Ortho Oracle - orthopaedic operative atlas

Spondylolysis / Spondylolisthesis

    – Types of Spondylolisthesis:      – Congenital      – Isthmic      – Degenerative      – Spondylolysis of the Fourth Lumbar Vertebra      – Spondylolisthesis w/ Scoliosis – Discussion:      – spondylolysis involves defect passing between superior articular process & remainder of the lamina, most often involving L5; … Read more

Spondylolisthesis: Radiographic Findings

    – Discussion:     – spondylolysis refers to radiolucent defect of pars interarticularis;     – if defect is large, it is seen on nearly all x-rays of lumbar spine;     – if it is unilateral, as it is in 20 to 25 per cent of patients, or if it is not … Read more

Spondylolisthesis w/ Scoliosis

– Discussion:     – scoliosis is present in > 20% pts who have symptomatic spondylolisthesis but in only 13 per cent of those who have spondylolysis;     – incidence of scoliosis is higher in pts w/ dysplastic spondylolisthesis than in those who have isthmic spondylolisthesis; – Olisthetic scoliosis:     – scoliosis usually is not … Read more

Spondylolysis and Type I Spondylolisthesis

– See: Occult Spondylolysis – Discussion:      – spondylolysis is rarely symptomatic in adolescents;      – in children, be especially concerned if symptoms that do not respond to rest or immobilization or if there are neurological findings.      – diff dx:              – disc-space infection       … Read more

Spondyloepiphyseal Dysplasia Tarda

– See: Spondyloepiphyseal Dysplasia Congenita: – Discussion:  – generalized skeletal dysplasia affecting primarily the spine & epiphyses of the larger, more proximally located joints;  – many patients go unrecognized until the adolescent years when hip pain or scoliosis develops;  – typically, patients develop hip pain and stiffness in the first or second decade and are … Read more

Spondylolisthesis: Grade II Slips (25-50%)

– Discussion:     – those w/ symptomatic Grade II spondylolithesis should be restricted from activities such as gymnastics;     – in younger children (ages 6 to 12), a slip of this degree is significant and highly likely to progress during the remaining growth years;           – fusion should thus … Read more

Split Thickness Skin Grafts

– Surgical Technique:      – STSG for hand defects      – STSG Donor Site – Discussion:     – a STSG includes of the epidermis and various amounts of the dermis;     – skin that has been transplanted from one area to another maintains most of its original characteristics, w/ exception that sensation & sweating … Read more

Spondyloarthropathies / Related Chronic Seronegative Arthritides

Discussion conditions include: AS Reiter’s Syndrome Psoriatic Arthritis Inflammatory Bowel Disease typically involves the axial skeleton; affected areas heal w/ fibroblastic proliferation followed by new bone formation; pathogenesis of these disorders is unknown except for Reiter’s syndrome, which is generally believed to result from aberrant host response to a pathogenic microorganism; Labs RF is negative; HLA-B27 phenotype: … Read more

Spondyloepiphyseal Dysplasia Congenita

– See: Spondyloepiphyseal Dysplasia Tarda: – Discussion:      – a type of short trunk disproportionate dwarfism, in which there is involvement of the vertebra and epiphyseal centers;      – can be transmitted as autosomal dominant trait, although most cases arise as random mutations;      – symptoms include delayed developmental milestones, diminished endurance, and … Read more

Splenius Cervicis

origin: spinous processes of 3rd to 6th thoracic vertebrae; insertion: 1st, 2nd, 3rd and sometimes the 4th cervical vertebrae transverse processes on the posterior aspect; action: acting bilaterally, extends and hyperextends the head and neck; Acting unilaterally flexes and rotates neck to the same side; nerve supply: posterior rami of the lower cervical spinal nerves; synergists: … Read more