Odontogenic Tumors

Question 1

Which tumor shows dense collagenous stroma with thin strands and cords of epithelium cells?

Answer 1

Desmoplastic ameloblastoma

Question 2

Chance of reccurence after multicystic ameloblastoma enucleation?

Answer 2

Less than 50%

Question 3

What is the origin of Pindborg tumor?

Answer 3

Stratum intermedium

Question 4

Which odontogenic neoplasm consist of loose, primitive appearing connective tissue that ressembles dental pulp?

Answer 4

Ameloblastic fibroma

Question 5

Which tumor commonly occurs in anterior part of maxilla in relation to unerupted canine and contains duct-like epithelial cells?

Answer 5

Adenomatoid odontogenic tumor

Question 6

Which tumor shows epithelium with hyperchromatic basal layer and overlying loosely cohesive epithelial cells? Clinic: painless swelling in 3rd molar region

Answer 6

Unicystic ameloblastoma

Question 7

Granular cell ameloblastoma is characterized by granules composed of?

Answer 7

Lysosomes

Question 8

Where are liesegang rings found?

Answer 8

Calcifying epithelial odontogenic tumor (pindborg tumor)

Question 9

Compound odontoma radiographical appearance? D/d complex odontoma?

Answer 9

Compound: multiple small toothlike structures
Complex: conglomerate mass; no anatomic resemblance to a tooth

Question 10

Which tumor shows driven-snow appearance radiographically?

Answer 10

CEOT (pindborg tumor)