Free Odontogenic Cysts and Tumours MCQs with Answers
129 Odontogenic Cysts and Tumours MCQs from Oral Pathology and Medicine, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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- A. Octeosarcoma
- B. Retinoblastoma
- C. Malignant melanoma
- D. Neuroblastoma
Explanation: Osteosarcoma does not characteristically undergo spontaneous regression and requires active treatment.
Correct answer: Octeosarcoma- A. Gingival cyst of the newborn
- B. Aneurysmal bone cyst
- C. Haemorrhagic bone cyt
- D. All of the above
Explanation: The gingival cyst of the newborn is a true epithelial-lined developmental cyst.
Correct answer: Gingival cyst of the newborn- A. Leiomyoma
- B. Rhabdomyoma
- C. Rhabdomyosarcoma
- D. Leiomyosarcoma
Explanation: Rhabdomyoma is the benign tumour of striated voluntary muscle. Leiomyoma arises from smooth muscle, whereas rhabdomyosarcoma and…
Correct answer: Rhabdomyoma- A. Neurofibroma
- B. Neurofibrosarcoma
- C. Neurilemmoma
- D. Traumatic neuroma
Explanation: Antoni A areas with palisaded nuclei and Antoni B areas with a looser arrangement are characteristic of schwannoma, also called…
Correct answer: Neurilemmoma- A. Aneurysmal bone cyst
- B. Radicular cyst
- C. Mucous retention cyst
- D. Dentigetous cyst
Explanation: An aneurysmal bone cyst is a pseudocyst because it is a blood-filled bone cavity without a true epithelial lining.
Correct answer: Aneurysmal bone cyst- A. Sinuses
- B. Aneurismal bone cysts
- C. Fistulae
- D. Keratocytes
Explanation: An aneurysmal bone cyst is a pseudocyst, so it lacks the epithelial lining expected in a true cyst.
Correct answer: Aneurismal bone cysts- A. X-linked disease
- B. Autosomal recessive disorder
- C. Autosomal dominant disease
- D. A syndrome of unknown cause
Explanation: Gardner syndrome is an autosomal dominant APC-related disorder, classically combining multiple osteomas with intestinal polyposis and…
Correct answer: Autosomal dominant disease- A. Radicular cyst
- B. Dentigerous cyst
- C. Naso palatine duct cyst
- D. Hemorrhagic / Traumatic bone cyst
Explanation: A traumatic or hemorrhagic bone cyst is a pseudocyst, so it lacks an epithelial lining.
Correct answer: Hemorrhagic / Traumatic bone cyst- A. Periapical osteofibroses
- B. Multiple granulomas
- C. Chronic periapical abscesses
- D. Bone hypoplasias associated with opalescent teeth
Explanation: Multiple periapical radiolucencies around vital teeth are characteristic of the early radiolucent stage of periapical cemento-osseous…
Correct answer: Periapical osteofibroses