Oral facial and bone neoplasms Flashcards
What are the main features of a benign tumours?
- Well differentiated
- Capsulated
- Slow growth
- No spread to other areas
What is the name for a benign tumour forms from capillaries or blood vessels?
Heamangioma
- Blanches on pressure
- Management = excision, cryotherapy (cold temperature to freeze off the lesion)
- Classic blue colour
What is a lipoma?
A neoplasm of fatty tissue which can occur anywhere within subdermal fat.
It appears a soft yellow/pink colour.
It can be treated with surgical excision and it comes out as a capsule.
What is a fibroepithelial polyp?
Management?
This is a common benign tumour of the epithelium of the oral cavity.
It is usually a pedunculate lesion (has a stalk).
It is normally caused by chronic irritation from something in the mouth such as a denture.
It can be removed by elliptical excision and a few stitches in the mucosa.
What virus causes a papilloma?
Human papilloma virus strains 6 and 11.
The tumour tends to form on the soft palate and tongue.
The tumour needs surgical excision or cryotherapy.
What is the name of a benign tumour that appears as a pigmented mole?
Melanocytic Naevi.
In what tissue does a pyogenic granuloma occur?
In connective tissue.
- Tends to occur due to low grade irritation, trauma or poor oral hygiene
- Commonly related to hormonal changes common in pregnancy
- Treatment is local surgical excision and excellent oral hygiene
Where is an ameloblastoma found?
In the odontogenic epithelium.
- 80% found in the mandibular posterior region
- Leads to expansion and resorption of tooth roots
- Treated with enucleation (removal)
What part of the head is where the pleomorphic adenoma occurs?
Salivary glands - commonly parotid gland
What is a torus?
A benign overgrowth of bone peripherally.
It is common in the palate and lingual aspect of the mandible.
Surgical reduction is done if necessary.
