Table 2 Summary of IF, classified according to the modified C-RADS classification
From: Extra-spinal incidental findings at lumbar spine MRI in the general population: a large cohort study
Organ/system | Finding | Number | Rate (%) | Men | Women |
|---|---|---|---|---|---|
C-RADS E2: clinically unimportant findings—no further work-up indicated | |||||
Vascular system | Atheromasic plaque | 11 | 0.5 | 4 | 7 |
Pelvic varicocele | 21 | 1.0 | 0 | 21 | |
Kidney | Cystic Lesion | 732 | 35.5 | 321 | 411 |
Lithiasis | 2 | 0.1 | 1 | 1 | |
Uterus | Solid benign lesion | 219 | 10.6 | 0 | 219 |
Cystic benign lesion | 117 | 5.7 | 0 | 117 | |
Anatomic abnormality | 12 | 0.6 | 0 | 12 | |
Ovaries | Cystic Lesion | 221 | 10.7 | 0 | 221 |
Post-surgery | 1 | 0.1 | 0 | 1 | |
Prostate | Post-surgery | 15 | 0.7 | 15 | 0 |
Bladder | |||||
Bowel | Diverticulosis | 351 | 20.4 | 142 | 209 |
Liver | Simple cystsa | 6 | 0.3 | 2 | 4 |
Biliary Lithiasis | 6 | 0.3 | 1 | 5 | |
Biliary duct dilation (< 6 mm) | 5 | 0.3 | 3 | 2 | |
Spleen | Accessory spleen | 2 | 0.1 | 1 | 1 |
Total E2 | 1,721 | 83.5 | 490 | 1,231 | |
C-RADS E3: likely unimportant findings, incompletely characterised | |||||
Vascular system | Aortic dilation | 11 | 0,6 | 8 | 3 |
Kidney | Hydronephrosis | 4 | 0.2 | 1 | 3 |
Solid lesion | 4 | 0.2 | 1 | 3 | |
Uterus | Uterine cavity dilation | 15 | 0.7 | 0 | 15 |
Liver | T2 hyperintense lesion | 27 | 1.3 | 14 | 13 |
Fluid | Abdominal-Pelvic Fluid | 204 | 9.9 | 35 | 169 |
Total E3 | 265 | 12.9 | 59 | 206 | |
C-RADS E4: potentially important findings | |||||
Vascular system | Aortic aneurysms | 11 | 0.6 | 6 | 5 |
Lymphatic system | Enlarged lymph nodes | 38 | 1.8 | 26 | 12 |
Uterus | Uterine solid lesion | 2 | 0.1 | 0 | 2 |
Prostate | Bladder wall thickening or prostatic lesion | 15 | 0.7 | 11 | 4 |
Bladder | |||||
Bowel | Colo-rectal wall thickening | 7 | 0.3 | 3 | 4 |
Adrenal glands | Solid lesion | 1 | 0.1 | 0 | 1 |
Total E4 | 74 | 3.6 | 46 | 28 | |
Total | 2,060 | 100.0 | 595 | 1,465 | |