Endocrine Abstracts

Introduction: In primary hypothyroidism, the increase in TRH may cause hyperplasia in the pituitary gland. It has been reported that long-standing hypothyroidism might also cause irreversible pituitary damage, which may lead to a deficiency in one or more pituitary hormones. Herein, we report a case with primary autoimmune hypothyroidism causing pituitary enlargement mimicking pituitary macroadenoma and secondary adrenal insufficiency. Case: A 17-year-ol...

Introduction: Giant prolactinomas are rare tumors accounting for 2–16% of all prolactinomas. They may be aggressive and invasive. Rarely, they might not have a suprasellar component and grow downward. Such extension can make it difficult to distinguish pituitary adenoma from other skull base tumors. We present a case that was considered to be chordoma based on clinical and radiological imaging features, but was diagnosed as prolactinoma by pituitary biopsy.<p class="a...