Department of Endocrinology is the department that diagnoses and treats various tumors and inflammatory diseases of endocrine organs and diseases that are caused by imbalance and abnormalities of hormones secreted by endocrine organs such as the pituitary gland, thyroid, pancreas, adrenal gland, ovaries and testes. Typical diseases include thyroid cancer, hyperthyroidism or hypothyroidism, diabetes, osteoporosis, pituitary tumor, hyperlipidemia, adrenal dysfunction and obesity.