14.Odontogenic_Tumors_Tests Flashcards
(14 cards)
A 40-year-old patient has a multilocular radiolucent lesion in the posterior mandible showing islands of odontogenic epithelium.
Which of the following diagnoses best fits this presentation?
A. Conventional Ameloblastoma
B. Unicystic Ameloblastoma
C. Peripheral Ameloblastoma
D. Ameloblastic Fibroma
A - Conventional Ameloblastoma: solid/multicystic epithelial tumor
An adolescent presents with a unilocular cystic lesion with ameloblastomatous lining on histology.
Which of the following diagnoses best fits this presentation?
A. Peripheral Ameloblastoma
B. Unicystic Ameloblastoma
C. Ameloblastic Fibroma
D. Ameloblastic Fibro-odontoma
B - Unicystic Ameloblastoma: single cyst ameloblastoma
A gingival mass resembling ameloblastoma arises in soft tissue without bone involvement.
Which of the following diagnoses best fits this presentation?
A. Ameloblastic Fibroma
B. Ameloblastic Fibro-odontoma
C. Peripheral Ameloblastoma
D. Calcifying Epithelial Odontogenic Tumor
C - Peripheral Ameloblastoma: extraosseous ameloblastoma
A child shows mixed radiolucent-radiopaque lesion and histology reveals fibrous and epithelial elements.
Which of the following diagnoses best fits this presentation?
A. Ameloblastic Fibro-odontoma
B. Calcifying Epithelial Odontogenic Tumor
C. Adenomatoid Odontogenic Tumor
D. Ameloblastic Fibroma
D - Ameloblastic Fibroma: epithelial-mesenchymal tumor
A patient has a radiopaque mass surrounded by radiolucent halo; histology shows enamel and dentin components.
Which of the following diagnoses best fits this presentation?
A. Ameloblastic Fibro-odontoma
B. Calcifying Epithelial Odontogenic Tumor
C. Adenomatoid Odontogenic Tumor
D. Squamous Odontogenic Tumor
A - Ameloblastic Fibro-odontoma: mixed odontogenic tumor
Radiograph reveals a radiolucent lesion with calcifications and polyhedral epithelial cells with amyloid-like deposits.
Which of the following diagnoses best fits this presentation?
A. Adenomatoid Odontogenic Tumor
B. Calcifying Epithelial Odontogenic Tumor
C. Squamous Odontogenic Tumor
D. Clear Cell Odontogenic Tumor
B - Calcifying Epithelial Odontogenic Tumor: Pindborg tumor with calcifications
A woman has a well-circumscribed radiolucent lesion with duct-like structures and calcifications.
Which of the following diagnoses best fits this presentation?
A. Squamous Odontogenic Tumor
B. Clear Cell Odontogenic Tumor
C. Adenomatoid Odontogenic Tumor
D. Odontogenic Myxoma
C - Adenomatoid Odontogenic Tumor: enamel epithelium tumor
A patient presents with a slow-growing radiolucent lesion composed of squamous epithelial islands in mandible.
Which of the following diagnoses best fits this presentation?
A. Clear Cell Odontogenic Tumor
B. Odontogenic Myxoma
C. Cementoblastoma
D. Squamous Odontogenic Tumor
D - Squamous Odontogenic Tumor: squamous cell tumor
Histology of a jaw tumor shows sheets of clear cells arranged in nests and islands.
Which of the following diagnoses best fits this presentation?
A. Clear Cell Odontogenic Tumor
B. Odontogenic Myxoma
C. Cementoblastoma
D. Central Odontogenic Fibroma
A - Clear Cell Odontogenic Tumor: clear cell epithelial tumor
A painless expansion of the jaw shows a multilocular radiolucency with myxoid stroma on histology.
Which of the following diagnoses best fits this presentation?
A. Cementoblastoma
B. Odontogenic Myxoma
C. Central Odontogenic Fibroma
D. Complex Odontoma
B - Odontogenic Myxoma: mesenchymal myxoid tumor
A patient exhibits a radiopaque mass fused to the root of a molar with pain and root resorption.
Which of the following diagnoses best fits this presentation?
A. Central Odontogenic Fibroma
B. Complex Odontoma
C. Cementoblastoma
D. Compound Odontoma
C - Cementoblastoma: benign cementum-producing tumor
Radiographic exam shows a well-defined radiolucent lesion; biopsy reveals fibrous connective tissue odontogenic rests.
Which of the following diagnoses best fits this presentation?
A. Complex Odontoma
B. Compound Odontoma
C. Conventional Ameloblastoma
D. Central Odontogenic Fibroma
D - Central Odontogenic Fibroma: fibrous odontogenic tumor
An x-ray shows multiple irregular radiopaque masses resembling tooth structures in posterior maxilla.
Which of the following diagnoses best fits this presentation?
A. Complex Odontoma
B. Compound Odontoma
C. Conventional Ameloblastoma
D. Unicystic Ameloblastoma
A - Complex Odontoma: disorganized enamel/dentin mass
A panoramic image reveals small tooth-like radiopacities and intervening radiolucent zone in anterior maxilla.
Which of the following diagnoses best fits this presentation?
A. Conventional Ameloblastoma
B. Compound Odontoma
C. Unicystic Ameloblastoma
D. Peripheral Ameloblastoma
B - Compound Odontoma: tooth-like structures tumor
