histology of cysts Flashcards
1
Q
What is the histopathology of radicular cyst?
A
- regular lining of non keratinised squamous cell epithelium
- deposits of chlestrol
- vascular capsule
- inflammatory infiltrate
2
Q
What is the content of radicular cyst?
A
varies from watery, straw coloured fluid through to semi solid brownish material
3
Q
What is the histopathological findings in dentigerous cyst?
A
- thin, regular layer of non keratinising, stratified sqamous epithelium
cyst content - protinaceous, yellowish fluid
- cholestrol crystals
4
Q
What is the histopathological findings in odontogenic keratocyst?
A
- Thin connective tissue wall
- uninflamed
- lined by thin, folded paraeratinised stratified squamous epithelium
5
Q
What are the cyst content in odontogenic keratocyst?
A
thick, grey/white cheesy material with keratinous debris
6
Q
What are the histopathological features of orthokeratinised odontogenic cyst?
A
- orthokeratinisation and flattened basal cell layer
7
Q
Nasopalatine duct histopathology
A
- lined by stratified squamous and respiratory or cuboidal epithelium
- neurovacular bundles found in capsule
8
Q
What are the complications of enucleation?
A
damage to IAN
communication with maxillary sinus
pathological fracture of mandible
risk of recurrence
9
Q
Complications of marsupialisation?
A
- needs further surgery for removal of cyst
- long treatment before completion
- chance of re-infection
- uncomfortable
