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Endocrinology and Metabolism — Conditions We Treat

The following conditions are some of the most common conditions treated by specialists in this area. These specialists offer expert care for many other related medical problems. If you need care for a condition not listed here, please call (888) 352-RUSH (7874) to find a doctor who can help you.

  • Acromegaly

    Acromegaly is a rare condition usually caused by a tumor in the pituitary gland. In people who have it, the pituitary gland releases too much growth hormone. This can cause a variety of symptoms — including abnormal enlargement of the hands, feet or facial bones.
  • Adrenal insufficiency occurs when your adrenal glands do not function properly. Adrenal glands, which sit on top of your kidneys, produce many hormones. Cortisol helps your body respond to stress. Aldosterone affects the balance of fluid in your body.
  • Cushing’s Syndrome

    Cushing’s syndrome is a hormonal disease in which the body is exposed to high levels of the hormone cortisol. Exposure to high levels of cortisol can occur from taking synthetic hormones (glucocorticoids) to treat conditions that cause inflammation, including asthma and certain autoimmune disorders.
  • Diabetes occurs when you lack the hormone insulin or when your insulin is not able to work effectively to move blood sugar (blood glucose) to the body’s cells. That causes glucose to rise to abnormally high levels in your blood, which can cause damage to many organs.
  • Diabetes Insipidus

    Diabetes insipidus is an uncommon kidney disorder whose symptoms include extreme thirst and frequent urination. Diabetes insipidus is not related to diabetes mellitus, a much more common disease that causes people to have abnormally high blood glucose (sugar) levels.
  • Ehlers-Danlos syndrome (EDS) is a group of inherited conditions that affect collagen. Collagen is the material that provides strength and structure to skin, bone, blood vessels and internal organs.
  • Discovering gender identity is a natural part of the human experience, and we recognize that gender is not restricted to binary roles of male and female. At times, who we identify as may differ from the anatomy we were assigned at birth, leading to significant distress and health implications. An endocrinologist can help assist in determing if hormone therapy is right for you, and what that entails. Rush University Medical Center is proud to have health care professionals from various specialites to assist in care that is right for you.
  • Goiter

    Goiter is a chronic enlargement of the thyroid gland. It can occur in people whose diets do not include enough iodine, a chemical the thyroid needs in order to work properly. In some cases, goiter has no known cause.
  • Graves’ disease is a problem where the immune system accidentally attacks the thyroid gland in your neck, causing it to get bigger (form a goiter) and become overactive. The overactive thyroid gland causes a number of symptoms called “hyperthyroidism.” People with Graves’ disease can also get bulging eyes and skin problems, especially in the legs.
  • Growth Hormone Deficiency (GHD)

    Growth hormone deficiency (GHD) is a condition in which the pituitary gland does not make enough growth hormone. Growth hormone deficiency can occur in adults and children. In children GHD can be present at birth. Adult growth hormone deficiency (AGHD) can develop as a result of a pituitary tumor or have been present since childhood.
  • Hyperaldosteronism

    Hyperaldosteronism, also known as Conn syndrome, occurs when the adrenal gland releases too much aldosterone, a hormone that helps regulate blood pressure. The most common cause of hyperaldosteronism is a nodule or benign tumor in the adrenal gland.
  • Hypercalcemia

    Hypercalcemia is too much calcium in the blood. Having too much calcium in the blood can cause kidney stones and weaken bones. Hypercalcemia is often due to parathyroid glands that produce too much parathyroid hormone, a hormone that works with vitamin D to regulate calcium in the body.
  • Primary hyperparathyroidism occurs when one or more of the four parathyroid glands are secreting too much parathyroid hormone (PTH).
  • Hyperthyroidism, often called overactive thyroid, is a condition caused by too much thyroid hormone. Thyroid hormone comes from the thyroid gland, a small, butterfly-shaped gland in the front of the neck.
  • Hypocalcemia

    Hypocalcemia is too little calcium in the blood. Low levels of calcium for an extended period can cause brittle, weakened bones. Hypocalcemia is often due to parathyroid glands that produce too little parathyroid hormone (a hormone that helps regulate calcium in the body) or having too little vitamin D.
  • Hypoparathyroidism occurs when the parathyroid glands do not secrete enough PTH. This may cause bone, muscle, nerve or skin problems.
  • Hypopituitarism

    Hypopituitarism occurs when the pituitary gland does not produce normal amounts of all or some of the hormones it typically produces. The pituitary gland produces many critical hormones, including oxytocin (stimulates contractions during labor), luteinizing hormone (controls sexual function and fertility) and growth hormone. Hypopituitarism symptoms include a decreased sex drive, fatigue, sensitivity to cold, loss of armpit or pubic hair, and infertility.
  • Hypothyroidism, often called underactive thyroid, is a condition caused by too little  thyroid hormone. Thyroid hormone comes from the thyroid gland, a small butterfly-shaped gland in the front of the neck. Too little thyroid hormone causes many body functions to slow down.
  • Low Testosterone

    Low testosterone levels can cause a variety of symptoms in men, including loss of sexual function and decreased muscle mass. Levels of testosterone, the most important male sex hormone, decrease naturally with age. Testosterone therapy can sometimes help with symptoms caused by low levels of the hormone.
  • With osteoporosis, deterioration of bone tissue reduces bone strength, making bones fragile. Osteoporosis makes the wrist, hip, spine and other parts of the skeleton vulnerable to fractures. Falls in people with osteoporosis can lead to serious health consequences.  
  • Parathyroid Cancer

    Parathyroid cancer is a cancerous growth in one or more of the four pea-sized parathyroid glands located on top of the thyroid gland. Surgery to remove the cancer is the most common treatment.
  • Pheochromocytoma

    Pheochromocytomas are rare neuroendocrine tumors that form in the adrenal glands, which sit on top of the kidneys and produce hormones such as adrenaline (epinephrine) and dopamine. A pheochromocytoma can cause the body to produce too many of these hormones.
  • Pituitary tumors are abnormal growths of tissues (known as neoplasms) that grow in the pituitary gland. The pituitary gland is a small endocrine gland found at the base of your brain.
  • The underlying cause of polycystic ovary syndrome (PCOS) is an overproduction or a hypersensitivity to androgens in women.
  • Prolactinoma

    Prolactinoma is a benign pituitary tumor that releases too much of the hormone prolactin into the body. Prolactin is the hormone that regulates milk production in women, so a woman with a prolactinoma may produce breast milk even if she is not pregnant or nursing.
  • Cancer of the thyroid, a small gland located at the front of the neck, is usually slow-growing. With proper diagnosis and treatment, most people who have thyroid cancer will be cured.
  • Thyroid nodules are very common and usually don’t cause any symptoms or require any treatment. In a small number of cases, though, they may be cause for concern.
  • Turner Syndrome

    Turner Syndrome is a genetic disorder (caused by a missing X chromosome) in girls. Girls who have this syndrome are short, and their ovaries don’t work properly, which typically means women with Turner syndrome are infertile. Although is no cure, many of the symptoms are treatable.