Endocrine Abstracts

Introduction: Paraganglioma (PGL) develops from cells of the parasympathetic and sympathetic system. It usually manifests as a slow- growing and painless mass. PGL may be hereditary, benign, malignant, unilateral or bilateral tumors. In most cases PGL is located around the common carotid artery but may also be located within the middle ear or in the abdomen. Non functional retroperitoneal PGL are rare tumors, usually asymptomatic, and can attain big dimensions. Mutations in th...

Introduction: Cystic masses of neck consist of a variety of pathologic entities. The age of presentation and clinical examination narrow down the differential diagnosis. In adults are considered to be malignancies until proven otherwise (thyroid lesions, salivary gland neoplasms, metastatic squamous cell carcinoma and lymphatic malformations such as the cystic lymphangioma. Ultrasound (US) is often used for initial evaluation. Computed tomography (CT) and MRI provides addition...