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继发性甲旁亢的病因按传统的概念,甲状旁腺发生了腺瘤,自主地分泌过多的甲状旁腺激素,就是原发性甲旁亢。如患者有慢性肾脏疾病发生软骨病,即所谓肾性骨营养不良症;或由于维生素D的绝对或相对不足,发生佝偻病或软骨病;上二情况均有低钙血症。低钙血症使甲状旁腺分泌更多的PTH;如增多的PTH能使血钙上升至正常水平,就发生继发性甲旁亢。在SHPT的基础上如血钙超过正常水平,就成为第三性甲旁亢。从上述概念看来,无论是原发性、继发性或
According to the traditional concept of the cause of secondary hyperparathyroidism, adenoma occurred in the parathyroid gland, autonomous secretion of excessive parathyroid hormone, is the primary hyperparathyroidism. If patients with chronic kidney disease, cartilage disease, the so-called renal osteodystrophy; or due to the absolute or relative lack of vitamin D, the occurrence of rickets or cartilage disease; the second case has hypocalcemia. Hypocalcemia makes the parathyroid secretion of more PTH; such as increased PTH can make calcium up to normal levels, the occurrence of secondary hyperparathyroidism. On the basis of SHPT such as serum calcium than normal, it becomes a tertiary hyperparathyroidism. From the above concept, whether it is primary, secondary or