What Are Endocrine Disorders?
The endocrine system is a network of glands and organs that produce, store, and secrete hormones directly into the bloodstream to regulate metabolism, growth, reproduction, and mood. Endocrine disorders arise when these glands produce too much or too little hormone, or when tumors develop within endocrine tissues. The most prevalent endocrine condition globally is diabetes mellitus, but the specialty also encompasses thyroid disease, pituitary tumors, adrenal disorders, and metabolic bone disease. Ruijin Hospital's endocrinology department is one of China's most prestigious, home to nationally recognized specialists including Professors Ning Guang and Wang Weiqing.
Common Endocrine Conditions
- Type 2 diabetes mellitus — the most common metabolic disease worldwide; characterized by insulin resistance and progressive beta-cell failure
- Type 1 diabetes mellitus — autoimmune destruction of pancreatic beta cells; requires lifelong insulin therapy
- Thyroid cancer — papillary, follicular, medullary, and anaplastic subtypes; incidence rising globally
- Hyperthyroidism — Graves' disease, toxic nodular goiter; excess thyroid hormone production
- Hypothyroidism — Hashimoto's thyroiditis; underactive thyroid causing fatigue, weight gain, and depression
- Pituitary tumors (adenomas) — prolactinoma, acromegaly (GH excess), Cushing's disease (ACTH excess), non-functioning adenomas
- Adrenal disorders — Cushing's syndrome, primary hyperaldosteronism (Conn's syndrome), pheochromocytoma, adrenal insufficiency
- Osteoporosis and metabolic bone disease — low bone density increasing fracture risk
- Obesity and metabolic syndrome — complex interplay of insulin resistance, hypertension, dyslipidemia
- Polycystic ovary syndrome (PCOS) — hormonal disorder causing irregular periods, infertility, and metabolic complications
Symptoms
Symptoms vary widely by condition:
- Diabetes — excessive thirst and urination, fatigue, blurred vision, slow wound healing, recurrent infections
- Hyperthyroidism — weight loss, rapid heartbeat, heat intolerance, tremor, anxiety, bulging eyes (Graves')
- Hypothyroidism — fatigue, weight gain, cold intolerance, constipation, dry skin, depression
- Acromegaly — enlarged hands, feet, and facial features; joint pain; sleep apnea
- Cushing's syndrome — central obesity, moon face, buffalo hump, purple stretch marks, easy bruising
- Pheochromocytoma — episodic hypertension, headache, sweating, palpitations
- Osteoporosis — often silent until a fragility fracture occurs
Diagnosis
Ruijin Hospital's endocrinology team uses comprehensive hormonal and imaging assessment:
- Fasting glucose, HbA1c, and oral glucose tolerance test (OGTT) — for diabetes diagnosis and monitoring
- Thyroid function tests (TSH, free T3, free T4) and thyroid antibodies
- Thyroid ultrasound and fine needle aspiration (FNA) — for thyroid nodule assessment
- Radioactive iodine uptake scan — for hyperthyroidism evaluation
- Full hormonal panel — cortisol, ACTH, growth hormone, IGF-1, prolactin, aldosterone, renin, catecholamines
- Dynamic hormonal testing — dexamethasone suppression test, CRH stimulation, insulin tolerance test
- Pituitary MRI — for adenoma detection and characterization
- Adrenal CT or MRI — for adrenal mass evaluation
- DEXA scan — bone mineral density measurement for osteoporosis
- Continuous glucose monitoring (CGM) — for detailed glycemic pattern assessment
Treatment Options
Ruijin Hospital offers individualized, evidence-based endocrine care:
- Diabetes management — lifestyle modification, oral agents (Metformin, SGLT2 inhibitors, GLP-1 agonists), insulin therapy, insulin pump (CSII), and continuous glucose monitoring
- Metabolic surgery — bariatric/metabolic surgery for obese type 2 diabetic patients; Ruijin Hospital has one of China's leading metabolic surgery programs
- Thyroid cancer surgery — total or hemithyroidectomy with lymph node dissection; followed by radioactive iodine (RAI) ablation as indicated
- Radioactive iodine therapy — for hyperthyroidism and differentiated thyroid cancer
- Antithyroid medications — Methimazole, Propylthiouracil for hyperthyroidism
- Pituitary tumor management — dopamine agonists (Cabergoline) for prolactinoma; transsphenoidal surgery for non-functioning adenomas and acromegaly; Somatostatin analogues (Octreotide) for GH excess
- Adrenal surgery (adrenalectomy) — laparoscopic removal of pheochromocytoma, aldosteronoma, or adrenal cortisol-secreting tumors
- Osteoporosis treatment — bisphosphonates, Denosumab, Teriparatide, Romosozumab based on fracture risk
- PCOS management — lifestyle intervention, Metformin, oral contraceptives, ovulation induction
Why Treat Endocrine Disorders in Shanghai?
- Ruijin Hospital's endocrinology department is one of China's most prestigious, with a national reputation for excellence in diabetes, thyroid disease, and pituitary disorders
- Professor Ning Guang is an Academician of the Chinese Academy of Sciences and one of Asia's most influential endocrinologists
- Access to the latest diabetes technologies including CGM, insulin pumps, and closed-loop systems
- One of China's leading metabolic surgery programs for diabetes remission
- Treatment costs significantly lower than equivalent care in Western countries
Our Specialists
Professor Ning Guang (宁光) — Academician, Chinese Academy of Sciences; former President of Ruijin Hospital. A world authority on diabetes, obesity, and metabolic disease, with landmark contributions to understanding the epidemiology and genetics of diabetes in Chinese populations.
Professor Wang Weiqing (王卫庆) — Chief of Endocrinology, Ruijin Hospital. Expert in pituitary and adrenal disorders, thyroid disease, and metabolic bone disease, with extensive clinical and research experience.
How CMCS Can Help
China Medical Concierge Shanghai (CMCS) coordinates comprehensive endocrine care for international patients at Ruijin Hospital — from arranging specialist consultations and hormonal testing, to facilitating imaging, coordinating surgical procedures, providing medical interpretation, and supporting long-term disease management and follow-up care in Shanghai.
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