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21 terms

path. ch. 4

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vertebral anomalies
incidental findings..cervical ribs, transitional vertebrae (LS junction)
spina bifida
posterior defect of the spinal cord resulting from failure of the posterior elements to fuse properly
osteopetrosis
"marble bone" very dense, white bones
osteogenesis imperfecta
brittle bones, disorder of connective tissue unusual blue color of normally white sclera of the eye
achondoplasia
dwarfism, diminished proliferation of cartilage in the growth plate
hip dysplasia
incomplete acetabulum formation. most common in females
rheumatoid arthritis
chronic systemic disease, joints of hands and feet, no known cause,3x more common in females
osteoarthritis
degenerative joint disease, normal w/ aging process, loss of joint cartilage, affects weight bearing joints
infectious arthritis
pyogenic (pus forming) organisms gain entry into joint
bursitis
inflammation of bursae from repeated physical activity, trauma, rheumatoid, gout, or infection
rotator cuff tear
tear of musculotendinous structure in shoulder
meniscal tear of knee
common cause of knee pain
osteomyelitis
(bacterial) infection of bone marrow and bone caused by infectious organisms that reach bone by spread from another site of infection or by direct introduction, after trauma or surgery
tuberculous osteomyelitis
rare today, most commonly involves T and L spine also known as Pott's disease
osteoporosis
mass of bone decreased but normal composition
osteomalacia
insufficient mineralization of adult skeleton
rickets
vit D deficiency, disease of infancy and childhood that is equal to oseomalacia in the adult skeleton
gout
disorder in matabolism of purine (component of nucleic acid) increase in blood level of uric acid
paget's
chronic metabolic disease of skeleton, destruction of bone, followed by a reparative process results in weakened, deformed, and thickened bones that fracture easily
fibrous dysplasia
begins during childhood, proliferation of fibrous tissue w in medullary cavity, loss of trabecular markings and widening of bone
ischemic necrosis
loss of blood supply