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MRI signal characteristics of focal nodular marrow hyperplasia (FNMH)
| Signal intensity | Hypointense | Isointense | Hyperintense |
|---|---|---|---|
| T1W (cf skeletal muscle) | 0 (0%) | 12 (22.2%) | 41 (77.4%) |
| T2W (cf marrow) | 52 (98.1%) | 1 (1.9%) | 0 (0%) |
| STIR (cf marrow) | 0 (0%) | 22 (40.7%) | 31 (58.5%) |
