title: Borderline thyroid function tests: so easy to look at, so hard to define.
abstract: Thyroid function tests are the most commonly requested endocrine investigations in both primary and secondary care. Attention to detail is vital, as the appropriate interpretation may point to conditions other than thyroid disease itself. We describe two cases of hypopituitarism masquerading as borderline thyroid function tests.
authors.affiliation: Department of Biochemistry, Queen Elizabeth Hospital, Gateshead NHS Foundation Trust, Sheriff Hill, Gateshead NE96SX, UK. zahra.khatami@ghnt.nhs.uk
authors.forename: Zahra
authors.initials: Z
authors.lastname: Khatami
authors.forename: Graham
authors.initials: G
authors.lastname: Handley
authors.forename: Helene
authors.initials: H
authors.lastname: Brandon
authors.forename: Jolanta
authors.initials: J
authors.lastname: Weaver
mesh_terms: D000328:Adult; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007018:Hypopituitarism / Q000097:blood / Q000175:diagnosis*; D008297:Male; D013959:Thyroid Diseases / Q000175:diagnosis* / Q000503:physiopathology*; D013960:Thyroid Function Tests; D013961:Thyroid Gland / Q000502:physiology* / Q000503:physiopathology*