Odontogenic tumours Flashcards
1
Q
What type of tumour is an ameloblastoma?
A
Odontogenic benign epithelial tumour - locally destructive but slow growing and typically painless
2
Q
Where do 80% of ameloblastomas occur?
A
Posterior mandible
3
Q
Radiological types of ameloblastoma
A
- Multicystic (85-90%)
- Unicystic
- Younger patients
- Lower recurrence risk
- Unicystic
4
Q
Histological types of ameloblastoma
A
- Follicular
- Plexiform
- Desmoplastic (more radiopaque than other ameloblastomas)
- (several other less common types)
5
Q
Why can ameloblastoma cells grow and infiltrate into jaw bones? (high recurrence rate)
A
No connective tissue capsule
6
Q
In what way is an adenomatoid odontogenic tumour different from a dentigerous cyst?
A
Typically attached apical to the CEJ
Dentigerous cyst often more symmetrical
7
Q
Odontogenic myxoma recurrence rate
A
25%
8
Q
What is the most common odontogenic tumour?
A
Odontoma
9
Q
Are odontomas more common in male or female?
A
Female
