case 2 - kathrin.unibas.ch · dentigerous cyst 2nd most common odontogic cyst osteolysis...
TRANSCRIPT
![Page 1: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/1.jpg)
Case 2Osteolysis regio 4815 year old male
![Page 2: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/2.jpg)
![Page 3: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/3.jpg)
![Page 4: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/4.jpg)
![Page 5: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/5.jpg)
![Page 6: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/6.jpg)
![Page 7: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/7.jpg)
![Page 8: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/8.jpg)
Diagnosis Case 2Keratocystic odontogenic tumor withinflammatory changes
![Page 9: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/9.jpg)
most common odontogenic tumor
behind 3-12% of all odont. cysts
3. decade, 3rd mandibular molar
asymptomatic, pot. superinfection
Gorlin-Goltz-Syndrom
![Page 10: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/10.jpg)
circumscribed osteolysis
(40%?) with impacted tooth
Histology5-8 cell layers, parakeratosis
basal palisadingabsence of rete ridges
frequent mitoses, check for dysplasia
![Page 11: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/11.jpg)
![Page 12: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/12.jpg)
Differential DiagnosesRadicular cystDentigerous cystOOCUnicystic AB
![Page 13: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/13.jpg)
![Page 14: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/14.jpg)
![Page 15: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/15.jpg)
Radicular cystmost common odontogenic cyst
apical osteolysis, devitalized tooth
inflammation of the dental pulp
periapical granuloma
radicular cyst
![Page 16: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/16.jpg)
![Page 17: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/17.jpg)
![Page 18: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/18.jpg)
![Page 19: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/19.jpg)
![Page 20: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/20.jpg)
Dentigerous cyst2nd most common odontogic cyst
osteolysis surrounding an impacted toothliquid collection between crown and reduced
enamel epithelium (2-3 flat cell layers)always in contact with crown
![Page 21: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/21.jpg)
enamel
dentin
pulp
outer enamel epitheliumstr. reticularestr. intermediumameloblastes
reduced enamel epithelium
![Page 22: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/22.jpg)
![Page 23: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/23.jpg)
Orthokeratinizing odontogenic cystno parakeratosis, no basal palisading
5-15 cell layers, flat interface posterior mandible, ¼ with impacted tooth
infrequent recurrences
![Page 24: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/24.jpg)
![Page 25: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/25.jpg)
![Page 26: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/26.jpg)
intraluminal / luminal mural
![Page 27: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/27.jpg)
Unicystic ameloblastomaunilocular osteolysis
2nd decade with, 4th decade without impacted toothluminal vs mural variant
> 90% mandible
![Page 28: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/28.jpg)
Inflammatory changescan mask everything!!!
![Page 29: Case 2 - kathrin.unibas.ch · Dentigerous cyst 2nd most common odontogic cyst osteolysis surrounding an impacted tooth liquid collection between crown and reduced enamel epithelium](https://reader034.vdocument.in/reader034/viewer/2022042212/5eb53c323d41f5491a4988c6/html5/thumbnails/29.jpg)
Keratocystic odontogenic tumorRadicular cyst
Dentigerous cyst
MALT lymphomaChronic rhinitis
Chronic inflammationMyeloma
Other
3212
5
12
42
6
Sent in diagnoses