Differentiated thyroid cancer and pregnancy.

Thyroid cancer is second most common malignancy diagnosed during pregnancy. Differentiated thyroid cancer (DTC) is more common in reproductive age group due to its association with oestrogen and human chorionic gonadotropin. Evaluation and management of DTC has changed from an aggressive approach, now, to a more conservative approach. Management of DTC must be coordinated among the different specialists which include the surgeon, endocrinologist, radiologist, pathologist and, in pregnant patients, the obstetrician. Generally, DTC can be postponed till delivery, but exceptions include airway compromise, aggressive cytologic features, invasion of surrounding tissue, extracapsular spread and poor prognostic factors.