MR signal characteristics of calvarial marrow in healthy control subjects
| Signal Characteristic | Age (y) | ||||||
|---|---|---|---|---|---|---|---|
| 21–30(n = 11) | 31–40(n = 3) | 41–50(n = 4) | 51–60(n = 5) | 61–70(n = 14) | 71–78(n = 7) | All*(n = 44) | |
| Isointense to fat | 1 | 1 | 1 | 0 | 2 | 1 | 6 (14) |
| Hypointense to fat and iso- or hyperintense to white matter | 8 | 1 | 2 | 3 | 11 | 6 | 31 (70) |
| Hypointense to white matter and iso- or hyperintense to gray matter | 2 | 1 | 1 | 0 | 0 | 0 | 4 (9) |
| Hypointense to gray matter | 0 | 0 | 0 | 2 | 1 | 0 | 3 (7) |
* Data in parentheses are percentages.