How common is oral cancer in nonsmokers?
Study results show that oral cancers occurred on the lateral (edge of) tongue in 57 nonsmokers (66 percent) compared with 107 smokers/former smokers (33 percent). The edge of the tongue was the most common site of tumors in both smokers and nonsmokers, though it was proportionally more common in nonsmokers.
What causes oral cancer in nonsmokers?
The relatively high incidence of mouth squamous cell cancer in nonsmokers, especially women, without obvious causes has been noted in other studies. Traditionally, head and neck squamous cell cancer (HNSCC) has been associated with the five “S’s” of smoking, spirits, syphilis, spices and sharp (or septic) teeth.
What are possible causes of oral cancer?
Factors that can increase your risk of mouth cancer include:
- Tobacco use of any kind, including cigarettes, cigars, pipes, chewing tobacco and snuff, among others.
- Heavy alcohol use.
- Excessive sun exposure to your lips.
- A sexually transmitted virus called human papillomavirus (HPV)
- A weakened immune system.
How long can you survive untreated mouth cancer?
The survival rate among people with early-stage untreated mouth cancer is around 30% for five years, whereas the rate gets reduced to 12% for people with Stage 4 untreated mouth cancer.
Does oral cancer spread quickly?
Most oral cancers are a type called squamous cell carcinoma. These cancers tend to spread quickly. Smoking and other tobacco use are linked to most cases of oral cancer. Heavy alcohol use also increases the risk for oral cancer.
What are the early warning signs of oral cancer?
Common symptoms of oral cancer
- A sore, irritation or thickness in your mouth or throat.
- A white or red patch on the inside of your mouth.
- A feeling that something is caught in your throat.
- Hoarseness or other vocal changes.
- Persistent coughing.
- Difficulty chewing, swallowing or speaking.
- Difficulty moving your jaw or tongue.
Is mouth cancer painful to touch?
Canker sores: Painful, but not dangerous
In the early stages, mouth cancer rarely causes any pain. Abnormal cell growth usually appears as flat patches. A canker sore looks like an ulcer, usually with a depression in the center.
Can dentists detect oral cancer?
Your dentist will not be able to diagnose cancer during an examination. Oral cancer can be diagnosed only with a biopsy, when a sample of tissue in the area is removed and exam- ined under a microscope. However, your dentist can identify suspicious-looking areas or growths that may need further evaluation.
How is mouth cancer permanently treated?
If the cancer has not spread beyond the mouth or the part of your throat at the back of your mouth (oropharynx) a complete cure may be possible using surgery alone. If the cancer is large or has spread to your neck, a combination of surgery, radiotherapy and chemotherapy may be needed.