<prompt> Goitrous form of autoimmune thyroiditis is called as:Myxoedema.Hashimotos disease.Riedels thyroiditis.All of the above.  <response>: Non goitrous form of autoimmune thyroiditis is called primary myxoedema and goitrous form is called Hashimotos disease. Presence of high serum titres of antithyroid antibodies is characteristic of autoimmune thyroiditis. 