No.

Reporter

Report of year

Age/sex

Period until removal (year)

Position

Size

Immunohistological examination

1

Ueda et al.

1968

49/F

22

Median part of paratal

Walnut large

-

2

Niikuni et al.

1968

48/M

6

Median part of paratal

50 × 40 × 20 mm

-

3

Kitagawa et al.

1980

69/F

20

Left palate

90 × 65 × 50 mm, 86 g

-

4

Sanka et al.

1987

34/M

6~7

Median part of paratal

57 × 36 × 20 mm, 25 g

-

5

Horikoshi et al.

1987

66/M

10

Right upper gum

50 × 50 mm, 70 × 50 mm, 110 g

-

6

Yoshiba et al.

2014

60/M

30

Light palate

30 × 27 × 12 mm, 31 g

+

(Bcl-2, CD34, S-100, Ki-67, vimentin)