<prompt> Increased Calcium with Decreased Phosphate levels are seen in:Primary hyperparathyroidismSecondary hyperparathyroidism due to Vitamin D deficiencyMalignancy with lytic bone lesionsOsteoporosis  <response>: Answer is A Primary Hyperparathyroidism: Serum Calcium with Decreased Serum Phosphate levels are typical of Primary Hyperparathyroidism 