title: Riedel's thyroiditis.
abstract: Riedel's thyroiditis is a rare chronic inflammatory disease of unknown aetiology and may be one manifestation of multifocal fibrosis. Four patients were seen over a period of 12 years and unusual presentations in 3 of them caused difficulty in diagnosis. The aetiology and methods of treatment are discussed.
mesh_terms: D001237:Asphyxia / Q000175:diagnosis / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013577:Syndrome; D013966:Thyroiditis / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery