Inclusion and exclusion criteria
allergic, thyroid disease
THYROID DISEASE, RENAL INSUFFICIENCY
Included in the trial were patients older than 18 years with thyroid disease scheduled for total thyroidectomy, regardless of the preoperative diagnosis. Patients were excluded if: they had a history of thyroid or parathyroid surgery; were scheduled for concurrent parathyroid surgery; had renal insufficiency; were pregnant or breast feeding; were allergic to the contrast agent (iodine); were unable to understand the study information; or were unable to participate in the planned follow-up programme.