Random Final Questions Flashcards
What gene is mutated in Nevoid basal cell carcinoma syndrome?
PTCH tumor suppressor gene
Pt is a 12 year old male who presents with bifid ribs, skin tumors, and multiple OKCs. What is a likely diagnosis?
Nevoid basal cell carcinoma syndrome (NBCCS)
T/F: OKCs may present as an extra-osseous bump on gums
true
What neoplasms should be looked for when you diagnose someone with Nevoid basal cell carcinoma syndrome?
Medulloblastoma
T/F: Orthokeratinizing odontogenic cyst is a developmental odontogenic cyst with a parakeratin lining
FALSE- an ORTHOkeratin lining!
What key cell can be found in Calcifying Odontogenic cyst?
ghost cells
T/F: Radiographically, a Calcifying odontogenic cyst is radiolucent
False- Radiolucent to MIXED
What population and location is a calcifying odontogenic cyst typically found?
anterior maxilla; adults
Name the location for an orthokeratinizing odontogenic cyst (OOC):
Peri-coronal radiolucency
What is a key difference between a nasopalatine duct cyst and a median palatine cyst?
Nasopalatine: associated with VITAL teeth
Median palatine: NOT associated with teeth
most common diagnosis for a cyst associated with a NON-VITAL tooth, located on/around the apex of the tooth
Periapical cyst
Patient is recommended to get endo but they opt for extraction instead.
You take radiographs 2 years after the extraction and see a PA radiolucency.
What is a likely diagnosis?
Residual cyst
What cyst occurs after a tooth is extracted?
residual cyst
- Periapical cyst
- Residual Cyst
- Buccal bifurcation cyst
Of the three inflammatory odontogenic cysts listed, which are associated with VITAL teeth?
buccal bifurcation
How can you distinguish between a dentigerous cyst and a hyperplastic follicle histologically?
Dentigerous cyst= stratified squamous epithelium
Hyperplastic follicle= reduced enamel epithelium
