A Pathology Test About Non-odontogenic Tumors

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| By Krissabella
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Krissabella
Community Contributor
Quizzes Created: 12 | Total Attempts: 34,074
Questions: 25 | Attempts: 1,041

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A Pathology Test About Non-odontogenic Tumors - Quiz

Primary intraosseous tumors of non-odontogenic origin arising in children and adolescents include osteoma and osteoblastoma, Langerhans cell histiocytosis, desmoplastic fibroma, inflammatory myofibroblastic tumor, juvenile ossifying fibroma, Ewing sarcoma and osteosarcoma, and primary intraosseous lymphoma.


Questions and Answers
  • 1. 

    An ossifying fibroma is uncommon in the jaws, but if found is in the mandibular premolar/molar area.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    An ossifying fibroma is a rare condition that typically occurs in the jaws. When it does occur, it is most commonly found in the mandibular premolar/molar area. Therefore, the statement "An ossifying fibroma is uncommon in the jaws, but if found is in the mandibular premolar/molar area" is true.

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  • 2. 

    Fibrous dysplasia separates with ease from normal bone.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Ossifying fibroma does

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  • 3. 

    It can be difficult to distinguish between an ossifying fibroma and fibrous dysplasia.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because both ossifying fibroma and fibrous dysplasia are bone disorders that can have similar radiographic and histological features. They both involve the abnormal growth of fibrous tissue in the bone, leading to the formation of bone-like structures. This similarity in appearance can make it challenging for healthcare professionals to differentiate between the two conditions without further diagnostic tests such as imaging or biopsy. Therefore, it is true that distinguishing between an ossifying fibroma and fibrous dysplasia can be difficult.

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  • 4. 

    An ossifying fibroma is a fibrous connective tissue stroma in which new bone is formed.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    An ossifying fibroma is a type of tumor that is characterized by the formation of new bone within a fibrous connective tissue stroma. This means that the tumor contains both fibrous tissue and newly formed bone. Therefore, the statement "An ossifying fibroma is a fibrous connective tissue stroma in which new bone is formed" is true.

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  • 5. 

    An ossifying fibroma looks like ground glass on a radiograph.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Fibrous Dysplasia

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  • 6. 

    Fibrous dysplasia is a bilateral slow progressive enlargement of the jaw.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    unilateral

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  • 7. 

    Fibrous dysplasia is where normal medullary bone is replaced by an abnormal fibrous connective proliferation in which new non-maturing bone is formed.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Fibrous dysplasia is a condition where normal medullary bone is replaced by abnormal fibrous connective tissue. This abnormal tissue leads to the formation of new bone that does not mature properly. Therefore, the statement that fibrous dysplasia involves the replacement of normal bone with abnormal fibrous connective tissue and the formation of non-maturing bone is true.

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  • 8. 

    Fibrous dysplasia shows woven bone instead of mature bone.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Fibrous dysplasia is a bone disorder characterized by the replacement of normal bone with fibrous tissue. This results in the formation of woven bone, which is a type of immature bone that is disorganized and lacks the structural integrity of mature bone. Therefore, the statement that fibrous dysplasia shows woven bone instead of mature bone is true.

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  • 9. 

    Malignant transformation is common with fibrous dysplasia.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Malignant transformation refers to the process by which a benign tumor becomes cancerous. Fibrous dysplasia, on the other hand, is a non-cancerous bone disorder characterized by the abnormal development of fibrous tissue. Therefore, it is incorrect to say that malignant transformation is common with fibrous dysplasia.

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  • 10. 

    An osteoblastoma is an uncommon painless swelling with lesions in the posterior tooth-bearing areas.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    only radiopacity w/ pain

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  • 11. 

    An osteoblastoma arises from the surface of a root and is fused to it obliterating the apex of the tooth.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    cementoblastoma

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  • 12. 

    On a radiograph an osteoblastoma is a thin radiolucency border around a calcified central tumor mass.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    An osteoblastoma is a benign bone tumor that is characterized by a central calcified mass surrounded by a thin radiolucent border on a radiograph. This radiolucent border represents the reactive bone formation by the osteoblasts, which is a characteristic feature of osteoblastoma. Therefore, the statement that on a radiograph an osteoblastoma is a thin radiolucency border around a calcified central tumor mass is true.

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  • 13. 

    Gardner's Syndrome can show multiple impacted permanent and supernumerary teeth and has a high rate of malignant transforation to invasive colorectal carcinoma.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Gardner's Syndrome is a genetic disorder characterized by the development of multiple impacted permanent and supernumerary teeth. Additionally, individuals with Gardner's Syndrome have an increased risk of developing invasive colorectal carcinoma, a type of cancer that affects the colon and rectum. Therefore, the statement that Gardner's Syndrome can show multiple impacted teeth and has a high rate of malignant transformation to invasive colorectal carcinoma is true.

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  • 14. 

    Osteomas are removed with surgical excision and have a high rate of recurrence.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    not a high rate

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  • 15. 

    A patient with Gardner's Syndrome may have fibromas of the skin and epidermal and trichilemmal cysts.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Gardner's Syndrome is a rare genetic disorder characterized by the development of multiple polyps in the colon and rectum, which can lead to colon cancer. In addition to this, patients with Gardner's Syndrome may also develop fibromas of the skin, which are non-cancerous growths, as well as epidermal and trichilemmal cysts, which are benign cysts that form within the skin. Therefore, it is true that a patient with Gardner's Syndrome may have fibromas of the skin and epidermal and trichilemmal cysts.

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  • 16. 

    The principal diagnostic problem with a Chondroma is to histologically distinguish from a more common chondrosarcoma.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The principal diagnostic problem with a Chondroma is to histologically distinguish it from a more common chondrosarcoma. This means that it can be challenging to differentiate between these two types of tumors based on their microscopic characteristics. Chondromas are benign tumors composed of mature cartilage cells, while chondrosarcomas are malignant tumors that exhibit more aggressive behavior. Therefore, it is important to accurately identify and differentiate between these two types of tumors to ensure appropriate management and treatment for the patient.

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  • 17. 

    A Central Giant Cell Granuloma presents as a solitary radiopaque lesion.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    radiolucent

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  • 18. 

    A Central Giant Cell Granuloma is a benign proliferation of fibroblasts and multinucleated giant cells and is not commonly found in the jaws.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    almost exclusively in jaws

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  • 19. 

    A central giant cell granuloma is usually found in children and young adults before 30 years of age.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A central giant cell granuloma is a type of benign tumor that commonly occurs in the jawbones of children and young adults under the age of 30. This condition is characterized by the presence of multinucleated giant cells within the tumor. It is important to note that while central giant cell granulomas are more prevalent in younger individuals, they can still occur in older age groups, although less frequently. Therefore, the statement "A central giant cell granuloma is usually found in children and young adults before 30 years of age" is true.

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  • 20. 

    A Central Giant Cell Granuloma is usually found in females anterior to the permanent molar teeth.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A Central Giant Cell Granuloma is a benign jaw tumor that is commonly found in females. It typically occurs in the anterior region of the jaw, specifically in front of the permanent molar teeth. This tumor is more prevalent in females compared to males. Therefore, the statement that a Central Giant Cell Granuloma is usually found in females anterior to the permanent molar teeth is true.

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  • 21. 

    A Central Giant Cell Granuloma is a painful expansion of the affected jaw where the cortical plates are thinned.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    painless

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  • 22. 

    A patient with Central Giant Cell Granuloma must get their levels of parathyroid hormone checked because if elevated then they have primary hyperparathyroidism.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Patients with Central Giant Cell Granuloma should have their levels of parathyroid hormone checked because an elevated level indicates the presence of primary hyperparathyroidism. This is important because primary hyperparathyroidism is a condition characterized by excessive production of parathyroid hormone by the parathyroid glands, which can lead to various complications such as bone loss, kidney stones, and digestive issues. Therefore, monitoring the levels of parathyroid hormone in patients with Central Giant Cell Granuloma can help identify and manage any underlying primary hyperparathyroidism.

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  • 23. 

    A Hemangioma of bone is usually found in the posterior mandible of females.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Hemangioma of bone is a benign tumor that commonly occurs in the posterior mandible, which is the lower jawbone. It is more frequently found in females compared to males. Therefore, the statement that a hemangioma of bone is usually found in the posterior mandible of females is true.

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  • 24. 

    A Hemangioma of bone has a soap bubble appearance on a radiograph.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A hemangioma of bone is a benign tumor that consists of a collection of blood vessels. On a radiograph, it appears as a well-defined, radiolucent lesion with a thin cortical rim, giving it a soap bubble appearance. This is due to the presence of blood-filled spaces within the tumor. Therefore, the statement is true.

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  • 25. 

    Coronoid Hyperplasia is usually bilateral.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Coronoid hyperplasia refers to the excessive growth of the coronoid process, a bony projection in the jaw. This condition typically affects both sides of the jaw, making it bilateral. Therefore, the statement "Coronoid Hyperplasia is usually bilateral" is true.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 15, 2008
    Quiz Created by
    Krissabella
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