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Answered: 5 important questions on tongue cancer

Article reviewed by:
Dr Tan Kian Meng • Prosthodontist

5 important questions on tongue cancer | Specialist Dental Group, Singapore

Tongue cancer is a form of cancer that begins in the cells of the tongue, most commonly the epithelial cells. It is also a type of head and neck cancer whereby it can occur on the front of the tongue (known as oral tongue cancer) or at the base of the tongue near where it attaches to the bottom of your mouth (oropharyngeal cancer).

5 important questions on tongue cancer | Tongue Anatomy | Specialist Dental Group, Singapore
Anatomy of a human tongue (Credit: Pharmacy180.com)

Traditionally, tongue cancer affects older male patients aged 60 and above. According to the American Cancer Society, 1 out of 5 patients diagnosed with tongue cancer is younger than 55 years old. In Singapore, National Cancer Centre Singapore (NCCS) has also recorded similar change in patient demographics where female patients and young patients are on the rise. This trend may be due to a change in society and lifestyle, whereby more people drink and smoke at a younger age.

What are the risks and causes of tongue cancer?

With all types of cancer, research is still ongoing, and the definitive cause is still unknown.

Smoking tobacco or/and frequent heavy consumption of alcohol increases the risk of cancer. Other causes and risk factors for developing tongue cancer can include:

  • Human papilloma virus (HPV)
  • Familial or personal history of cancer
  • Weakened immune system

What are the signs and symptoms?

You might not notice any symptoms in the early stages, especially with cancer at the base of the tongue. The most common early sign of tongue cancer is a persistent sore or ulcer on your tongue. In contrast, a non-cancerous ulcer should naturally heal within two to three weeks.

The presence of pain from the sore or ulcer is another way to differentiate if it is worrying. Most regular (benign) ulcers are painful due to inflammation. On the contrary, cancerous (malignant) ulcers may be painless at the beginning creating a higher index of suspicion.

Other symptoms can include:

  • red or white patch or lump on your tongue that persists
  • experiencing pain and difficulty in swallowing
  • mouth numbness
  • persistent sore throat
  • bleeding from your tongue with no apparent cause

If you notice any of these symptoms, see a dental specialist or dentist as soon as possible for a comprehensive check.

Related:
Answered: Early detection of oral cancer increase probability of survival

What is the role of a dental specialist or dentist in preventing and treating tongue cancer?

1. Prevention

When a tooth is slightly chipped or fractured at the crown, it can be repaired either by reattaching the broken piece or using a tooth-coloured (composite) filling. However, in cases where a large part of the crown is broken, an artificial dental crown may be needed to restore the tooth.

If the dental pulp is exposed or damaged after a tooth fracture, root canal treatment may be required. If it is a cracked tooth, your dental specialist may try to save the tooth by carrying out root canal treatment and subsequently protecting it with a new dental crown. However, if the crack is too severe and extends below the gum line, extraction will be required. Dental implants and dental bridges are ways to replace the missing tooth.


2. Diagnosis

If your tooth is pushed sideways, out of or into its socket, your dental specialist / dentist will help to reposition and stabilise the tooth. Root canal treatment is usually needed for dislodged permanent teeth. Either a root canal filling or customised dental crown will be needed when root canal treatment is completed.

During your visit, your dental specialist will ask about your medical history, including any family or personal cancer history, smoking or drinking habits, and if you have ever tested positive for the HPV virus. He will also check your mouth and lymph nodes for abnormalities, swelling and signs of cancer, such as unhealed ulcers.

If there are signs of tongue cancer, a biopsy is needed.


What is a biopsy?
A biopsy is a minor outpatient surgery done under local anaesthesia to extract a small tissue sample for histology examination to diagnose the tumour’s type and grade. A tiny section of tongue tissue is removed from the suspected site while patient is on dental chair. Should your specialist require a larger area of your tongue tissue, you may opt for the surgery under intravenous sedation. The procedure is relatively quick and typically takes about 30 minutes to perform.

After the procedure, it is crucial to avoid biting or irritating the area. The recovery process may include minimal discomfort and swelling around the site, but it should subside within a few days. You can resume your regular day-to-day activities as soon as the same day of the procedure.

3. Follow-up & Treatment

After the biopsy, a follow-up visit will be scheduled about 7 to 10 days post-procedure where the results will be discussed. If the cells are cancerous, your dental specialist will discuss what are potential treatment options and plans moving forward with a medical specialist. Treatment options may include surgery, radiation and/or chemotherapy.

At Specialist Dental Group, we have a team of internationally qualified dental specialists and dentists who are well-trained to provide treatment for simple to complex dental needs. With our clinics located in medical centres, our team have the expertise and experience of working closely with medical doctors to manage patients with complex medical conditions.

What are the treatment options available?

The best prognosis is offered during early detection for tongue cancers. Treatment options often vary depending on the type, staging and progression of your cancer.

Surgery is often the best way to remove a tumour from the part of your tongue you can see. However, radiotherapy may be another option if it is on the back of your tongue. Sometimes, the best treatment can be a combination of chemotherapy with cancer-fighting drugs and radiation. After receiving treatment, you may need therapy to help you chew, move your tongue, swallow and speak better, along with regular check-ups.

After successful treatment, the five-year relative survival rate still depends on the spread and aggressiveness of the cancer as well as own personal immunity. With early diagnosis, you can be treated before it spreads further, allowing better outcomes through more treatment options with fewer side effects and a higher survival rate.

Can tongue cancer be prevented?

To reduce the risk of tongue cancer, taking proper care and maintaining good oral hygiene is key. There are other preventive measures that you may consider taking:

  • Not smoking or chewing tobacco
  • Reducing alcohol consumption
  • Practicing safe sex
  • Having a balanced diet
  • Brushing and flossing your teeth regularly
  • Going for regular dental check-ups every six months, if possible

If you notice any unusual ulcer and swelling, or are experiencing persistent symptoms, visit your dentist or a dental specialist to seek a professional opinion.

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    • Dr May Ling Eide
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    • Dr Helena Lee
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    • Dr Ben Wang
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    • Dr Ho Kok Sen
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    • Dr Irene Sim
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