Nodular thyroid disease

doi:10.1136/bmj.323.7322.1184

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Abnormal thyroid function may be positive discriminator for malignancy

G L Sayer, specialist registrar in general surgery (gabrielsayer@hotmail.com)

King's College Hospital, London SE5 9RS
Swansea NHS Trust, Singleton Hospital, Swansea SA2 8QA

EDITOR—Keston Jones states that testing of thyroid function is still one of the cornerstones of investigation in nodular thyroid disease.1 He also states that overt thyroid dysfunction effectively rules out the possibility of malignancy.

Thyroid function tests will not help in the discrimination of a nodule as they give no description of the nodule. In addition, malignancy may occur in patients with hyperthyroidism and a …