Endocrine Abstracts

Neurohypophysial hormone, arginine–vasopressin (AVP) concentrations in human plasma and in the plasma, and hypothalamus of the rat display diurnal variations with rising levels over the hours of sleep. Previous reports indicate that AVP infusions reduce rapid-eye-movement sleep in humans and increase the amount of time spent in waking in rats. Our aim was to determine whether AVP content of the rat hypothalamus is altered by sleep deprivation (S.D.). Adult ...

The history of a female patient is demonstrated as an example of diagnostic and therapeutical pitfalls in acromegaly. The patient was first operated on a pituitary macroadenoma at her age of 21. Prior to surgery, serum prolactin was found moderately elevated and the patient was raromenorrhoic, without galactorrhea. Soon recurrence of the tumour was trialed with bromocriptine medication, however, without any inhibitory effect on the process. The patient underwent a second neuro...

The incidence of differentiated thyroid cancer gradually increased in the last few decades. Primery thyroid cancer is usually located in the thyroid gland and can be classified into well differentiated and poorly differentiated forms. Sooner or later, these cancers metastatize into local lymphnodes or distant organs.We present the histories of two patients with anusual forms of thyroid cancer.A woman of 64 was admitted in our depar...