Discussion although a traumatic etiology is believed to play a major role in production of these lesions, idiopathic osteonecrosis may be another factor; anterolateral lesions: may result from impaction of talus on fibula as the dorsiflexed ankle is forced into inversion (see ankle sprain); the vast majority are caused by trauma; these lesions tend to … Read more
– Discussion: – OCD is a localized fragmentation of the bone and overlying cartilage of the capitellum; – it frequently progresses to loose body formation, and sometimes progresses to posttraumatic arthritis; – laxity of the MCL may accentuate the loading on the capitellum; – … Read more
– See: Pediatric Elbow Injuries – Discussion: – a traction apophysisitis of the medial epicondyle which needs to be distinguished from avulsion frx of the medial epicondyle – the medial epicondyle is an apophysis which is connected to the MCL as well as being connected to the flexor-pronator mass; – both of these structures will … Read more
– See: – Osteoarthritis Menu: – predisposing conditions – pathology and histology – clinical features – Discussion: – biomechanical considerations: (see kinematics and anatomy of knee – thick cartilaginous surfaces of … 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
– See: Metatarsalgia: and Running Injuries – Discussion: – functional anatomy: – normal foot during gait will become supple by eversion to allow for wt bearing during heel strike, and will become a rigid lever during push off by heel inversion; – in … Read more
– See: Development and Anomalies of the Axis: – Discussion: – dens may be completely absent, hypoplastic, or incompletely fused to body of C2 (lesion called os odontoideum) – the os odontoideum is smaller than the normal dens but size may vary; – the base of the … Read more
– See: – Diff Dx: Posterior Ankle Pain – Fractures of Posterior Talar Process – Discussion: – accessory bone found just posterior to talus (accessory ossification center of the posterior process of the talus); – it may be considered a non united portion of the lateral tubercle; – os trigonum is round, oval, or triangular … Read more
– Discussion of Myelodysplasia – Spinal Deformities: – vertebral column development: – scoliotic & kyphosis in myelomeningocele may be either congenital or paralytic, or combination of both; – scoliosis in myelomenigocele: – kyphosis in myelomenigocele: – need to distinguish between 2 distinct types of kyphosis both of which are centered over mid lumbar segment; – … Read more
– See: – Anesthesia and Timing for Femoral Neck Fractures: – Anesthesia in the Spinal Cord Injured Patient: – Cardiac Orders / Meds: – Malignant Hyperthermia: – Risk Assessment: – Anesthetic Agents: – Lidocaine: … Read more