Page 1 of 1: white lesion in oral cavity

guddy · Credits: 5790 My Scrapbook

if a white lesion in oral cavity can b given a specific diagnosis it is not likely to be a
a eryhroplakia
b leukoplakia
c lichen planus
d candidiasis

dr_manikandan · Credits: 460 My Scrapbook

Erthroplakia - Red colour
Leuko and Candia are definitively excluded...
In lichen planus and Wickhams striae is white in colour

amitshivrayan · Credits: 300 My Scrapbook

answer is in question itself...leukoplakia ...........as it is defined as white patch which can not be diagnosed as any other lesion ........

Akil · Credits: 28144 My Scrapbook

Leukoplakia is essentially a 'clinical' diagnosis of exclusion. It neither correlates with the degree of histological dysplasia nor with its premalignant potential...

aquarian · Credits: 257 My Scrapbook

a. erythroplakia

why it can't b erythroplakia...as its red in colour so it is not at all likely to b a white lesion in the oral cavity

Akil · Credits: 28144 My Scrapbook

Akil · Credits: 28144 My Scrapbook

I think the question has been misunderstood by some:

The question says "white lesion"- "can be given specific diagnosis"-"NOT LIKELY TO BE"

or

If one can give specific diagnosis, the lesion cannot be.....leukoplakia! That is why I said, leukoplakia is a diagnosis of exclusion! If you cannot diagnose the lesion as any other lesion and it is non-scrappable white lesion of oral cavity, you give it the diagnosis as leukoplakia! - Follow up with anti fungals first for two weeks and then later biopsy if required. Of course, counselling regarding stopping of habits like tobacco chewing etc; is before even considering antifungal therapy!

The logic behind anti fungals is that there is a condition called candidal leukoplakia and there is still controversy as to the malignant potential of candidal infection. Some consider it to be an infection in the leukoplakic area while others consider candida to itself be capable of causing leukoplakia. The second view is gaining more grounds. If the primary cause is candida, the lesion will start showing regression upon treating with antifungals. Most often it is seen that the lesion shows slight regression only after treatment and the rest of the lesion has to be treated surgically based on histopathological report of the incisional biopsy of the lesion!

They usually use toluidene blue test for identifying the dysplastic lesions of the oral cavity. In short one gives water and later acetic acid to be swished first then followed by toluidene to be swished in the oral cavity for few seconds. Later dilute acetic acid is swished for few seconds again. The regions which have dysplasia will retain the blue stain while others will get washed off... This way dysplastic regions could be identified.

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