Endocrine Abstracts

Objective: Silent corticotroph adenomas (SCA) are rare pituitary tumours immunoreactive for ACTH but without clinical evidence of Cushing’s disease. They have been compared to non functioning pituitary adenomas or ACTH adenomas with Cushing’s disease, but no distinction has been made between micro and macro ACTH-adenomas. We characterize SCA on clinical, hormonal and molecular data and compared the characteristic of these tumours with those of macro (MCA) and micro A...

Introduction: Various tumours have a worse prognosis in male than in female. This is also true for lactotroph tumours. Indeed it is known that aggressive and malignant tumours, resistant to dopamine agonists, are more frequent in male than female and are associated to lower ESR1 expression.Objectives: Our aims are to study the genes differentially expressed and the chromosomic alterations in lactotroph tumours between male and female and their relationsh...