Endocrine Abstracts

Introduction: Riedel’s thyroiditis is a rare disorder of unknown aetiology and may be seen isolated or as a part of multifocal fibrosclerosis. Multifocal fibrosclerosis involves two or more fibrotic disorders including Riedel’s thyroiditis, retroperitoneal fibrosis, sclerosing mediastinitis, retro-orbital pseudotumour and sclerosing cholangitis. We report a case of recurrent Riedel’s thyroiditis as part of multifocal fibrosclerosis presenting with a woody neck s...