phuluong2k
Forum Fanatic
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What is the different signs on X ray of both ?
Only by X ray can we differentiate the two disease ?
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| dxtxpx
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DIFFERENTIATION OF OSTEOPROSIS FROM OSTEOMALACIA
[B]Definition[/B]Osteoporosis:Bone mass reduced, mineralisation normal Osteomalacia:Bone mass variable, Mineralisation decreases
Age at onset OsteoporosisGenerally elderly and postmenopausal OsteomalaciaAny age
Etiology OsteoporosisIdiopathic, Endocrine abn., inactivity,disuse,alcoholism,calcium deficiency Osteomalacia Vitamin D deficiency, abnormality of vit D pathway, hypophosphatasia syndromes, renal tubular acidosis
Symptoms Osteoporosis Pain referable to site Osteomalacia Generalised bone pain
Signs OsteoporosisTenderness at fracture site OsteomalaciaTenderness at fracture site and generalised tenderness
Radiographic features Osteoporosis Mainly axial skeleton fracture Osteomalacia Often symmetric pseudofractures or completed fracture in appendicular skeleton
Lab tests Serum Calcium & Serum phosphate (normal), Alkaline phosphatase (normal even within 5 days of new fracutre), Urinary Calcium (high or normal), Bone biopsy (tetracycline labels normal)
Osteomalacia Serum Calcium (Low or normal ( high in hypophosphatasia), Serum phosphate (Low or normal), Alk phosphate (Elevated unless hypophosphatasia), Urinary Calcium (Normal or low (high in hypophosphatasia), Bone biopsy (Tetracycline labels abnormal)
Disorder: Specific radiographic clues
osteomalacia: looser zones
hyperparathyroidism: subperiosteal resorption
disseminated multiple myeloma: focal lytic lesions
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| asmi
Forum Hero
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you are indeed great :idea:
How do you have so much patience to write in detail ?
Thanks a lot
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| dxtxpx
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mostly I dont write, I copy and paste from internet site, and then just rearrange it
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| guangyu
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thank you very much
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| mjl1717
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Yeah, they're all tough customers.
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Smell the coffee! "Is That an Osler move??"
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