Endocrine Abstracts

Introduction: Primary thyroid angiosarcoma (TAS) is a rare malignancy that arises from endothelial cells, and nearly all reported cases originate from the Alpine region of central Europe. Most of the patients are female, elderly, with a history of goiter. Generally, TAS arises as a painless infiltrating mass and patients present with compression symptoms due to the brisk tumor growth. Other TAS clinical presentations are varied and highly non-specific. Metastasis occur early i...

Introduction: A teratoma is a rare type of tumor deriving from the germ layer cells (ectoderm, mesoderm and endoderm), typically benign, more frequent in infants. Adult onset teratomas are most commonly gonadal cell tumors. Extra--gonadal teratomas generally affect the midline, most frequently anterior mediastinum, retroperitoneum, pineal and suprasellar area. Head and neck teratomas are an extremely rare entity and represent only 0.47–6% of all cases.<p class="abste...