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Medicine Diseases of Thyroid e7d2b8b3

Vitamin D deficiency has all of the following except?

A
Hypocalcemia
B
Increased SAP
C
Increased PTH
D
Hyperphosphatemia
High-Yield Explanation
Vitamin D deficiency leads to Hypocalcemia. This results in secondary increase in PTH. This PTH now acts on proximal convoluted tubule to cause loss of phosphate. The increased bone turnover causes an increase in serum alkaline phosphate. Impoant calcium/phosphate and SAP fluctuations. Condition Rickets Hyperparathyroidism Osteoporosis Paget Disease Chronic Renal Failure Serum calcium Less Increased Normal Normal Less Serum phosphate Less Less Normal Normal Increased SAP Increased Increased Normal Dispropoionate increased Increased PTH Increased Increased Normal Normal Increased

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