– Discussion: – a chronic progressive disease osteoblasts and osteoclasts which results in abnormal bone remodeling; – etiology, staging, and pathogenesis – prevalence: – uncommon in pts under age of 55 yrs but relatively common in later life, occurring in 3-4% of persons over 55 yrs & occurs in 10% in pts over age 80; – reference: – … Read more
It is estimated that as many as 40 million Americans or 1 in 7 people have some form of arthritic disease. It has been reported that arthritis is the number one cause of disability in America, limiting the everyday activities for approximately seven million individuals. The efforts of medical … Read more
– Discussion: – osteopetrosis is failure of osteoclastic and chondroclastic resorption; – bones become exceedingly dense; – marrow space is filled w/ unresorbed dense bone; – disease results from lack of osteoclastic resorption, leading to thickened bones & exclusion of marrow cavity; – there is absence of marrow elements & these patients are susceptible to … Read more
(see also: Pyknodyostosis) Discussion disease characterized by failure of maturation and organization of collagen fibers; defect in collagen (procollagen to type I collagen sequence and abnormal cross linking) leading to decreased collagen secretion, bone fragility; there may be an inability to form normal bone due to a defect in osteoblastic function; with the formation of … 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
– Discussion: – early dx by postnatal screening w/ Ortolani or Barlow’s Test is essential to detect hip instability or dislocation; – strictly interpreted, the Ortolani sign is the palpable sensation of the gliding of the femoral head in and out of the acetabulum; – femoral … 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
Pagets Disease Panner’s Disease Parathyroid hormone Parsonage-Turner Syndrome Paronychia: Parosteal Osteosarcoma Patella / Patello-Femoral Function … Read more
Open Reduction for DDH – Inidications: – older age: – attempts at closed reduction should be limited to children who are less than three years old; – once children begin to walk, there is decreased chance for successful closed reduction & increased risk of AVN; … Read more
See: Posterior Frx Dislocations of the Hip – Indications: – irreducible dislocation: – due to soft tissue interposition (ligamentum teres, capsule, labrum, piriformis, ect.); – incongruent joint: – due to intra-articular bone and cartilage fragments; … Read more