Inclusion Criteria:  All adult patients undergoing a total thyroidectomy without previous neck surgery.  Exclusion Criteria:  Children and teenagers (<18 years old) Patients refusing participation or unable/unwilling to sign the informed consent Patients with a completion thyroidectomy Patients with planned central and lateral neck lymph node dissections (thyroid cancer) Patients with previous neck surgery Patients with a known allergy/hypersensitivity to indocyanine green