– See: Anterior Capsulotomy – Discussion: – fibrous capsule encloses hip joint & greater part of neck of femur; – it encloses the femoral head and most of its neck; – capsule is attached anteriorly at the intertrochanteric line; – posteriorly … Read more
– Discussion: (see limb development); – at 4 to 6 gestational weeks, the hip joint develops from the cartilaginous anlage; – by 7 weeks a cleft develops between precartilagenous cells which are programmed to form the femoral head and acetabulum; … Read more
– Discussion: – dislocate the hip posteriorly by flexing, adducting, and gently internally rotating the hip; – this may drive the femur against posterior edge of acetabulum; – place bone hook beneath femoral neck at level of lesser troch. to gently lift the head out of the acetabulum; … Read more
– Discussion: – hip fusions acn occur spontaneously following childhood sepsis or after ORIF of acetabular fractures (secondary to heterotopic bone). – they also occur spontaneously due to ankylosing spondylitis; – surgical fusions are performed for young adults with advanced arthritis; – indications: … Read more
– Discussion: – w/ the knee flexed 70 deg, the patella apex is palpated, and a longitudinal stab incision is made just lateral to the border of the patellar tendon using a No. 11 or 15 knife blade; – placing the incision close to the lateral border of the patellar ligament facilitates inspection of the … Read more
– Discussion: – screw is threaded at both ends and can be countersunk beneath articular surface, obviating the need for removal after frx has healed; – it is designed to achieve compression by use of a differential thread-pitch between its proximal & distal ends, and it has guiding jig that maintains … Read more
– See: Ossification of Soft Tissues: and Myositis Ossificans – Discussion: – occurence and formation of mature bone in non-osseous tissue; – may present w/ signs of localized inflammation or pain, elevated skin temp, ect. – tends to occur after thr, spinal injury, head injury (11%), burns, bruises, elbow trauma, total hip replacement; … Read more
– Discussion: – extraarticular bleeding may involve muscles, nerves, blood vessels, and even bones; – slowly expanding hematoma will interfere w/ function & perfusion of surrounding tissues; – intramuscular hematomas that fail to resorb quickly lead to fibrosis, contracture, cyst formation, or myositis ossificans; – bleeding into the calf muscles may cause a severe equinus … Read more
– Discussion: – general features: – pediatric bone circulation – age of patient: – osteomyelitis in the newborn – in infants below the ages of 1 year, some metaphyseal vessels may transverse … Read more