Table 2.
Prevalence of incidentally discovered adrenal masses by computed tomography (CT).
| Study (ref) | Year | No. of CT scans | No. of adrenal masses | Frequency (%) |
|---|---|---|---|---|
| Glazer et al. (33) | 1982 | 2200 | 14 | 0.6 |
| Prinz et al. (34) | 1982 | 1423 | 4 | 0.3 |
| Abecassis et al. (27) | 1985 | 1459 | 19 | 1.3 |
| Belldegrun et al. (35) | 1986 | 12000 | 88 | 0.7 |
| Herrera et al. (39) | 1991 | 61054 | 259 | 3.4 |
| Caplan et al. (40) | 1994 | 1779 | 33 | 1.9 |
| Bovio et al. (41) | 2006 | 520 | 23 | 4.4 |
| Song et al. (42) | 2008 | 65,231 | 3307 | 5.1 |
| Hammarstedt et al. (43) | 2010 | 34044 | 534 | 4.5 |
| Davenport et al. (44) | 2011 | 3705 | 37 | 1.0 |
| Davenport et al. (36) | 2014 | 4028 | 75 | 1.9 |
| Maher et al. (37) | 2018 | 38848 | 804 | 2.1 |
| Taya et al. (38) | 2019 | 42575 | 969 | 2.3 |
| Median values for all studies | N/A | 4028 | 75 | 1.9 |
Source data is highly variable in terms of autopsy, surgery or radiological in origin, patient selection and AI definition.