The Hip - book

Classification of Cerebral Palsy

– Spastic Syndrome:     – are the most common (70% of cases) and most ammenable to surgery;     – due to upper motor neuron involvment     – mild to severe motor impairment     – characterized by increased muscle tone and hyperreflexia, with slow, restricted movements (because of co contraction of agonist … Read more

Classification of Club Foot

– Postural clubfoot:     – not a true structural deformity;     – postural, or mild, club foot is uncommon & is corrected passively w/little difficulty; – Moderate Club Foot;     – moderate club foot is fairly supple, a transverse crease is absent, and the heel is easily definable;     – most common … Read more

Classification of Acetabular Defects and Bone Grafting Options

– See:       – Total Hip Replacement Menu:             – Acetabular Component Revision              – Femoral Bone Grafting for THR              – Frozen Allograft             – Dysplastic Hip – Discussion:     – in planning of acetabular reconstruction, major goal is to establish … Read more

Chondrosarcoma

– See: Bone Tumor Menu – Discussion:     – malignant cartilaginous tumor of bone (3rd most common malignant bone tumor / comprises 20% of malignant bone lesions);     – it is less common and less aggressive than osteosarcoma;     – staging:             – histologic grading is best predictor of stage;             – most often presents as … Read more

Chopart Amputation

– See:       – Syme’s Amputation       – Transmetatarsal Amputation – Discussion:     – Francis Chopart first described disarticulation thru midtarsal joint;     – Chopart amputation removes the forefoot and midfoot, saving talus and calcaneus;     – Chopart amptutations should not performed for ischemia;     – this … Read more

Chronic Capitolunate Instability

– Discussion: (see: dynamic instability);     – capitolunate joint has high potential for instability, since it is mainly stabilized only by the radiocapitate ligament (and captiotriquetral ligament, to a lesser degree); (see wrist ligaments);     – may result from malreduced radial styloid frx, or any condition which shortens or reduces tension in the … Read more