Oral Cavity Tumors: Types And Etiopathology

Oral Cavity Tumours: Types And Etiopathology

Question 1. Enumerate benign tumours around the oral cavity.

Answer. Following are the benign tumours around the oral cavity:

Epithelial tissue

• Papilloma
• Keratoacanthoma
• Squamous acanthoid
• Nevis.

Fibrous connective tissue

• Fibroma
• Fibrous hyperplasia
• Fibrous epulis
• Giant cell firoma
• Fibrous histiocytoma
• Desmoplastic firoma
• Myxoma
• Myxofiroma.

Cartilage tissue

• Chondroma
• Chondroblastoma
• Chondromyxoid firoma.

Adipose tissue

• Lipoma
• Angiolipoma.

Bone

• Osteoma
• Osteoid osteoma
• Osteoblastoma
• Torus palatines or torus mandibularis
• Osteomatosis.

Vascular tissue

• Hemangioma
• Lymphangioma
• Arteriovenous fitula
• Glomus tumor.

Neural tissue

• Neurofibroma
• Neurilemmoma
• Ganglioneuroma
• Traumatic neuroma
• Melanotic neuroectodermal tumor of infancy.

Muscles

• Leiomyoma
• Rhabdomyoma
• Granular cell myoblastoma.

Giant cell tumor

• Central giant cell tumor
• Peripheral giant cell tumor
• Giant cell granuloma
• Giant cell tumor of hyperthyroidism.

Teratoma.

Question 2. Describe etiopathology, clinical feature and management of Ca of tongue. 

Answer.

Etiopathology Of Carcinoma Of Tongue

Benzopyrenes and nitrosamines in cigarette smoke and tobacco products, arecoline in areca nut are the carcinogenic agents; alterations in activity of genes on 3p, 9p and 17; E6 and E7 proteins of human papilloma virus inactivate p53 and Retinoblastoma tumor suppressor gene later leading to overexpression of p16 presence of which is correlated with HPV
associated carcinoma.