Today's Daily Diff concerns
gracile bones. This finding is described as a bone which is thinner than normal and slender. The bone may or may not be osteopenic. The causes of gracile bones can be remembered by the mnemonic
NIMROD: | Disease | Notes |
| N | Neurofibromatosis |
|
| I | Immobilization / paralysis | More likely if gracile bone matches area of paralysis |
| M | Muscular dystrophy |
|
| R | Rheumatoid arthritis (juvenile) |
|
| O | Osteogenesis imperfecta |
|
| D | Dysplasis | ex. Marfan's syndrome, homocystinuria |
 |
A gracile radius is seen in the top image; the bottom is normal.
Source: HighWire |
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