Q101) All are precancerous for oral cancers except?
b. Speckled erythroplakia.
c. Discoid lupus
d. Chronic hypeplastic candidiasis
Squamous cell carcinoma is the most common tumor of the oral cavity. Majority of the oral cancers are due to tobacco and alcohol and not associated with premalignant conditions.
Conditions associated with oral cancers include
|Conditions associated with malignant
■ Erythroplakia (Irregular bright red plaque in oral cavity)
■ Speckled erythroplakia (Highest rate, It is leukoplakia arising on erythematous base)
■ Chronic hyperplastic candidiasis (leukoplakia around the commisuures of mouth)
■ Oral submucous fibrosis
■ Syphilitic glossitis
■ Sideropenic dysphagia (Paterson–Kelly syndrome)
■ Oral lichen planus
■ Discoid lupus erythematosus
■ Discoid keratosis congenita
(DLE) Discoid lupus erythematosus is a chronic skin condition of sores with inflammation and scarring favoring the face, ears, and scalp and at times on other body areas.
Ref: Bailey 26th page 708