| Study | Number of cases | Samples | miRNA | Findings |
| Yu et al. [75] | 9 | Pre- and postoperative serum (5–15 days) | 151-5p, 222 | Decreased after tumor excision | Lee et al. [76] | 32 | Pre- and postoperative plasma (2–6 weeks) | 221, 222, 146b | Decreased after tumor excision | Li et al. [79] | 7 | Pre- and postoperative plasma (4–7 days) | 25-3p, 451a | Decreased after tumor excision | Samsonov et al. [81] | 10 | Pre- and postoperative plasma-derived exosomes (7–10 days) | 126-3p, 145-5p, 146a-5p, 181a-5p, 206, 21-5p, 221-3p, 223-3p, 31-5p | Decreased after tumor excision | Yoruker et al. [83] | 31 | Pre- and postoperative serum (5 weeks) | 221, 222, 151-5p, 31 | Decreased after tumor excision | Rosignolo et al. [84] | 44 | Pre- and postoperative serum (30 days) | 146a-5p, 221-3p, 222-3p, 146b-5p, 28-3p, 103a-3p, 191-5p, 24-3p | Decreased after tumor excision |
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