1 Clinical School of Medicine, Jining Medical University, Jining, Shandong, China 2 Department of Pathology, Affiliated Hospital of Jining Medical University, Jining, Shandong, China The rare ...

Hyperthyroidism occurs when the thyroid gland produces excess thyroid hormone, leading to an overactive thyroid. This hormone imbalance affects metabolism, causing the body's cells to use energy ...