In addition, hypophosphatemia, that occurs due to primary hyperparathyroidism, may show symptoms caused by the associated hypercalcemia.

外，原发性甲旁亢进引起的低磷血症，可呈现由相关高钙血症引起的症。

Hypercalcemia can result from increased calcium absorption in the gastrointestinal tract as well as hormonal causes like primary hyperparathyroidism.

胃肠道大量吸收钙可引起高钙血症，外还有激素分泌失调，如原发性甲旁亢进。

The exact reason why these stones form is usually unknown, but there are some known risk factors like hypercalcemia and hypercalciuria, having too much calcium in the blood and urine, respectively.

结石形成的确切病因至今未明，但存在一些已知的危险因素，比如说高钙血症、高钙症，即血液和液中钙含量相对较高。