The diagnosis of hyperparathyroidism is dependent on the laboratory detection of chemical changes which occur in the blood and urine when this condition is present. The definitive treatment of this condition requires surgery. Unless it is treated, debilitating or fatal complications, especially due to renal damage, result. Therefore dependable diagnostic laboratory tests are important. In recent years several tests which promise to provide more definite diagnostic criteria for this condition and to permit the diagnosis of early and mild forms of the disease have evolved.
Problems in the Diagnosis
Traditionally, the diagnosis of hyperparathyroidism has been based on the following findings:1. Either osteitis fibrosa cystica or renal calcification in the form of stones or nephrocalcinosis. Osteitis fibrosa cystica is uncommon in this country at the present time because our diet is high in calcium and phosphorus. The number of diagnoses of hyperparathyroidism established in various clinics in this country