title: Subacute thyroiditis presenting as fever of unknown origin.
abstract: Subacute thyroiditis is a painful, inflammatory disease of the thyroid gland, probably of viral origin. It is an uncommon but important cause of fever of unknown origin (FUO). We report a case of a 72-year-old man who presented with a 1 month history of fever, headache and weakness, and in whom extensive evaluation only revealed subacute thyroiditis. He was treated with low-dose steroids and became asymptomatic after 2 weeks. In conclusion, when a patient presents with FUO, subacute thyroiditis should be considered as a possible cause even if classic features are absent.
authors.forename: G N
authors.initials: GN
authors.lastname: Karachalios
authors.forename: K
authors.initials: K
authors.lastname: Amantos
authors.forename: K V
authors.initials: KV
authors.lastname: Kanakis
authors.forename: A
authors.initials: A
authors.lastname: Deliousis
authors.forename: I G
authors.initials: IG
authors.lastname: Karachaliou
authors.forename: A K
authors.initials: AK
authors.lastname: Zacharof
mesh_terms: D000368:Aged; D005335:Fever of Unknown Origin / Q000209:etiology*; D006801:Humans; D008297:Male; D013968:Thyroiditis, Subacute / Q000150:complications*