– Discussion: – indicated for irreparable injury to the subscapularis which is causing recurrent instability; – Anterior Approach to the Shoulder – Release of Superior Pectoral Tendon: – superior 2.5-3 cm of the pectoralis tendon is released off the humerus; – stay sutures are inserted into the tendon edge; – tension is placed on … Read more
– Discussion: – Pavlik harness is a dynamic flexion abduction orthosis used to treat DDH in infants up to 6 months of age; – harness usually leads to stability of reduced hip w/ in 4 wks, but its use should be continued until clinical exam & x-rays of hip are normal; … Read more
– 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
– See: – Images in clinical medicine. Neuralgic amyotrophy. – Discussion: – brachial plexus / brachial neuritis – acute brachial neuropathy (acute brachial radiculitis, Parsonage-Turner syndrome) is of unknown etiology and appears sporadically but may follow immunization, or viral illness; – predominant clinical finding is pain, usually limited to the shoulder; … Read more
– See: – Bone Tumor Menu: – Classic Osteosarcoma – Discussion: – parosteal osteosarcoma is a low-grade malignant bone tumor that usually occurs on the surface of the metaphysis of long bones; – arises between cortex and muscle as a low grade stage I-A surface tumor (ie does not initially invade … Read more
– Pathogenesis: – osteomyelitis occurs most frequently in the long bones of lower extremities, & to a lesser extent the upper extremities; – hematogenous osteomyelitis – pediatric bone circulation: tortuous course of nutrient vessels in bone causes bacteria to be trapped in the metaphysis; – epiphyseal plate prevents infection from entering the … Read more
– Pathogenesis: – see: hematogenous osteomyelitis and pediatric bone circulation – tortuous course of the nutrient vessels in bone causes bacteria to be trapped in the metaphysis; – once lodged in the metaphysis, the infection spreads toward the epiphysis; – in neonates the periosteum … Read more
– Discussion: – a developmental dysplasia of peripheral growth plate which forms a cartilage capped projection of bone found near metaphyses of long bones; – peripheral chondroblast grows outward from the metaphysis, acting as an ectopic growth plate, which ceases growth at skeletal maturation; … Read more
SCFE Trauma Inflammatory arthritis Calcium Pyrophosphate Dihydrate Crystal Arthritis – these pts may have symptomatology at atypical sites of the hand such as the second and third MP joints; Osteonecrosis Intra-articular Steroids Hyperparathyroidism – it can cause subchondral bony erosions and collapse of the articular … Read more
– See: – Diff Dx: Hypercalcemia – Diff Dx: HyperPhosphatemia – Approaches To Differential Diagnosis In Musculoskeletal Imaging: Soft Tissue Calcifications – Discussion: – calcium hydroxyapatite can be deposited in periarticular soft tissues or within joints; – in either event the disease may be monoarticular or polyarticular; … Read more