Table 6.
Frequency and ROM for non-diagnostic category in MSRSGC reported in the literature.
| Series | Age (yr), mean (range) | No. of FNAs | No. of resection | Non-diagnostic FNA | |
|---|---|---|---|---|---|
| Frequency, % | ROM, % | ||||
| Adult/general population a | |||||
| Farahani 2019 (review)b | 51 (0–100) | 26981 | 16456 | 4 | 17 |
| Jalaly 2020 (review)c | 54 (1–100) | 16394 | 8468 | 10 | 17 |
| Mazzola 2020 | 59 | 503 | 503 | 8 | 20 |
| Altinboga 2021 | 55 (7–95) | 578 | 198 | 15 | 13 |
| Castrodad-Rodríguez 2021 | 58 (10–99) | 380 | 176 | 17 | 0 |
| Higuchi 2021 | 56 (0– 96) | 1608 | 1608 | 18 | 13 |
| Hirata 2021 | 52 (11–90) | 480 | 216 | ‐ | 5 |
| Hosseini 2021 | 63 (14–94) | 343 | 162 | 6 | 13 |
| Reerds 2021 | 55 (0–98) | 12,898 | 12,898 | 19 | 13 |
| Total | ‐ | 60,165 | 40,685 | 10 | 15 |
| Pediatric population | |||||
| Wang 2021 and current study | 13 (0–21) | 106 | 54 | 17 | 0 |
| Satturwar 2021 | 12 (0–18) | 32 | 20 | 16 | 0 |
| Maleki 2022 | 13 (0–21) | 477 | 237 | 10 | 6 |
ROM, risk of malignancy; MSRSGC, Milan System for Reporting Salivary Gland Cytopathology; FNA, fine‐needle aspiration;
a
Case series with at least 300 FNAs and 100 resection specimens not included in the reviews by Farahani et al or Jalaly et al are summarized in this table;
b
44 publications between 1966 and 2017 were included;
c
37 publications between 2017 and 2020 were included.