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Radiographic Lines
| Line | Purpose |
|---|---|
| McGregor's Line | Basilar Impression |
| Chamberlain's Line | Basilar Impression |
| Macrae's Line | Basilar Impression |
| Atlantodental Interspace (ADI) | Lateral->3mm in adults or >5mm in children=Lig Instability |
| George's Line | anterolisthesis or retrolisthesis |
| Posterior Cervical Line | anterolisthesis or retrolisthesis |
| Retropharyngeal | >7mm, if trauma=Hematoma, if not=Tumor |
| Cobb | Scolisis*** Best |
| Risser-Ferguson | Scoliosis |
| Ferguson's Angle | 26-57° Lordosis |
| Meyerding's Grading | Spondylolisthesis |
| Ullmann's Line | Spondylolisthesis |
| Eisenstein's Method | <15mm Canal Stenosis |
| Lumbosacral Disc Angle | 10-15° |
| Lumbar Gravity Line aka Ferguson's Line | Facet |
| Macnab's Line | Facet |
| Hadley's "S" Curve | Facet |
| Kohler's Line | protrusio acetabuli-Rheumatoid Arthritis |
| Shenton's Line | Slipped capital femoral epiphysis |
| Klein's | Slipped capital femoral epiphysis ***Best |
| Skinner | Slipped capital femoral epiphysis, fracture or coxa vara |
| Iliofemoral Line | Slipped capital femoral epiphysis |
| Femoral Angle Aka Mikulicz's Angle | <120°: Coxa Vara >130°: CoxaValga |
| Patellar Position | patella alta |
| Heel Pad Measurement | acromegaly |
| Boehler's Angle | <28° calcaneal fracture or dysplastic calcaneus |