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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 |