Osteoid Osteoma and Osteoblastoma: Comparison and Clinical Features
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Questions and Answers

What is the prognosis and long-term survival rate in osteosarcoma patients with advances in treatment?

  • 40%
  • 60% (correct)
  • 50%
  • 25%

    • Which is a standard part of osteosarcoma treatment according to the text?

  • Chemotherapy (correct)
  • Surgery
  • Immunotherapy
  • Radiotherapy

    • What radiographic feature is characteristic of osteosarcoma?

  • Absence of Codman triangle
  • Smooth margins
  • Homogeneous density
  • Reactive periosteal bone formation (correct)

    • Which type of cells are commonly found in osteosarcoma microscopic examination?

    <p>Malignant osteoid cells</p> Signup and view all the answers

    Which term describes the gross appearance of osteosarcoma?

    <p>Cystic degeneration</p> Signup and view all the answers

    What is the most common cartilage type found in benign cartilage forming tumors?

    <p>Hyaline cartilage</p> Signup and view all the answers

    Which radiology finding is characteristic of Osteoid Osteoma?

    <p>Sclerotic lesion with central nidus and surrounding reactive sclerosis</p> Signup and view all the answers

    What is the clinical presentation of Osteoid Osteoma?

    <p>Benign slow-growing tumor causing bone deformation</p> Signup and view all the answers

    What is a distinguishing feature of Osteoblastoma compared to Osteoid Osteoma?

    <p>Larger lesion size, typically more than 2 cm</p> Signup and view all the answers

    Which of the following best describes the morphology of Osteoid Osteoma?

    <p>Homogenous eosinophilic material between neoplastic cells</p> Signup and view all the answers

    Which clinical feature is characteristic of Osteoblastoma?

    <p>Middle-aged adults as the common age group affected</p> Signup and view all the answers

    What distinguishes multiple Osteomas seen in Gardner syndrome from a solitary Osteoma?

    <p>Association with hereditary tumor syndromes only in solitary Osteoma</p> Signup and view all the answers

    What is the common histologic feature between osteoid osteoma and osteoblastoma?

    <p>Randomly interconnecting trabeculae of woven bone rimmed by osteoblasts</p> Signup and view all the answers

    Which tumor is characterized by painful, sharp pain due to excessive prostaglandin E2 production?

    <p>Osteoid osteoma</p> Signup and view all the answers

    What is the distinguishing factor between osteoid osteoma and osteoblastoma in terms of size?

    <p>Osteoid osteoma is typically &lt; 2 cm, while osteoblastoma is usually &gt; 2 cm</p> Signup and view all the answers

    Which lesion is more likely to involve the vertebral column?

    <p>Osteoblastoma</p> Signup and view all the answers

    Which radiology finding is characteristic of both osteoid osteoma and osteoblastoma?

    <p>Lucent lesion</p> Signup and view all the answers

    What is a common morphological feature shared by both osteoid osteoma and osteoblastoma?

    <p>Hemorrhagic gritty tan tissue</p> Signup and view all the answers

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