Oral cavity cancer

All of the following are part of oral cavity except?

• Gingiva

• Anterior 2/3 of tongue

• Uvula

• Buccal mucosa

Most common cancer in oral cavity?

• BCC

• SCC

• Malignant melanoma

• Sarcoma

Common site of oral cavity carcinoma in India?

• Lateral border of tongue

• Buccal mucosa

• Floor of mouth

• Hard palate

Diagnosis?

• Erythroplakia

• Leukoplakia

• Submucosal fibrosis

• Lichen plants

Which virus is involved in oral cavity carcinoma?

• HPV

• EBV

• HBV

• HIV

Which of the following is not a risk factor of oral cavity ca?

• Alcohol

• Fanconi anemia

• Lynch syndrome

• Li-Fraumeni syndrome

Which of the following is significant recent update in AJCC 8th edition (oral carcinoma)

• the exclusion of depth of invasion

• recognition of extranodal extension

• Introduction to M2

• T1 is > 5 cm

All of the following carry the highest risk of malignant transformation except?

• Dyskeratosis congenita

• Proliferative verrucous leukoplakia

• Submucosal fibrosis

• Erythroleukoplakia

Histological parameters routinely described in OCSCC includes all except

• Histological type

• Tumour grade

• Perineural invasion

• Tumour shape

• Lymphovascular invasion

Most OCSCC metastases occurs to which level of neck nodes?

• I,II and III

• II and IV

• I and II

• I and III