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The effect of aspiration during FNAC of the thyroid on adequacy of cytologic material

Our goal is to evaluate if this onsite assessment and aspiration during punction reduces inadequacy of specimens and see if onsite assessment by the aspirator is performed accurately after a brief instruction by a cytopathologist. Primary Objective…

Comparison of outcome with three different needles in ultrasound assisted fine needle aspiration cytology (FNAC) of the thyroidal gland.

Primary objective: to obtain an comparison of the diagnostic result after an ultrasound assisted fine needle aspiration cytology (FNAC) of the thyroidal gland by use of a smaller diameter (25G) and / or a special coating.

Oral Thyroid hormone In Healthy volunteers Study: an interventional study on the effect of thyroid hormone on coagulation and fibrinolytic parameters.

Primary objective:- To define the overall effect of oral Levothyroxine on coagulation parameters.Secondary objectives:- To define the specific effect of Levothyroxine on each tested coagulation parameters.- To define the specific effect of…

The sensitivity of the pituitary thyrotrophs for ambient thyroid hormone levels.

The aim of this pilot study is;* To determine whether differences between individuals in the set-point of the HPT-axis can be determined by using this study-design,* To examine whether this study design is practicable and tolerated by the healthy…