Thyroid cancer is a type of cancer that begins in the thyroid gland, a small, butterfly-shaped gland located in the front of your neck. The thyroid produces hormones that regulate metabolism, heart rate, and body temperature. Thyroid cancer occurs when abnormal cells in the thyroid grow uncontrollably.
There are several types of thyroid cancer:
Papillary thyroid cancer: Most common type (80%). It grows slowly and is usually treatable.
Follicular thyroid cancer: Also common, it can spread to the lungs or bones.
Medullary thyroid cancer is less common and can be linked to genetic syndromes.
Anaplastic thyroid cancer: Rare and aggressive, hard to treat.
Thyroid cancer may not show early symptoms, but as it progresses, you may notice:
A lump or swelling in the neck
Hoarseness or change in voice
Difficulty swallowing or breathing
A persistent cough that isn’t due to a cold
Pain in the throat or neck
The exact cause of thyroid cancer is unknown, but it’s thought to develop when cells in the thyroid mutate (change). These mutations allow cells to grow and multiply rapidly. Over time, they form a tumour. Some factors that may contribute include:
Radiation exposure: High radiation levels, especially to the neck or head during childhood.
Genetic mutations: Inherited conditions like multiple endocrine neoplasia.
When to Seek Medical Attention
If you notice a lump in your neck or have persistent swelling
Hoarseness lasting more than a few weeks
Difficulty swallowing or breathing
Sudden, unexplained weight loss
Rapid heartbeat or excessive sweating
Gender: Women are more likely to develop thyroid cancer than men.
Age: Most cases occur in people between 25 and 65 years.
Family history: A family history of thyroid cancer or specific genetic syndromes.
Radiation exposure: Past exposure to radiation treatments, especially during childhood.
Iodine deficiency: Low iodine levels can increase the risk.
To diagnose thyroid cancer, doctors may use the following:
Physical examination: Checking for lumps or swelling in the neck.
Ultrasound: Creates images of the thyroid to detect abnormal growths.
Blood tests: Check thyroid function and measure certain hormone levels.
Fine-needle aspiration biopsy: A small needle takes a thyroid tissue sample for testing.
CT scans or MRIs: Used if there’s suspicion the cancer has spread.
Radioactive iodine scan: Determines if thyroid cells usually absorb iodine.
Do’s:
Regular follow-ups: After treatment, monitoring hormone levels and overall health is essential.
Take prescribed medications: Follow your doctor’s instructions for thyroid hormone replacement.
Eat a balanced diet: Ensure adequate iodine intake through your diet (iodised salt, seafood).
Exercise: Light to moderate exercise can help improve recovery and maintain overall health.
Don’ts:
Avoid excessive radiation exposure, especially in children, or for unnecessary medical procedures.
Do not ignore symptoms: If you notice new symptoms, such as lumps in your neck or hoarseness, consult your doctor immediately.
Do not self-medicate: Always follow the treatment plan and avoid over-the-counter medications without consulting your doctor.
Disclaimer:
Our medical content authors have diligently gathered and synthesized information on this topic to offer valuable insights to our readers. Drawing from a range of reputable medical journals and health resources, this content aims to enhance understanding of the subject. It's essential to remember that while this information is informative, it should not replace personalized consultation or treatment from a qualified healthcare professional. For further details, please refer to our Editorial Policy.
For this topic, our authors used some of the following resources:
Mayo Clinic | Thyroid cancer - Diagnosis and treatment
National Cancer Institute (.gov) | Thyroid Cancer Treatment
Cleveland Clinic | Thyroid Cancer: Types, Symptoms, Causes & Treatment
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Saba holds a Master’s degree in Pharmacy from Jamia Hamdard University, New Delhi and possesses a deep understanding of medical subjects. She is an experienced teacher and is passionate about health education. She has a remarkable talent for transforming complex medical concepts into engaging, accurate, and impactful content to inspire healthier living. With a deep scientific understanding and thorough research, Saba consistently supports her writings with the latest publications, ensuring accuracy and relevance.
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