[Parathormone determination with synthetic human parathormone 1-34 (PTH) (author's transl)].

Using synthetic human parathormone 1-34, a radioimmunological method for measuring this hormone fragment was developed which, as the amino-terminal PTH assay, permits the measurement of the concentration gradient in the neighborhood of OTH-secreting tumors. The use of preoperative location diagnosis in primary hyperparathyroidism is demonstrated with some typical cases, especially in revision operations.