– 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: – 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
– Discussion: – open disk usually has an active growth plate; – double hemivertebrae: – those that are ipsilateral and adjacent to one another are more likely toproduce a progressive scoliosis and require arthrodesis; – two or more hemivertebrae on the … Read more
– See: Hemangioma of Soft Tissue – Discussion: – typically seen in asymptomatic patients; – symptomatic patients over 40 years old may present following small spine fractures; – hemangiomas affect bone are rare; – these tumors may be located on the periosteal surface, within the cortex, or … Read more
– Discussion: – displaced frx of talar neck (no matter how slight) w/ subluxation or dislocation of posterior facet of sub-talar joint; – subtalar joint subluxation is usually dorsal; – ankle remains aligned; – persistent slight displacement will result in malunion (usually in varus) which will produce … Read more
– See: – Radiographic Features of Talocalcaneal Coalition – Discussion: – demonstrates the body of the calcaneus, middle facet of the sub-talar Joint and the sustenaculum tali; – Talocalcaneal Coalition: – x-ray appearance of two facets either in same plane or at an angle greater than 20 deg to each other suggests coalition; – … Read more
– Discussion: – type I fractures represent non displaced fractures; – fracture line entering the subtalar joint between the middle and posterior facets; – only those frxs in which there is no displacement of frx line and no incongruity of subtalar joint are designated as type I frx; – … Read more
– See: – Axis: – Hyperextension Injury – Discussion: – frx of pars interarticularis of C2 & disruption of C2-C3 junction – type of traumatic spondylolisthesis – “Hangman’s frx” – term “hangman’s fracture” is not accurate for the majority of cases, because mechanism … Read more
– Spinal Fracture: – this type of fixation is now outdated, and the text is maintained for historical context; – capable for providing adequate fixation for most spine fractures; – will reduce angular deformities and restore vertebral body height; – indications: – … Read more