甲こう状じょう腺せん炎えんMeanings1nounthyroiditismedicineMedical term for inflammation of the thyroid gland.甲こう状じょう腺せん炎えんは自じ己こ免めん疫えき疾しっ患かんの一ひとつです。Thyroiditis is one of the autoimmune diseases.