Home/Quiz/Board Exam MCQs on Odontogenic Cysts and Tumors Board Exam MCQs on Odontogenic Cysts and Tumors Welcome to your Board Exam MCQs on Odontogenic Cysts and Tumors 1. A 42-year-old patient is evaluated for a slow-growing jaw lesion. Which of the following is NOT classified as an odontogenic tumor? Acanthomatous ameloblastoma Branchial cleft cyst Odontogenic myxoma Conventional ameloblastoma Calcifying epithelial odontogenic tumor None Hint 2. A 19-year-old patient has multiple jaw radiolucencies, basal cell nevi, bifid ribs, and falx cerebri calcification. Which syndrome is most likely? Gorlin-Goltz syndrome Sturge-Weber syndrome Horner syndrome Hereditary internal polyposis syndrome Peutz-Jeghers syndrome None Hint 3. A 38-year-old patient presents with painless expansion of the posterior mandible and a multilocular radiolucency in the molar-ramus region. Where does conventional ameloblastoma most frequently occur? Mandibular molar-ramus region Maxillary molar region Mandibular premolar region Maxillary premolar region Anterior nasal floor None Hint 4. A 9-year-old child has delayed eruption of a maxillary central incisor. Radiography shows several small tooth-like radiopaque structures surrounded by a narrow radiolucent rim. What is the typical appearance of a compound odontoma? A single unstructured radiopaque mass Mixed radiolucent-radiopaque areas without dental structures A multilocular radiolucency Multiple distinguishable tooth-like structures A purely radiolucent pericoronal lesion None Hint 5. A radiopaque mass is fused to the root of a vital mandibular molar and causes pain and cortical expansion. Which lesion is a true neoplasm of functional cementoblasts? Periapical cemento-osseous dysplasia Familial gigantiform cementoma Benign cementoblastoma Hypercementosis Inflammatory cemental dysplasia None Hint 6. A 55-year-old patient has a multilocular, grape-like radiolucency between mandibular premolar roots. Which diagnosis is a variant of the lateral periodontal cyst? Botryoid odontogenic cyst Apical radicular cyst Gingival cyst of the newborn Gingival cyst of the adult Dentigerous cyst None Hint 7. A 7-year-old child presents with a bluish swelling over the crown of an erupting mandibular molar. What is the usual course of an eruption cyst? It routinely transforms into a dentigerous cyst It usually regresses after tooth eruption It develops at the site of a congenitally missing tooth It is a solid odontogenic tumor It always requires wide surgical excision None Hint 8. Histology of a calcifying epithelial odontogenic tumor shows concentric laminated calcifications. What are these structures called? Rushton bodies Verocay bodies Liesegang rings Civatte bodies Keratin pearls None Hint 9. A posterior mandibular lesion contains islands of odontogenic epithelium resembling the enamel organ. Which option is an odontogenic tumor? Arrhenoblastoma Astrocytoma Ameloblastoma Granular cell tumor Schwannoma None Hint 10. A 16-year-old girl has delayed eruption of a maxillary canine. Imaging reveals a well-circumscribed radiolucency with fine radiopaque flecks around the unerupted tooth. Which tumor is most likely? Adenomatoid odontogenic tumor Complex odontoma Odontogenic myxoma Cementifying fibroma Ameloblastoma None Hint 11. A 30-year-old patient undergoes enucleation of a jaw cyst. Histopathology demonstrates numerous cholesterol clefts surrounded by foreign-body giant cells. Which lesion is classically associated with this finding? Keratocystic odontogenic tumor Periodontal cyst Aneurysmal bone cyst Hemorrhagic/simple bone cyst Periapical granuloma None Hint 12. A patient presents with an enlarged, irregular alveolar contour and multiple bony nodular enlargements. Which group of conditions can produce nodular or excessive bony growth involving the jaws? Paget disease Osteomas Cementifying/ossifying fibroma All of the above Only inflammatory gingivitis None Hint 13. A mandibular cystic lesion is lined by a thin stratified squamous epithelium with a characteristic palisaded basal layer, in which the nuclei are oriented away from the basement membrane. Which arrangement is classically described? Tennis-racket pattern Picket-fence pattern Linear pattern Irregular pattern Papillary pattern None Hint 14. A 45-year-old patient has a slowly enlarging mandibular lesion. Among the listed entities, which is traditionally described as the most common odontogenic tumor involving the mandible? Ameloblastoma (adamantinoma) Osteogenic sarcoma Squamous cell carcinoma Osteoclastoma Odontogenic fibroma None Hint 15. A patient is found to have a radiolucent jaw cavity containing blood but lacking an epithelial lining on histologic examination. Which lesion is NOT a true cyst? Hemorrhagic/simple bone cyst Median palatal cyst Globulomaxillary cyst Nasolabial cyst Developmental odontogenic cyst None Hint 16. A dentigerous cyst is associated with the crown of an unerupted tooth. Although uncommon, epithelial lining of a long-standing dentigerous cyst may undergo neoplastic transformation. Which tumor is classically associated with this change? Ameloblastoma Osteogenic sarcoma Osteoclastoma Central giant cell granuloma Odontogenic myxoma None Hint 17. A 28-year-old patient has a posterior mandibular radiolucency with a thin, keratinized epithelial lining and a palisaded basal layer. Which statement best describes an odontogenic keratocyst? It is usually caused by periapical infection It is developmental in origin It is reliably cured by aspiration alone It has a consistently low recurrence rate It is always associated with an unerupted tooth None Hint 18. A radiographic examination shows a well-defined radiolucency in the region where a tooth is congenitally absent. Which location is classically associated with the historical concept of a primordial cyst? In place of a missing tooth Adjacent to a tooth with a completely developed crown At the periapical region of a nonvital tooth Only in the mandibular body Within the maxillary sinus only None Hint 19. A student reviews an older classification of ameloblastoma attributed to Robinson. Which term is NOT included in the listed Robinson descriptors? Multicentric Non-functional Anatomically benign Clinically persistent Locally invasive None Hint 20. A 40-year-old patient has a posterior jaw lesion with scattered fine radiopaque flecks within a radiolucent area. The lesion is suspected to be a calcifying epithelial odontogenic tumor (Pindborg tumor). Which radiographic description is classically associated with it? Sunburst appearance Onion-peel appearance Driven-snow appearance Cherry-blossom appearance Ground-glass appearance None Hint 21. A 30-year-old patient undergoes enucleation of a jaw cyst. Histopathology demonstrates numerous cholesterol clefts surrounded by foreign-body giant cells. Which lesion is classically associated with this finding? Keratocystic odontogenic tumor Periodontal cyst Aneurysmal bone cyst Hemorrhagic/simple bone cyst Periapical granuloma None Hint 22. A patient presents with an enlarged, irregular alveolar contour and multiple bony nodular enlargements. Which group of conditions can produce nodular or excessive bony growth involving the jaws? Paget disease Osteomas Cementifying/ossifying fibroma All of the above Only inflammatory gingivitis None Hint 23. A mandibular cystic lesion is lined by a thin stratified squamous epithelium with a characteristic palisaded basal layer, in which the nuclei are oriented away from the basement membrane. Which arrangement is classically described? Tennis-racket pattern Picket-fence pattern Linear pattern Irregular pattern Papillary pattern None Hint 24. A 45-year-old patient has a slowly enlarging mandibular lesion. Among the listed entities, which is traditionally described as the most common odontogenic tumor involving the mandible? Ameloblastoma (adamantinoma) Osteogenic sarcoma Squamous cell carcinoma Osteoclastoma Odontogenic fibroma None Hint 25. A patient is found to have a radiolucent jaw cavity containing blood but lacking an epithelial lining on histologic examination. Which lesion is NOT a true cyst? Hemorrhagic/simple bone cyst Median palatal cyst Globulomaxillary cyst Nasolabial cyst Developmental odontogenic cyst None Hint 26. A dentigerous cyst is associated with the crown of an unerupted tooth. Although uncommon, epithelial lining of a long-standing dentigerous cyst may undergo neoplastic transformation. Which tumor is classically associated with this change? Ameloblastoma Osteogenic sarcoma Osteoclastoma Central giant cell granuloma Odontogenic myxoma None Hint 27. A 28-year-old patient has a posterior mandibular radiolucency with a thin, keratinized epithelial lining and a palisaded basal layer. Which statement best describes an odontogenic keratocyst? It is usually caused by periapical infection It is developmental in origin It is reliably cured by aspiration alone It has a consistently low recurrence rate It is always associated with an unerupted tooth None Hint 28. A radiographic examination shows a well-defined radiolucency in the region where a tooth is congenitally absent. Which location is classically associated with the historical concept of a primordial cyst? In place of a missing tooth Adjacent to a tooth with a completely developed crown At the periapical region of a nonvital tooth Only in the mandibular body Within the maxillary sinus only None Hint 29. A student reviews an older classification of ameloblastoma attributed to Robinson. Which term is NOT included in the listed Robinson descriptors? Multicentric Non-functional Anatomically benign Clinically persistent Locally invasive None Hint 30. A 40-year-old patient has a posterior jaw lesion with scattered fine radiopaque flecks within a radiolucent area. The lesion is suspected to be a calcifying epithelial odontogenic tumor (Pindborg tumor). Which radiographic description is classically associated with it? Sunburst appearance Onion-peel appearance Driven-snow appearance Cherry-blossom appearance Ground-glass appearance None Hint 31. A 30-year-old man has a mandibular radiolucency explored surgically, revealing an empty cavity without epithelial lining. What is the most likely diagnosis? Aneurysmal bone cyst Static bone cavity Simple (traumatic/hemorrhagic) bone cyst Ameloblastoma Dentigerous cyst None Hint 32. A patient has a large, locally aggressive conventional ameloblastoma involving the posterior mandible. Which treatment is generally most appropriate? Irradiation Excision or surgical resection Simple enucleation in every case Surgical removal followed routinely by cauterization Observation None Hint 33. A well-defined radiolucency surrounds the crown of an unerupted mandibular third molar. Which structures or lesions may be associated with a dentigerous cyst? Impacted third molar Impacted supernumerary tooth Odontoma All of the above Only erupted teeth None Hint 34. Histology of an uncomplicated dentigerous cyst shows a thin, non-keratinized epithelial lining. Which thickness is most characteristic? 15–20 cells 6–10 cells 2–4 cells 1–2 cells More than 30 cells None Hint 35. A biopsy of an odontogenic lesion shows prominent clear or pale cells. Which listed odontogenic lesion can show this finding? Pleomorphic adenoma Warthin tumor Mucoepidermoid carcinoma Adenomatoid odontogenic tumor Periapical cyst None Hint 36. A young patient has multiple jaw radiolucencies and multiple odontogenic keratocysts are suspected. Which syndrome is classically associated with this finding? Nevoid basal cell carcinoma syndrome Isolated odontogenic keratocyst Cherubism Thyroid disorder Fibrous dysplasia None Hint 37. A 36-year-old man has asymptomatic mandibular swelling with a radiolucency containing radiopaque flecks. Which diagnosis best fits? Odontogenic keratocyst Calcifying epithelial odontogenic tumor Ameloblastoma Simple bone cyst Nasopalatine duct cyst None Hint 38. A Pindborg tumor shows amyloid-like material and calcifications histologically. Which pair represents proposed odontogenic epithelial sources? Basal oral epithelium and stratum corneum Stratum intermedium and dental lamina Stratum corneum and enamel cuticle only Cementum and periodontal ligament only Odontoblasts and pulp fibroblasts only None Hint 39. A 6-year-old child has a painless blue, dome-shaped swelling over the posterior mandibular alveolar ridge near an erupting tooth. What is the best initial management? Reassure and observe Excise the lesion routinely Marsupialization Wide surgical excision Radiotherapy None Hint 40. A nonvital tooth is associated with a periapical cyst. Which process is central to its pathogenesis? Increased cyst pressure alone Immune-mediated bone destruction Proliferation of epithelial remnants in an inflammatory environment Primary proliferation of enamel-forming cells None of the above None Hint 41. A 17-year-old patient has a well-circumscribed anterior maxillary radiolucency associated with an unerupted canine. Histology shows epithelial cells forming duct-like or tubular structures. Which lesion is most likely? Polyhedral epithelial cells only Tubular or duct-like epithelial structures Stellate-shaped cells Stratified squamous epithelial lining Odontogenic myxoma None Hint 42. A developmental odontogenic cyst is suspected to arise from remnants of the dental lamina. Which listed lesion is the best match? Radicular cyst Paradental cyst Eruption cyst Glandular odontogenic cyst Residual cyst None Hint 43. A patient is diagnosed with an odontogenic cyst after clinical and radiographic assessment. Which lesion is generally regarded as the most common odontogenic cyst? Primordial cyst Dentigerous cyst Radicular cyst Mucocele Nasopalatine duct cyst None Hint 44. A 45-year-old patient has a conventional solid or multicystic ameloblastoma involving the posterior mandible. Which treatment is commonly recommended to reduce the risk of local recurrence? Segmental resection with an appropriate margin of uninvolved bone En bloc resection in every case without considering anatomy Enucleation alone Enucleation followed by cauterization in every case Radiotherapy alone None Hint 45. A mandibular cystic lesion shows extensive local bone destruction and a marked tendency to recur. Which lesion is most associated with this behavior among the listed cysts? Periapical cyst Dentigerous cyst Globulomaxillary cyst Nasopalatine duct cyst Odontogenic keratocyst None Hint 46. A patient presents with a rapidly enlarging parotid-region mass and facial nerve paralysis. Which lesion is most concerning for this presentation? Pleomorphic adenoma Epidermoid carcinoma Warthin tumor Lymphoepithelial carcinoma Mucocele None Hint 47. A cystic odontogenic lesion contains ghost cells and dentinoid-like material. Which current terminology is most appropriate for the solid neoplastic counterpart of a calcifying odontogenic cyst? Odontogenic ghost cell tumor Dentinogenic ghost cell tumor Keratocystic odontogenic tumor Both A and C Calcifying epithelial odontogenic tumor None Hint 48. A child presents with multiple bilateral dentigerous cyst-like radiolucencies around unerupted teeth. Which syndrome is classically associated with multiple dentigerous cysts in the listed options? Down syndrome Maroteaux–Lamy syndrome Treacher Collins syndrome Gorlin–Goltz syndrome Cleidocranial dysplasia None Hint 49. A tooth is extracted, but a cystic radiolucency remains in the edentulous region because the lesion was not removed. What is this lesion called? Lateral periodontal cyst Radicular cyst Residual cyst Eruption cyst Glandular odontogenic cyst None Hint 50. Histology of an inflammatory odontogenic cyst shows hyaline, corrugated rings or bodies associated with the epithelial lining and inflammatory cells. What are these structures called? Rushton bodies Hyaline bodies Howell–Jolly bodies Pappenheimer bodies Civatte bodies None Hint 51. A large dentigerous cyst is removed and submitted for histopathologic examination. Which complications are recognized, although uncommon, in association with a dentigerous cyst? Ameloblastoma Epidermoid carcinoma Mucoepidermoid carcinoma All of the above None of the above None Hint 1 out of 26 Time's up
