Ortho Oracle - orthopaedic operative atlas

Dislocation Menu

   CarpoMetaCarpal    Elbow    Hand and Fingers:          CMC Instability in the Metacarpals:          MP joint dislocation:          PIP dislocation::          Thumb CMC Joint:          Thumb MP Joint:    Hip    Knee    Patellar Dislocation:;    Perilunate Dislocation;    Radial … Read more

Dislocation of THA

  – See: Total Hip Replacement Menu:                – acetabular components                 – acetabular component position: – Discussion:     – occurs in 1-4% of primary THA and upto 16% in revision cases;            – about 74% of THR dislocations are posterior, 16% anterior, and 8% lateral; (from                      Cobb TK, et … Read more

Discussion of Sliding Hip Screw Devices

– See:     – Screw-Plate Angle     – High Angle Plates     – Low Plate Angle     – Nail Placement in Femoral Head and Neck     – Screw Length     – Sliding Screw Fixation in Subtroch Frx – Discussion:     – sliding screw fixation allows for improved fracture … Read more

Diffuse Idiopathic Skeletal Hyperostosis

– Discussion:     – also known as Forestier’s disease;     – disease involves non-marginal syndesmophytes present at at three successful vertebral levels;           – commonly there will be no disc & joint narrowing & nor osteoarthritis;           – differentiated from AS, w/ marginal syndesmophytes;   … Read more

Differential Diagnosis: of Limb Length Deformity

  – Avascular Necrosis  – Congenital angulation shortening   – Congenital coxa vara  – Congenital short femur   – DDH  – Diaphyseal fractures   – Hemiatrophy  – Hemiparetic cerebral palsy  – Hemiatrophy (anisomelia)  – Hemihypertrophy:  – Hemangioma  – Neurofibromatosis  – Lipomatosis   – Lymphangioma  – Infantile septic arthritis of the hip  – Juvenile Rheumatoid Arthritis:  – Legg-Perthes disease  – … Read more

Differential Diagnosis of Metabolic Bone Diseases

– See: Transient Osteoporosis:   Disorder      Serum Ca    Serum Phos    Serum AP    Urine Osteoporosis    Normal      Normal        Normal      Normal Ca Osteomalacia      ”           ”              ”        Low    Ca … Read more

Differential Diagnosis: Adult Arthritis

Acromegaly: Ankylosing Spondylitis: Avascular Necrosis: Gaucher’s Disease: Hemochromatosis: Hemophilia Hypermobility Syndrome: this is an arthropathy associated with joint laxity; it is autosomal dominant associated with joint laxity; some of these are associated w/ DDH, but others present no particular surgical problems other than the fact that the surgical scar tends to spread and become broad; associated … Read more