These two diseases have obviously different symptoms during the onset period, and they can generally be distinguished through formal examinations. Thyroid cyst B-ultrasound can check whether there are cancer cells if there are cysts, and hyperthyroidism can be judged by checking thyroid hormone levels. The two diseases can affect each other.

Thyroiditis is a common form of thyroiditis, characterized by lymphocyte infiltration, accompanied by eosinophilic change in the cytoplasm of follicular epithelial cells. It generally causes enlargement of the throat, pain, etc. If left untreated, thyroid cancer may develop.

Hyperthyroidism is a disease caused by the thyroid gland secreting too much thyroid hormone. Excessive thyroid hormone can cause a series of clinical manifestations, such as heat intolerance, excessive sweating, hyperappetite, weight loss, palpitation, emotional stress, and irritable temper.