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Diagnose of GH-deficiency: comparing the dietary-protein test with conventional Growth Hormone Stimulation Tests

To investigate if there is a correlation between the peak GH concentrations after ingestion of gelatin protein and the peak GH concentrations after the two standard tests (GHST) in order to discriminate between GHD and non-GHD. To investigate the…

Use of Copeptin Measurement after Arginine Infusion for the Diagnosis of Diabetes Insipidus
- the CARGOx Study

The primary objective of this prospective international multicenter diagnostic study is the comparison of the diagnostic accuracy between copeptin measurement after arginine-stimulation (CAS) and the current best diagnostic test copeptin measurement…

Comparison of two methods to improve the outcome of a ultrasound assisted fine needle aspiration biopsy (FNAB) of the thyroid gland.

Primary objective: - obtain an comparison in diagnostic results of two methods of ultrasound assisted fine needle aspiration biopsies (FNAB) of the thyroidal gland in the Jeroen Bosch hospital (JBZ).Secondary objective:- can the cytological thyroid…