Radioiodine treatment of hyperthyroidism. Success rate and influence of thyrostatic medication.

Objective: The aim of this study is to evaluate the response rate of hyperthyroidism to radioactive iodine (RAI) treatment, optimum effective dose, effect of pretreatment with thyrostatic medications, etiology, ophthalmopathy, mortality and cancer incidence post RAI treatment.

Methods: Retrospective study analysis of 360 patients records who received RAI treatment (dose 5-15 mCi) for hyperthyroidism in Hamad Medical Corporation, Qatar between 1984-1999, treated and analyzed. Follow-up data was available in 215 patients, with a follow-up range of 2-10 years, of these 84 were males and 131 were females, with an age range of 12-74 years.

Post-varicella Guillain Barre syndrome.

Varicella-zoster virus (VZV) infection has not often been related to the development of Guillain Barre Syndrome (GBS). However, the close temporal relationship noted between varicella infection and the onset of GBS suggests the participation of VZV in the etiopathogenesis of GBS. Very few cases have been reported showing this relationship.