Table 3
 Summary of mutations in JP cases
MADH4
BMPR1A
PTEN
BMPR1B
BMPR2
ACVR1
Chromosomal locus
18q21
10q22-23
10q22-23
4q22-24
2q33-34
12q13
Mutations (n)
14
16
1
0
0
0
Cases (n)
77
77
36
32
32
32
Rate of mutation
18.2%
20.8%
2.8%
0%
0%
0%