A. Ultraviolet radiation
B. Actinic keratitis
C. Alcohol
D. None of the above
Related Mcqs:
- The most reliable single histologic criterion for diagnosis of oral squamous cell carcinoma is____________?
A. Invasion
B. Degeneration
C. Pleomorphism
D. Encpsulation - Squamous cell carcinoma with best prognosis is_____________?
A. Lip
B. Tongue
C. Palate
D. Floor of the mouth - A 3 cm squamous cell carcinoma of the retromolar trigone and invading the mandible and the medial pterygold muscle is at what TNM stage____________?
A. Stage I
B. Stage II
C. Stage III
D. Stage IV - squamous cell carcinoma on tongue most common site is_____________?
A. Apex
B. Base
C. Lateral borders
D. Dorsum - The predisposing factor for squamous cell carcinoma __________________?
A. Solar keratosis
B. Chronic ulcers
C. Leukoplakia
D. All of the above - Increased incidence of carcinoma is observed with_______________?
A. Homogenous leukoplakia
B. Verrucous leukoplakia
C. Nodular leukoplakia
D. Ameloblastic fibroma - Pap smear is used to detect dysplasia, carcinoma insitu and invasive carcinoma of uterine cervix. This is based on the principle of_______________?
A. Neoplastic cells are cohesive
B. Neoplastic cells are are non cohesive
C. Hyper chromatic and pleomorphism of tumour cells
D. All of the above - Which of the following is carcinoma of the skin spreads by local invasion and has no tendency to metastasise ?
A. Malignant melanoma
B. Basal cell carcinoma
C. Fibrosarcoma
D. Leukoplakia - Out of syphilitic glossitis, plummer vinson syndrome Mikulicz’s syndrome and hepatitis A; which of these predispose to squamous cell arcinoma ______________?
A. Syphilitic glossitis and plummer vinson syndrome
B. Syphilitic glossitis and Mikulicz’s syndrome
C. Plummer vinson disease and hepatitis A
D. Hepatitis A and Mikulicz’s Syndrome - Dendritic cell located in the stratified squamous keratinizing epithelium of the oral cavity include_____________?
A. Keratinocytes
B. Mast cells
C. Melanocytes
D. Myoepithelila cells
