Medical Malpractice Insurance for orthopaedic surgeons

Pathology of the Hip Joint in the Child

  DDH   Effusion – diff. dx   Perthes Disease   Sickle Cell Anemia   Slipped Capital Femoral Epiphysis Coxa plana–the fate of the physis. Radiographic abnormalities of the iliac apophysis in adolescent athletes.

Pathology of the Patello-Femoral Joint

– Bipartite Patella – Bursitis – Chondromalacia – Malalignment syndromes – Multipartite Patellae: – Osteochondritis Dissecans – Patella Overload Syndrome – Patella Alta – Synovial Plica – Subluxation Pathomechanics of the femoropatellar joint following total knee arthroplasty. A systematic approach to reconstruction of neglected tears of the patellar tendon. A case report. Modified technique for tibial … Read more

Pathologic Hip Fractures

– See: General Discussion – Hyperparathyroidism     – incidence of hip frx is about 10%;     – in younger pts with good bone stock, consider ORIF;     – in elderly pts consider primary THR;               – note, however, when when hyperparathyroidism occurs as a consequence of renal … Read more

Pathological Features of Osteoarthritis

– Discussion:     – osteoarthritis represents a gradual processes of destruction & regeneration;     – early in dz, articular cartilage loses its glistening appearance;     – later on surface layers flake off while deeper layers develop longitudinal fissures, process termed fibrillation;     – cartilage becomes thin and sometimes denuded;     – … Read more

Pathogenesis of RA

– Discussion:     – combination of genetic and environmental factors in its etiology;     – an important early event may result from the interaction of antigen presenting macrophages w/ T cells (helper/inducer);     – HLA-D allele DR4 is associated w/ RA patients;     – although clinical laboratories measure IgM rheumatoid factor, … Read more

Pathogenisis

– Discussion:     – AC arthritis or AC joint osteophytes can result in impingement and mechanical irritation to the rotator cuff tendons;     – similar phenomenon can occur after displaced AC separations;     – greater tuburosity fractures can cause impingement on the rotator cuff if the fragment rotates superiorly;     – humeral neck … Read more

Pathogenesis of Congenital Scoliosis

– Discussion:    – local failure of paraxial mesoderm to segment accounts for fused vertebrae;    – Unilateral Bar:          – partial failure of segmentation laterally results in unsegmented bar formation;          – affected side of vertebra involved fails to grow, & growth of vertebrae on side opposite bar … Read more

Pathogenesis of DDH

– See: Impediments to Reduction – Discussion:     – dislocated femoral head:           – femoral head and neck remain anteverted and in the valgus position;           – is pulled proximally & laterally by hip abductors;           – becomes misshapen & flattened;   … Read more