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bone density loss (rickets (defect in mineralisation or osteoid production…
bone density loss
rickets
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primary growth plate changes
reduced calcification in physis
cartilage is poorly organised, poorly mineralised the growth plate appears widened and irregular
cupped (mushroom) appearance
cortical thinning and bowing of extremities
therapy can reverse deformity if started early
stress fracture
cortical thinning
mushroom appearance of growth plates from widening and flattening
reduced density of epiphysis
associated with genu varum
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osteoporosis
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polio/charcot - marie - tooth, stroke
elevated serum calcium phosphate, increase urinary calcium excretion
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osteogenesis imperfecta
inability to produce osteoid enough, normal walking could cause fracture
skeletal dysplasias
osteopoikilosis
small oval sclerotic lesions in epiphysis and metaphysis
smaller that compact bone island and multiple
periarticular, symmetrical at ends of long bones
osteogenesis imperfecta
brittle bone - diffuse cancellous osteopenia (coarse primary trabeculae), diminished tubular bone girth
osteopetrosis
rare, dense brittle bones - fail of osteoclasts to reabsorb during growth
transverse lines in metaphysis
bone in bone apperance
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