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Doctor insights on: How To Tell The Difference Between A Canker Sore And Mouth Cancer

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Dr. Barry Rosen
4,224 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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Canker sore! i need to know if I have mouth cancer I have had a canker sorefor like 4 days now. It doesn't really hurt unless i feel lit with my tongue. I feel like its gotten a lot better because it did feel like it was an open sore when i felt it with m

Canker sore! i need to know if I have mouth cancer I have had a canker sorefor like 4 days now. It doesn't really hurt unless i feel lit with my tongue. I feel like its gotten a lot better because it did feel like it was an open sore when i felt it with m

Unlikely: The lesion could be a canker sore or from trauma. Without a history (age/smoking/tobacco/alcohol use?) and exam +/- biopsy, it is difficult to say for sure, but few docs would worried about a lesion that has been there only 4 days. If the lesion persists more than a couple weeks definitely see your dentist/pmd/ent/oral surgeon. If you are using tobacco and quit now you may avoid effects. ...Read more

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Diagnosed with HPV and have a canker sore on the front of my mouth. Its not in the Back of throat like things say, should I be worried for oral cancer?

Diagnosed with HPV and have a canker sore on the front of my mouth. Its not in the Back of throat like things say, should I be worried for oral cancer?

No: It is unlikely that you have oral cancer. Was HPV detected as part of PAP smear? You should follow your doctor's advise about follow-up tests. You should still get HPV vaccine to prevent against other strains of the virus. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. ...Read more

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Can mouth canker sore cause severe ear pain? I went to ent and have no fluid in ear or anything visible! Oral cancer?

Can mouth canker sore cause severe ear pain? I went to ent and have no fluid in ear or anything visible! Oral cancer?

Referred pain: Lesions in the deeper part of the mouth may cause the feeling of pain in the ear. You may wish to see your dentist for evaluation of oral health. If it is not due to oral health issues, the next step would be consult an internist to ascertain the cause of canker sores and treat the cause. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. ...Read more

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How do you tell the difference between a canker sore and oral cancer?

How do you tell the difference between a canker sore and oral cancer?

Time and/or Biopsy: A canker sore wil go away in a short period of time (usually days). Oral cancer won't. Only definite way to know is with a biopsy. ...Read more

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Can you tell me how to know the difference between a canker sore and oral cancer?

Can you tell me how to know the difference between a canker sore and oral cancer?

Pain: A canker sore is usually painful but likely will resolve in 10-15 days. Oral cancer is usually not painful until later stages. It can have many different appearances so it's not easy to diagnose visually. It will not resolve in 2 weeks. See a dentist, oral surgeon, or periodontist if the lesion is present for more than 2 weeks regardless of how it feels. ...Read more

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What can be the difference in a canker sore and what oral cancer looks like?

What can be the difference in a canker sore and what oral cancer looks like?

Canker sores: is the most common oral lesions. Most tongue ulcers, infections will clear up by themselves within a week or two. You should see your GP or dentist if the ulcer gets worse or lasts for longer than 2 weeks.Oral cancer appears as a growth or sore in the mouth that does not go away. If concerned see your dentist ASAP. ...Read more

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I have a canker sore for 6 months and it has not healed. Is it oral cancer? It is located on ground of my lips and does not hurt.

I have a canker sore for 6 months and it has not healed. Is it oral cancer? It is located on ground of my lips and does not hurt.

Not likely but it: needs to be examined. It is not feasible to provide a more informed opinion, without examining the lesion. It would be prudent to see your doctor or dentist. ...Read more

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Is a canker sore that is not white oral cancer?

Is a canker sore that is not white oral cancer?

Not likely: Oral cancer is progressive. Most abnormalities in the oral cavity come and go. If you have an abnormal area that lasts for more than three weeks you should have someone examine it. You can reduce your risk of oral cancer by not smoking, not chewing tobacco, not drinking too much alcohol. ...Read more

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Mouth (Definition)

Mouth (mouth) " n. Pl. Mouths 1. A. The body opening through which an animal takes in food. B. The cavity lying at the upper end of the alimentary canal, bounded on the outside by the lips and inside by the oropharynx and containing in higher vertebrates the tongue, gums, and teeth. C. This cavity regarded as the source of sounds and speech. D. The opening to any cavity or canal ...Read more


Dr. Daniel Rubenstein
616 doctors shared insights

Canker Sores (Definition)

Almost everyone is infected with this herpes virus. The first episode is usualy in early childhood. It is dramaticaly different from all the later events. The virus is always present. When your immune system is weakened (stress, disease, almost anything) the viri end up stronger than your immune system. They do their job, and ...Read more