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

此外，原发性甲旁腺功能亢进起的低磷，可能呈现由相关高钙起的。

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

胃量吸收钙可起高钙，此外还有激素分泌失调，如原发性甲旁腺功能亢进。

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、高钙尿，即液和尿液中钙含量相对较高。