Endocrine Abstracts

Introduction: Male hypogonadism is defined by lower levels of testosterone than expected for age-matched individuals. In primary or hypergonadotropic hypogonadism, LH and FSH show a compensatory elevation to low testosterone levels, while in the secondary or hypogonadotropic hypogonadism the low testosterone levels are a result of insufficient gonadotropin levels. Hyperprolactinemia is a cause of hypogonadotropic hypogonadism. It is not only caused by lactotroph adenomas (prol...

Postpartum thyroid dysfunction occurs in 5–10% of women in the general population within one year of delivery. The prevalence of postpartum Graves’ disease is estimated at 0.54%. Postpartum thyroiditis is much more common. Differential diagnosis is essential for an adequate treatment. Radioactive iodine uptake can be useful to establish the etiologic diagnosis, but is contraindicated during lactation. Elevated titers of antithyrotropin receptor antibodies (TRAbs) are...