Endocrine Abstracts

Background: Hemangiopericytoma (HPC) is a malignant vasculary tumor originate from pericytes around the capillary and venules. İntracranial hemangiopericytomas usually arise from meninges, rarely they locate periventricular, suprasellar or sellar. Because of the malignancy potential, the differential diagnosis is important. A rare case of sellar HPC mimicking non-functional pituitary adenoma will be presented.Case report: A 45 years old woman has a...

Introduction: Papillary thyroid carcinoma (PTC) is the most common thyroid carcinoma and is derived from thyroid follicular cells which originate from the endodermal origin. In contrast, medullary thyroid carcinoma (MTC) is rare and originates from the parafollicular C-cells, which are commonly thought to be derived from the ectodermal neural crest. Co-incidence of the two condition on the same patient is so rare. We describe a case of concurrent MTC and PTC occurring in the s...