Endocrine Abstracts

Background: Melatonin is mostly known as a circadian hormone, but it also has effects in a large number of cellular processes (cell differentiation, proliferation, apoptosis, redox balance). Although it was studied in many tumours, very little is known about his role in pharyngo-laryngeal carcinomas.Aim: To evaluate serum melatonin levels in patients with pharyngo-laryngeal malignant tumours preoperatively and after surgical excision of the malignancy.</...