| | Study | Number of cases | Age | Gland | Location | Size |
| 1 | Meyers, 1942 [17] | 1 | 50 | SM | Duct | 50 | 2 | Mustard, 1945 [18] | 1 | 42 | SM | Duct | 56 | 3 | Allen, 1956 [19] | 1 | 49 | SM | Duct | 35 | 4 | Cavina and Santoli, 1965 [20] | 1 | 59 | SM | Duct | 70+ | 5 | Cavina and Santoli, 1965 [20] | 1 | 53 | SM | Both | 60 | 6 | Hoggins, 1968 [21] | 1 | 52 | SM | Paren | 50 | 7 | Rust and Messerly, 1969 [22] | 1 | 66 | P | Duct | 51 | 8 | Rust and Messerly, 1969 [22] | 1 | 58 | NR | Paren | 35 | 9 |
Raksin et al., 1975 [23] | 1 | 52 | SM | Duct | 55 | 10 |
Isacsson and Persson, 1982 [24] | 1 | 48 | SM | Duct | 36 | 11 | Tinsely, 1989 [25] | 1 | 48 | SM | Paren | 50 | 12 | Hubar et al., 1990 [26] | 1 | 65 | SM | Duct | 52 | 13 | Akin and Esmer, 1991 [27] | 1 | 45 | SM | Paren | 45 | 14 | Paul and Chauhan, 1995 [28] | 1 | 45 | SM | Duct | 46 | 15 | Bodner, 2002 [29] | 1 | 50 | SM | Duct | 50 | 16 |
Ledesma-Montes et al., 2007 [7] | 1 | 34 | SM | Duct | 36 | 17 |
Gonçalves et al., 2002 [30]
| 1 | 52 | SM | Duct | 22 | 18 |
Rai and Burman, 2009 [31] | 1 | 60 | SM | Duct | 72 | 19 |
Miyashita et al., 2013 [32]
| 1 | 58 | P | Duct | 15 | 20 | Yu et al., 2013 [5] | 9 | 15–78 | SM and P | Duct | 16–29 | 21 | Huang et al., 2009 [9] | 1 | 57 | SM | Duct | 40 | 22 | This case | 1 | 36 | SM | Duct | 20 |
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