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INC...
But in hyperparathyroidism > breakdown of bone(osteoclasts) > INC Ca in blood
Correct me if I am wrong...
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@peshka
RT, INC
& yes u are correct.
When PTH levels are up in 1ry hyperparathyroidism*, hyperCamia -> results from ↑mobilization of Ca from bone and enhanced intestinal Ca absorption. Now as you mention as ↑ osteoclast activity would be prominent in cortical bone/subperiosteal & endosteal surface but medullary part of bone spare when you look at it u see those railroad tracks( dissecting osteitis) as bone PAIN u see most pat and can be evidence x-ray & as consequently => u see plasma ALP MOST time norm OR slightly up apt*.
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*K* correct here is the ONLY one ALP DEC.