Free Oral Cancer MCQs with Answers

• A. Pleomorphic adenoma
• B. Epidermoid carcinoma
• C. Lymphoepithelial carcinoma
• D. Warthin's stumour

Explanation: Facial nerve paralysis suggests malignant invasion of the facial nerve, particularly by a malignant parotid tumour such as…

• A. Pleomorphic
• B. Warthins tumor
• C. Adenomatoid odontogenic tumor
• D. Mucoepidermoid

Explanation: Clear cells are a recognised component of mucoepidermoid carcinoma, particularly in clear-cell variants caused by abundant intracellular…

• A. Warthin's tumour
• B. Adenocarcinoma
• C. Mucoepidermoid carcinoma
• D. Pleomorphic adenoma

Explanation: Warthin tumour is strongly associated with the parotid gland and essentially does not arise in minor salivary glands.

• A. Granular cell myoblastoma
• B. Acinic cell carcinoma
• C. Chondrosarcoma
• D. All of the above

Explanation: Acinic cell carcinoma is a malignant epithelial neoplasm showing differentiation toward salivary acinar cells.

• A. Cylindroma
• B. Adenoid cystic carcinoma
• C. Plemorphic adenoma
• D. Epidermoud carcinoma

Explanation: Pleomorphic adenoma is the most common tumour of the parotid gland and is usually benign.

• A. Muceopidermoid carcinoma
• B. Adenoid cystic carcinoma
• C. Plemorphic adenoma
• D. Adenolymphoma

Explanation: Mucoepidermoid carcinoma is the most common primary salivary-gland malignancy arising within the jaw bones, where it is termed central or…

• A. Pleomorphic Adenoma
• B. Squamous cell carcinoma
• C. Basal cell carcinoma
• D. Adenoid cystic carcinoma

Explanation: Spindle-cell carcinoma, also called sarcomatoid or pleomorphic carcinoma, is a variant of squamous cell carcinoma showing malignant…

• A. Pleomorphic adenoma
• B. Warthin's tumor
• C. Adenoid cystic carcinoma
• D. Ductal papilloma

Explanation: Adenoid cystic carcinoma has a marked tendency to invade along nerves, producing perineural spread and sometimes pain or neurologic…

• A. Pharynx
• B. Oropharynx
• C. Nasopharynx
• D. Larynx

Explanation: Trotter syndrome is classically associated with nasopharyngeal carcinoma and may include unilateral hearing loss, soft-palate paralysis…

• A. Horner's syndrome
• B. Glossopharyngeal neuralgia
• C. Eagles syndrome
• D. Trotter's syndrome

Explanation: Trotter's syndrome is associated with advanced nasopharyngeal carcinoma and may produce deep pharyngeal or facial pain, ipsilateral…

• A. Ewing's sarcoma
• B. Chronic suppurative osteomyelitis
• C. Burkitt's Lymphoma
• D. Fracture of the jaw with cancellous bone formation

Explanation: Ewing sarcoma commonly affects children and adolescents and may produce rapid swelling, pain, paresthesia, leukocytosis, and an onion-skin…

• A. Stage I
• B. Stage IV
• C. Stage III
• D. Stage II

Explanation: With M0 disease, T2 combined with N2 places an oral carcinoma in the stage IV group, specifically stage IVA in common AJCC…

• A. Buccal mucosa
• B. Palate
• C. Lateral border of tongue
• D. Floor of mouth

Explanation: Leukoplakia on the floor of the mouth has a particularly high risk of epithelial dysplasia and malignant transformation, along with the…

• A. Biopsy
• B. Complete radiographic survey
• C. Exfoliative cytology
• D. Pantograph

Explanation: A biopsy provides tissue for microscopic examination, allowing definitive confirmation of malignancy and its type.

• A. Malignant melanoma
• B. Ewing's sarcoma
• C. Kaposi's sarcoma
• D. Squamous cell carcinoma

Explanation: Ewing sarcoma cells commonly contain abundant glycogen, which can be demonstrated histochemically with PAS staining and helps distinguish…

• A. Surgery + radiotherapy
• B. Laser technique
• C. Excision
• D. Alpha (a) interferon

Explanation: Verrucous carcinoma is treated primarily by complete surgical excision because it is locally destructive but has very low metastatic…

• A. Chemotherapy
• B. Radiation involving normal tissues
• C. Lasers
• D. Radiation administered interstially through catheters

Explanation: Brachytherapy is internal radiotherapy in which radioactive sources are placed close to or within the tumour, commonly interstitially…

• A. Lateral margin
• B. Ventral surface
• C. Tip of tongue
• D. Posterior one third

Explanation: The lateral tongue, particularly its posterolateral border, is the commonest site for squamous cell carcinoma of the tongue.

• A. Mandibular condyle
• B. Anterior maxilla
• C. Posterior moral region
• D. Maxillary tuberosity

Explanation: Metastases to the jaws most often involve the posterior mandible, especially the molar and ramus region, because of its abundant marrow…

• A. Oral hairy leukoplakia
• B. White spongy naevus
• C. Leukemia
• D. Speckled Leukoplakia

Explanation: Speckled or erythroleukoplakia contains red areas mixed with white keratosis and has a high risk of epithelial dysplasia or carcinoma.