The burden of chronic pain after major head and neck tumor therapy.

Introduction: Little is known about the burden of chronic pain after major head and neck tumors' therapy. In this study, we aimed to estimate the prevalence of chronic pain, explore the factors associated with the presence of chronic pain, and assess the consequences of chronic pain on the patients' quality of life.

Methodology: This was a cross-sectional survey among patients who had completed their therapy (e.

Characterization of thyroid function and antithyroid antibody tests among Saudis.

Objective: To determine the reference intervals for thyroid function tests and the prevalence of thyroid autoimmunity in the Saudi population.  

Methods: A cross-sectional prospective study was conducted in King Khalid University Hospital, Riyadh, Saudi Arabia from January to June 2013. History and physical examination were obtained.