Borderline thyroid function tests: so easy to look at, so hard to define.
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.
Khatami
Zahra
Z
Department of Biochemistry, Queen Elizabeth Hospital, Gateshead NHS Foundation Trust, Sheriff Hill, Gateshead NE96SX, UK. zahra.khatami@ghnt.nhs.uk
Handley
Graham
G
Brandon
Helene
H
Weaver
Jolanta
J
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*