presents
Wheeless' Textbook of Orthopaedics
Tracking Pixel

Diff Dx in MED





- Legg-Calve'-Perthes disease;
- Findings in M.E.D. not seen in Perthes:
    - short, stunted metacarpals/metatarsals;
    - irregular femoral heads which is bilateral & symmetric, is not
        assoc w/ metaphyseal cysts, & commonly has early acetabular changes;
          - early hip arthritis is common;
          - bilateral Legg-Calve'-Perthes disease is uncommon;
    - abnormal normal ossification (tibial "slant sign"
    - flattened femoral condyles;
    - T12/L1 notching and deformed ring apophysis;
    - valgus knees;
    - waddling gait;



Original Text by Clifford R. Wheeless, III, MD.