[Diagnosis of primary hyperparathyroidism by selective determination of parathyroid hormones].

Due to a hypercalcaemia and changeably appearing hypercalciuria 13 patients with relapsing urolithiasis were under suspicion of a primary hyperparathyroidism. After selective sounding and withdrawal of blood from the cervical veins in all cases the determination of parathormones was performed and always an increased activity of parathormones was found. The exploration of the cervical region carried out could in 11 performed operations in 8 cases prove an adenoma and in 3 cases a hyperplasia as cause of hyperparathyroidism.

[The significance of dyshormonal changes in the hypothalamo-hypophyseal-gonadal system in the diagnosis of infertility and impotence in the male].

On 17 male patients with infertility and 13 with impotence hormonal changes in the hypothalamus-hypophyse-testiculary system have been investigated by radioimmunoassay. On patients with infertility low plasmatestosteron and increased LH and FSH levels were found. 2.