Parathyroid Disease: Causes, Symptoms, Diagnosis, and Treatment

By Dr. Chandra Veer Singh

Consultant ENT, Head & Neck Cancer Surgeon & Skull Base Surgeon

What is Parathyroid Disease?

Parathyroid disease refers to disorders affecting the parathyroid glands—four tiny glands located behind the thyroid gland in the neck. Although small in size, these glands play a vital role in regulating calcium levels in the body through the production of Parathyroid Hormone (PTH).

Calcium is essential for healthy bones, muscles, nerves, and heart function. When the parathyroid glands produce too much or too little PTH, calcium balance is disrupted, leading to various health problems.

The most common parathyroid disorder is Primary Hyperparathyroidism, in which one or more glands become overactive and produce excessive PTH, resulting in high blood calcium levels.

Types of Parathyroid Disease

1. Hyperparathyroidism

Occurs when the parathyroid glands produce excessive PTH.

Causes:

  • Parathyroid adenoma (benign tumor)
  • Enlargement of multiple glands (hyperplasia)
  • Rarely, parathyroid cancer

2. Hypoparathyroidism

Occurs when the glands produce insufficient PTH, resulting in low calcium levels.

Causes:

  • Neck surgery
  • Autoimmune disorders
  • Genetic conditions

When Should You Worry?

Seek medical attention if you experience:

  • Unexplained fatigue or weakness
  • Persistent bone or joint pain
  • Frequent fractures
  • Kidney stones
  • Excessive thirst
  • Frequent urination
  • Difficulty concentrating or memory problems
  • Depression or mood changes
  • Neck swelling or lump
  • Muscle cramps or tingling sensations

Many patients with hyperparathyroidism remain undiagnosed for years because symptoms are often subtle and develop gradually.

Risk Factors

Certain factors increase the risk of developing parathyroid disease:

Age and Gender

  • More common after 50 years of age
  • Women are affected more frequently than men

Family History

  • Genetic predisposition may increase risk
  • Previous Neck Radiation
  • Radiation exposure to the neck can affect parathyroid glands

Chronic Kidney Disease

  • Can lead to secondary hyperparathyroidism

Vitamin D Deficiency

  • Long-standing deficiency can stimulate excessive PTH production

Possible Complications

If left untreated, parathyroid disease may result in:

  • Osteoporosis
  • Fragile bones and fractures
  • Recurrent kidney stones
  • Kidney damage
  • High blood pressure
  • Heart rhythm abnormalities
  • Cognitive and memory problems

Diagnosis

Early diagnosis helps prevent long-term complications.

Blood Tests

These are the most important investigations and may include:

  • Serum calcium
  • Parathyroid hormone (PTH)
  • Vitamin D levels
  • Phosphorus levels

Kidney Function Tests

Evaluate the impact of high calcium levels on kidney health.

Bone Density Scan (DEXA)

Assesses bone loss and osteoporosis.

Imaging Studies

Used to localize abnormal parathyroid glands before surgery:

  • Neck Ultrasound
  • Sestamibi Scan
  • 4D CT Scan
  • MRI (selected cases)

Fine Needle Aspiration (Biopsy)

Rarely required and generally not recommended routinely for suspected parathyroid adenomas.

Treatment Options

Treatment depends on the underlying condition, severity of symptoms, calcium levels, and overall health.

Observation

Patients with mild disease may be monitored with:

  • Regular blood tests
  • Bone density assessments
  • Kidney function monitoring

Medical Management

May include:

  • Adequate hydration
  • Vitamin D correction
  • Medications to control calcium levels in selected patients

Parathyroidectomy (Parathyroid Surgery)

Parathyroidectomy is the definitive and most effective treatment for primary hyperparathyroidism.

The procedure involves removing the abnormal gland while preserving normal parathyroid function.

Benefits of Surgery

  • Normalization of calcium levels
  • Improved bone health
  • Reduced risk of kidney stones
  • Better energy levels and quality of life
  • Prevention of long-term complications

Modern minimally invasive techniques allow faster recovery, smaller incisions, and excellent outcomes in appropriately selected patients.

Prevention

Although not all cases can be prevented, the following measures may help maintain parathyroid health:

  • Maintain adequate Vitamin D levels
  • Consume a balanced calcium-rich diet
  • Stay physically active
  • Drink sufficient water
  • Attend regular health check-ups
  • Seek evaluation for recurrent kidney stones or unexplained bone loss

When to Consult a Specialist

If you have elevated calcium levels, recurrent kidney stones, osteoporosis, persistent fatigue, or a suspected parathyroid tumor, consultation with an experienced Head & Neck Surgeon is essential for proper evaluation and treatment planning.

Early diagnosis and timely intervention can prevent serious complications and significantly improve quality of life.

Book an Appointment

Dr. Chandra Veer Singh

Consultant ENT, Head & Neck Cancer Surgeon & Skull Base Surgeon

Special Interests:

  • Thyroid Surgery
  • Parathyroid Surgery
  • Head & Neck Cancer Surgery
  • Robotic Surgery
  • Endoscopic Skull Base Surgery
  • Salivary Gland Disorders

For expert evaluation and personalized treatment of parathyroid disorders, schedule a consultation today.

Leave a Reply