Leukoplakia and Erythroplakia: Why These Patches Need Prompt Evaluation

Dental Problems and Symptoms · 8 min read

Leukoplakia and Erythroplakia: Why These Patches Need Prompt Evaluation

Reviewed January 14, 2025
Written by
1PleasantonDentist Editorial Team, Editorial team
Reviewed by
Editorial team

Image: Joshua Rommel Hayag Vargas · BY-SA 4.0 · Source

White or red patches that won't wipe away or heal on their own are worth taking seriously. Here's why these specific findings prompt closer evaluation.

What Is Leukoplakia?

Leukoplakia is a white or grayish patch that develops on the mucous membranes of the mouth, notably one that can't be wiped or scraped away, distinguishing it from other causes of white appearance in the mouth, like a fungal infection, which typically can be wiped off.

What Is Erythroplakia?

Erythroplakia is a red patch on the oral mucous membranes, similarly persistent and not attributable to another identifiable, benign cause, and it's generally considered to carry a higher relative concern than leukoplakia when biopsied and evaluated.

Are These Conditions Themselves Cancer?

No, leukoplakia and erythroplakia are descriptive terms for a specific appearance, not diagnoses of cancer themselves, though they're considered potentially precancerous, meaning they carry a documented, elevated likelihood of eventually developing into cancer compared to normal oral tissue, which is exactly why they warrant careful evaluation.

What Causes These Patches to Develop?

Tobacco use, in any form, is one of the most significant, well-documented risk factors for leukoplakia specifically. Chronic irritation, such as from an ill-fitting denture or a sharp tooth edge repeatedly rubbing against the same spot, alcohol use, and in some cases, no clearly identifiable cause at all, are among the recognized contributing factors.

How Are These Patches Diagnosed?

Your dentist will examine the patch and, given the potential significance of these findings, will very likely recommend a biopsy, a procedure taking a small tissue sample for laboratory analysis, to properly evaluate the specific cellular characteristics of the affected tissue rather than relying on visual appearance alone.

Why Is a Biopsy So Important for These Specific Findings?

Visual appearance alone can't definitively determine whether a patch of leukoplakia or erythroplakia shows early precancerous cellular changes, meaning a biopsy provides the actual, definitive information needed to guide appropriate next steps, whether that's simple monitoring or more active treatment.

What Happens If a Biopsy Shows Concerning Changes?

Depending on the specific findings, treatment might involve surgical removal of the affected tissue, closer ongoing monitoring, and addressing any identifiable underlying cause, like tobacco use or chronic irritation, with your provider developing a specific plan based on your particular biopsy results.

What Happens If a Biopsy Doesn't Show Concerning Changes?

Even without immediately concerning findings, ongoing monitoring is generally recommended, since these patches, by their nature, carry some risk of change over time, meaning periodic re-evaluation remains part of appropriately managing this type of finding even after an initially reassuring result.

Can These Patches Resolve on Their Own?

If a clear, identifiable irritant, like a sharp tooth edge or ill-fitting appliance, is the underlying cause, removing that source of irritation can sometimes lead to resolution of the patch, which is part of why your dentist will look for and address any obvious contributing factor as part of your evaluation.

Is Erythroplakia More Concerning Than Leukoplakia?

Generally, yes, erythroplakia is considered to carry a higher likelihood of showing significant cellular changes when biopsied compared to leukoplakia, though both categories warrant prompt, thorough evaluation rather than being dismissed based on color alone.

How Can You Reduce Your Risk of Developing These Conditions?

Avoiding tobacco use in all forms, moderating alcohol consumption, addressing any chronic sources of oral irritation like a poorly fitting denture or sharp tooth, and maintaining regular dental checkups where these findings can be caught early are all relevant, evidence-based risk-reduction strategies.

Frequently asked questions