Association between thyroid hormone balance and thyroid volume in patients with nontoxic nodular goiter.
Previous studies have suggested that the serum free triiodothyronine (FT3)/free thyroxine (FT4) ratio reflects thyroid hormone metabolism and may be altered in goitrous thyroid diseases. However, its relationship with thyroid volume (TV) in nontoxic nodular goiter remains unclear. We retrospectively analyzed 3,841 pati...