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Sign In Username Email Password Confirm Password Sign Up 101 The City Drive South, Pavilion II, Orange, CA 92868 (888) 826-2672 Make an Appointment About Us Clinical Specialties da Vinci® Surgical System Ear Surgery, Hearing Aids & Vertigo Acoustic Neuroma Bone Anchored Hearing Aids Cholesteatoma Chronic Ear Infections Congenital Atresia of the Ear Cochlear Implants Diving and Ear Problems Hearing Aids Hearing Loss Ménière’s Disease Minimally Invasive Endoscopic Skull Base Surgery Otosclerosis Pediatric Ear Surgery Skull Base Tumors Sudden Hearing Loss Superior Canal Dehiscence Surfer’s Ear Tinnitus Vertigo Facial Nerve & Skull Base Surgery Cerebrospinal Fluid Leak Ear Anatomy Endoscopic Pituitary Surgery Facial Nerve Disorders Petrous Apex Lesions, Cholesterol Granuloma, Cyst, Cholesteatoma Radiosurgery (CyberKnife) Temporal Bone Tumors Facial Plastic & Reconstructive Surgery Chin Surgery Eyelid Surgery Ear Surgery Face Lift Surgery Forehead Lift Surgery Laser Facial Peels Nose Surgery Head & Neck Cancer Laryngeal Cancer Lip Cancer Melanoma Nasopharyngeal Cancer Neck Dissection Salivary Gland Cancer Salivary Gland Tumors Skin Cancer Thyroid Cancer Tongue Cancer Tonsil Cancer Vocal Cord Cancer Rhinology, Sinus Surgery & Allergy Aspirin Exacerbated Respiratory Disease Allergies Deviated Septum Image Guided Sinus Surgery Nasal Obstruction Nasal Polyps Nosebleeds Smell and Taste Disorders Sinuses Sinusitis Sinus Headaches Sinusitis Treatment Turbinate Hypertrophy Salivary Glands Parotidectomy Salivary Gland Infection Salivary Gland Stones Sialoendoscopy Submandibular Gland Resection Throat Disorders Aging Voice Bilateral Vocal Cord Paralysis Hoarseness KTP Laser Therapy Papilloma Professional Voice Users Reinke’s Edema Recurrent Respiratory Papillomatosis Laryngitis Laryngopharyngeal Reflux Spasmodic Dysphonia Subglottic Stenosis Surgery for Hoarseness Thyroplasty Vocal Cord Injection Vocal Cord Nodule Vocal Cord Paralysis Vocal Cord Cyst Vocal Cord Granuloma Vocal Cord Hemorrhage Vocal Cord Nodules Vocal Cord Polyp Zenker’s Diverticulum Thyroid & Parathyroid Disorders Hypercalcemia Hyperparathyroidism Hyperthyroidism Hypothyroidism Parathyroid Anatomy Parathyroidectomy Radioactive Iodine Thyroid Anatomy Thyroid Gland Surgery Thyroid Hormones Thyroid Nodules Snoring & Sleep Apnea Sleep Apnea Study Snoring Treatments Snoring Sleep Apnea Treatment Our Doctors Departments Head & Neck Cancer Surgery Nasal & Sinus Surgery Voice & Swallowing Center Otology & Audiology Center Facial/Plastic Surgery General ENT Services Learning Center Blog Useful Links Infographics Insurance Contacts Hyperparathyroidism Home » Clinical Specialties » Hyperparathyroidism The parathyroid glands are tiny glands located in the neck along with the thyroid gland. Although small, these glands are essential in regulating calcium distribution throughout the body. Patients with hyperparathyroidism have an overactive parathyroid gland, which results in elevated levels of parathyroid hormone. Hyperparathyroidism is a common cause of a condition known as hypercalcemia, which is characterized by excess levels of calcium in the bloodstream. Severe cases of hyperparathyroidism may require surgery. Types of Hyperparathyroidism Hyperparathyroidism is normally classified as primary or secondary. Primary Hyperparathyroidism This is the most common form of hyperparathyroidism and accounts for approximately 85 percent of cases. It occurs when there is a problem with the growth or functioning of the parathyroid gland. Secondary Hyperparathyroidism This form of the condition occurs as the result of another health condition. It is common for patients with kidney failure to develop hyperparathyroidism. Secondary hyperparathyroidism is also associated with multiple endocrine neoplasia, which is a group of disorders affecting the various hormone-producing glands. Signs and Symptoms of Hyperparathyroidism Patients often do not develop symptoms until after the excessive calcium production and lack of calcium absorption into the bones has caused damage to various organs and tissues. The high levels of calcium in the blood and urine may cause kidney stones and abdominal pain. Other common symptoms include Excessive fatigue and weakness Unexplained excessive urination Loss of appetite Nausea and vomiting Frequent fractures and signs of osteoporosis related to decreased bone density Memory lapses Contact Us Today Book Appointment How is Hyperparathyroidism Diagnosed? Since a number of conditions can cause elevated blood calcium levels, diagnosing hyperparathyroidism often involves a process of elimination. A blood test may be performed to confirm the diagnosis. The results will typically show elevated calcium and parathyroid hormone. Additional tests may include imaging tests of the kidneys, urinalysis, and bone mineral density scans. How is Hyperparathyroidism Treated? The appropriate treatment for hyperparathyroidism varies based on the severity of the condition and how it is affecting the patient. Mild cases may only require observation and monitoring through regular blood and urine tests. Patients may be encouraged to have periodic bone density scans to ensure that bone strength is not being adversely affected. Most patients with primary hyperparathyroidism eventually require a surgical procedure known as a parathyroidectomy. This procedure involves removing one of the overactive parathyroid glands in the hopes that blood calcium and parathyroid hormone levels will return to normal. In rare cases, all four of the parathyroid glands are determined to be overactive. In this event, three and a half of the glands will be surgically removed. This leaves a small portion of healthy parathyroid tissue to regulate calcium levels. Any additional tumors affecting the glands may also be removed during the surgery. Medication alone may be sufficient to control cases of secondary hyperparathyroidism. The risks of surgery to correct issues with the parathyroid gland are low. In rare cases, the patient may require life-long calcium supplements or experience damage to the nerve responsible for controlling the vocal cords. Schedule Your Visit Today! Make an appointment Orange Location 101 The City Drive South Pavilion II Orange, CA 92868 (888) 826-2672 Irvine Location 250 E. Yale Loop Suite 200 Irvine, CA 92604 (888) 826-2672 Placentia Location 1041 E. 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