Endocrine Abstracts

Introduction: Most cases of prepubertal gynecomastia are classified as idiopathic. However, an exogenous or endogenous hyperestrogenism (from estrogen producing testis or adrenal tumors) has always to be excluded. Other rare underlying endocrine causes are congenital adrenal hyperplasia, aromatase excess, hyperthyroidism and hyperprolactinemia1,2.We report a transient hyperprolactinemia, beside other ignored clinical and hormonal signs of estr...