Throat Cancer

Throat cancer is an umbrella term for a group of cancers that can form on either one, or multiple parts of the throat. Throat cancer is a critical condition that may lead to symptoms like persistent sore throat and difficulty swallowing. Early detection through regular check-ups is essential for better outcomes.

Throat cancer is a condition where cancerous cells form anywhere in the throat. Most people with throat cancer generally develop cancer in their voice box (larynx), or the middle part of the throat (oropharynx). Like any other cancer, throat cancer requires prompt treatment for timely management to prevent it from spreading. Treatment options may include surgery, radiation, and chemotherapy, depending on the stage and type of cancer. Early detection through regular check-ups is important for better outcomes.

Types of Throat Cancer

There are 4 types of throat cancer: 

• Squamous Cell Carcinoma:
• Common type of throat cancer.
• Affects flat cells lining the throat.
• Often linked to tobacco and alcohol use.
• Adenocarcinoma:
  • Originates in glandular cells of the throat.
  • Less common than squamous cell carcinoma.
  • Can occur in the oesophagus or other parts of the throat.
• Lymphoma:
  • Cancer of the lymphatic system.
  • Can affect the throat.
  • Includes Hodgkin lymphoma and non-Hodgkin lymphoma.
• Sarcoma:
  • Rare type, develops in connective tissues of the throat.
  • Arises from muscles, fat, blood vessels, or other supportive tissues.
• Melanoma:
  • A rare type of throat cancer.
  • Originates in pigment-producing cells.
  • Can occur in the throat, though rare compared to skin melanoma.

Symptoms of Throat Cancer

Throat cancer can exhibit various symptoms. Some symptoms of this condition, include: 

• First Stage Throat Cancer Symptoms:
  • Persistent sore throat
  • Mild difficulty swallowing
  • Occasional hoarseness
• Second Stage Throat Cancer Symptoms:
  • Increasing sore throat
  • Noticeable difficulty swallowing
  • Persistent hoarseness or changes in voice
• Third Stage Throat Cancer Symptoms:
  • Severe sore throat
  • Significant difficulty swallowing
  • Pronounced hoarseness or voice changes
  • Unexplained weight loss
• Final Stage Throat Cancer Symptoms:
  • Advanced and widespread symptoms
  • Chronic and severe pain
  • Difficulty breathing
  • Swelling or lumps in the neck
  • Spread to distant organs (metastasis)
  • Drastic weight loss
  • Overall deterioration of health

Causes of Throat Cancer

Throat cancer can be caused by various factors, including lifestyle factors, diet etc. Here are some common causes of throat cancer: 

• Tobacco Use: Smoking or chewing tobacco exposes the throat to harmful chemicals, increasing cancer risk.
• Alcohol Consumption: Heavy and prolonged alcohol consumption can irritate and damage throat cells, contributing to cancer.
• HPV Infection: Human papillomavirus (HPV) infection, often transmitted through oral sexual activity, is a known risk factor for throat cancer.
• Age and Gender: Advancing age and being male are associated with a higher likelihood of developing throat cancer.
• Poor Nutrition: Lack of certain nutrients and a poor diet may contribute to an increased risk of throat cancer.
• Environmental Factors: Exposure to asbestos, certain chemicals, and poor air quality can play a role in throat cancer development.

Staging Throat Cancer

Here are the different stages of cancer: 

• Stage 0: (Carcinoma in situ): At this early stage, cancer is confined to the surface layer of cells and has not invaded deeper tissues.
• Stage I: Cancer is localised, limited to a small area without significant spread.
• Stage II: Cancer is larger and may involve nearby tissues, but it hasn't spread to lymph nodes or other organs.
• Stage III: Cancer has progressed, spreading to nearby tissues or lymph nodes.
• Stage IVA: Cancer has advanced, potentially infiltrating adjacent structures or organs.
• Stage IVB: Cancer has spread to distant organs, such as the lungs.
• Stage IVC: This is an advanced stage where cancer has extensively spread, affecting multiple organs or distant lymph nodes. This stage indicates a more widespread and serious condition.

Diagnosis of Throat Cancer

• Biopsy: A small tissue sample is taken from the abnormal area in the throat for examination under a microscope to determine if cancer cells are present.
• Imaging tests: X-rays, CT scans, and MRIs provide detailed pictures of the throat, helping doctors assess the size and location of tumours.
• Endoscopy: A thin, flexible tube with a light and camera (endoscope) is inserted into the throat to visually inspect the tissues and detect abnormalities.
• Barium swallow: X-rays are taken after swallowing a barium solution, that helps outline the shape of the throat and other abnormalities.
• PET scan: A positron emission tomography scan helps identify areas with increased metabolic activity, aiding in cancer detection and staging.
• Fine needle aspiration (FNA): A thin needle is used to extract a small tissue sample from the throat for examination, especially for detecting cancer in lymph nodes.

These diagnostic methods assist oncologists in accurately identifying and understanding the extent of throat cancer.

Treatment of Throat Cancer

• Surgery:
  • Removal of the cancerous tumour or affected part of the throat.
  • May involve the removal of nearby lymph nodes to prevent the spread of cancer.
• Radiation Therapy:
  • High-energy rays that target and destroy cancer cells.
  • Used alone or in combination with surgery or chemotherapy.
• Chemotherapy:
  • Drugs to kill cancer cells or stop their growth.
  • Administered orally or through intravenous infusion.
• Targeted Therapy:
  • Specific drugs targeting cancer cells' vulnerabilities.
  • Minimises damage to normal cells.
• Immunotherapy:
  • Boosts the body's immune system to fight cancer cells.
  • Can be used alone or with other treatments.
• Rehabilitation:
  • Supportive care to manage side effects and improve quality of life.
  • Includes speech therapy, nutritional support, etc., based on the requirements of the case. 

What are the Risk Factors of Throat Cancer?

Throat cancer risk is influenced by several factors, including:

• Smoking and tobacco use.
• Excessive alcohol consumption.
• Human papillomavirus (HPV) infection.
• Age over 55.
• Gender (men are at higher risk).
• Poor nutrition.
• Gastroesophageal reflux disease (GERD).
• Occupational exposure to certain chemicals.
• Family history of throat cancer.
• Chronic irritation from substances like asbestos or coal dust.

How to Prevent Throat Cancer?

To reduce the risk of throat cancer, consider the following measures:

• Eat a balanced diet: Consume fruits, vegetables, and whole grains to promote overall health.
• Quit smoking: Avoid tobacco products to reduce the risk of various cancers, including throat cancer.
• Limit alcohol intake: Moderation in alcohol consumption can lower the risk of throat cancer.
• Protect against HPV: Discuss vaccination options with a healthcare provider to prevent HPV-related throat cancers.
• Regular check-ups: Routine medical exams help detect and address potential health issues, including throat cancer.

When to See a Doctor for Throat Cancer?

You should consult a doctor promptly if you are experiencing the symptoms given below: 

• Persistent throat pain or discomfort that lasts more than two weeks.
• Difficulty swallowing or persistent hoarseness.
• Unexplained weight loss.
• Persistent cough or changes in voice that persist.
• Swelling or lumps in the neck.
• Chronic ear pain.

Conclusion

Recognizing symptoms, understanding types, and seeking timely medical attention are crucial for managing throat cancer. By adopting a healthy lifestyle and staying vigilant, individuals can take proactive steps to prevent and address this serious condition effectively.

FAQs

1. Is cancer in the throat curable?

Ans: Treatment of throat cancer varies based on factors like stage and type. Early detection improves chances, but consult a healthcare professional for personalised care.

2. Is throat cancer painful?

Ans: Throat cancer can cause pain or discomfort, especially during swallowing. However, not all cases involve pain, and symptoms may vary. Consultation with a healthcare professional is essential for proper evaluation and guidance.

3. What age is throat cancer common?

Ans: Throat cancer is more commonly diagnosed in people over the age of 60.

CARE Medical Team

14