Table 2.
Summary of the 603 cases of oral lipoma reported in the literatures
| [4] | [5] | [6] | [7] | [8] | [9] | [10] | [11] | [12] | [13] | [14] | [15] | Total | Our study | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. cases | 46 | 13 | 26 | 10 | 41 | 26 | 57 | 145 | 16 | 19 | 146 | 58 | 603 | 24 |
| Study period (year) | 31 | 14 | 4 | 10 | 38 | 25 | NA | 21 | 5 | 19 | NA | 20 | NA | 33 |
| Sex | ||||||||||||||
| Male/female | 20:26 | 5:08 | 6:20 | 4:06 | 12:29 | 10:14 | 31/26 | 68/57 | 2:14 | 10:09 | 77/69 | 29/29 | 274/329 | 11/13 |
| Ratio | 1:1,1 | 1:1,6 | 1:3,3 | 1:1,5 | 1:2,4 | 1;1,4 | 1,2:1 | 1,2:1 | 1;7 | 10;9 | 1,1:1 | 1:01 | 1:1.2 | 1:1.18 |
| Age | ||||||||||||||
| Range | 8–80 | 40–73 | 29–91 | 8–92 | 18–75 | 28–63 | 20–70 | 2–87 | 27–70 | 11–75 | NA | NA | NA | 31–90 |
| Peak incidence | 6th | 7th | 6th | 6th | 7th | NA | 6th | 5th | NA | 4th | NA | NA | NA | 6th |
| Mean size (cm) | 2 | 0.8 | 1.19 | 1.66 | 2.1 | NA | NA | 2.6 | NA | 1.6 | NA | 1.68 | NA | 2.0 |
| Range size (cm) | 0.3–5 | 0.2–1.5 | 0.5–2.8 | 0.2–1.0 | 0.5–10 | NA | NA | 0.5–10 | 0.3–2.5 | 0.5–3.0 | 0.3–2.2 | 0.2–10 | NA | 0.2–5 |
| Localization | ||||||||||||||
| Buccal mucosa | 21 | 4 | 9 | 5 | 22 | 11 | 24 | 46 | 8 | 3 | 49 | 31 | 233 | 9 |
| Vestibule | 4 | 0 | 1 | 3 | 6 | 4 | 1 | 18 | 0 | 6 | 14 | 5 | 62 | 0 |
| Gingiva | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 8 | 0 | 0 | 0 | 0 | 12 | 2 |
| Retromolar area | 2 | 0 | 2 | 1 | 3 | 4 | 0 | 0 | 5 | 1 | 9 | 0 | 27 | 2 |
| Tongue | 6 | 2 | 7 | 0 | 4 | 0 | 11 | 28 | 0 | 3 | 21 | 10 | 92 | 4 |
| Lip | 6 | 1 | 4 | 0 | 1 | 2 | 6 | 9 | 0 | 5 | 31 | 6 | 71 | 1 |
| Oral floor | 5 | 3 | 3 | 0 | 3 | 2 | 8 | 21 | 2 | 1 | 8 | 6 | 62 | 3 |
| Palate | 0 | 1 | 0 | 0 | 1 | 3 | 1 | 13 | 0 | 0 | 8 | 0 | 27 | 3 |
| Other | 2 | 2 | 0 | 0 | 1 | 0 | 3 | 2 | 1 | 0 | 6 | 0 | 17 | 0 |
| Histologic subtype | ||||||||||||||
| Lipoma | 21 | 9 | 15 | 4 | 18 | 24 | 7 | 71 | 8 | 11 | 83 | 28 | 299 | 20 |
| Fibrolipoma | 18 | 2 | 7 | 4 | 14 | 2 | 5 | 48 | 8 | 8 | 50 | 19 | 185 | 2 |
| Myxoid lipoma | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 9 | 0 |
| Angiolipoma | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 6 | 0 |
| Intramuscular lipoma | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 12 | 1 |
| Spindle cell lipoma | 1 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 10 | 1 |
| Minor salivary gland lipoma | 2 | 0 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 9 | 0 |
| Unknown | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 26 | 0 | 0 | 0 | 0 | 73 | 0 |
| Duration of awareness (months) | 75.8 | NA | NA | 30.4 | 48 | NA | NA | NA | NA | 53 | NA | 31.2 | NA | 12 |
| Follow up period (months) | 26.5 | NA | 6–12 | 34.5 | 45 | NA | NA | NA | NA | NA | 12–96 | 31.5 | NA | 3 |