Endocrine Abstracts

Multiple endocrine neoplasia type 1 (MEN-1) is characterized by an increased predisposition to the development of tumors of the endocrine tissues, such as parathyroid glands, anterior pituitary, and duodenopancreatic neuroendocrine tumors. It is an autosomal dominant disorder due to germline mutations in the MEN-1 tumor suppressor gene. This gene encodes the menin protein, which is involved in cell growth and differentiation, and in sensing or repairing DNA damage. We present ...

Primary amenorrhea is characterized by the absence of menstruation after the age of 14 without the development of secondary sexual characteristics or after the age of 16 with the development of these. Hypogonadotropic hypogonadism (HH) corresponds to an uncommon etiology of primary amenorrhea. In HH, the differential diagnosis includes Kallmann Syndrome, isolated hypogonadotropic hypogonadism and CHARGE Syndrome. The CHARGE syndrome corresponds to an extremely rare syndrome, w...