renal failure | Renal failure | End stage renal disease | Renal Support Network | Renal tubular acidosis | Renal function | Renal Failure | Renal cell carcinoma |
Quaternary and quintary are rare conditions that may be observed after surgical removal of primary hyperparathyroidism, when it has led to renal damage that now again causes a form of secondary (quaternary) hyperparathyroidism that may itself result in autonomy (quintary) hyperparathyroidism.