| E | ++ | >15 | – | na | No | na |
5 | na | na | MC | LM | Mx | + (+) | 1 | + | na | + | R |
6 | F | 68 | IM | Cerebellar tentorium | E | + | 5 | – | Focal | + | na |
7 | M | 27 | MC | Cerebellar tentorium | Mx | + | 1 | – | No | ++ | na |
8 | F | 44 | MC | Pineal region | S | + | 1 | – | No | + | na |
9 | M | 55 | MC | C3-6 | Mx | + | 0 | – | na | ++ | R |
10 | F | 59 | MM | S2 | Mx | +++ | 8 | ++ | Yes | + | na |
11 | na | na | MC | C5-6 | E | + | 0 | – | na | +++ | R |
12 | M | 41 | MC | Th6 | S | + | 0 | + | No | +++ | R |
13 | F | 45 | MC | L3-4 | Mx | + (+) | 0 | – | na | +++ | R |
14 | na | na | MC | Th11 | S | + | 1 | – | na | + | na |
15 | M | 49 | MM | Frontal lobe left | E | ++ | 7 | +++ | na | No | na |
16 | na | na | MC | Cerebellar | S | + | 0 | – | No | ++ | na |
17 | na | na | IM | LM | E | + | 2 | – | Yes | +++ | na |
18 | na | na | MC | na | S | + | 0 | – | na | +++ | na |
19 | M | 7 | MM | Temporal lobe right | E | +++ | >10 | – | Yes | + | Cong. nevusi
|
Mutation analyses
Patient | Diagnosis |
GNAQ
|
BRAF
|
NRAS
|
HRAS
|
---|---|---|---|---|---|
1 | IM | wt | wt | na | na |
2 | MC | wt | wt | wt | na |
3 | MC | c.626 A>C (p.Gln209Pro) | wt | wt | wt |
4 | MM | wt | wt | wt | wt |
5 | MC | wt | wt | wt | wt |
6 | IM | wt | wt | wt | wt |
7 | MC | c.626 A>C (p.Gln209Pro) | wt | wt | wt |
8 | MC | wt | wt | wt | wt |
9 | MC | c.626 A>C (p.Gln209Pro) | wt | na | wt |
10 | MM | c.626 A>T (p.Gln209Leu) | wt | wt | na |
11 | MC | wt | wt | wt | wt |
12 | MC | c.626 A>T (p.Gln209Leu) | wt | na | na |
13 | MC | c.626 A>T (p.Gln209Leu) | wt | wt | na |
14 | MC | c.626 A>T (p.Gln209Leu) | wt | wt | wt |
15 | MM | wt | c.1799 T>A (p.V600E) | na | wt |
16 | MC | wt | wt | wt | wt |
17 | IM | wt | wt | na | na |
18 | MC | wt | wt | wt | wt |
19 | MM | wt | wt | wt | wt |