18 Questions
What is the prognosis and long-term survival rate in osteosarcoma patients with advances in treatment?
60%
Which is a standard part of osteosarcoma treatment according to the text?
Chemotherapy
What radiographic feature is characteristic of osteosarcoma?
Reactive periosteal bone formation
Which type of cells are commonly found in osteosarcoma microscopic examination?
Malignant osteoid cells
Which term describes the gross appearance of osteosarcoma?
Cystic degeneration
What is the most common cartilage type found in benign cartilage forming tumors?
Hyaline cartilage
Which radiology finding is characteristic of Osteoid Osteoma?
Sclerotic lesion with central nidus and surrounding reactive sclerosis
What is the clinical presentation of Osteoid Osteoma?
Benign slow-growing tumor causing bone deformation
What is a distinguishing feature of Osteoblastoma compared to Osteoid Osteoma?
Larger lesion size, typically more than 2 cm
Which of the following best describes the morphology of Osteoid Osteoma?
Homogenous eosinophilic material between neoplastic cells
Which clinical feature is characteristic of Osteoblastoma?
Middle-aged adults as the common age group affected
What distinguishes multiple Osteomas seen in Gardner syndrome from a solitary Osteoma?
Association with hereditary tumor syndromes only in solitary Osteoma
What is the common histologic feature between osteoid osteoma and osteoblastoma?
Randomly interconnecting trabeculae of woven bone rimmed by osteoblasts
Which tumor is characterized by painful, sharp pain due to excessive prostaglandin E2 production?
Osteoid osteoma
What is the distinguishing factor between osteoid osteoma and osteoblastoma in terms of size?
Osteoid osteoma is typically < 2 cm, while osteoblastoma is usually > 2 cm
Which lesion is more likely to involve the vertebral column?
Osteoblastoma
Which radiology finding is characteristic of both osteoid osteoma and osteoblastoma?
Lucent lesion
What is a common morphological feature shared by both osteoid osteoma and osteoblastoma?
Hemorrhagic gritty tan tissue
Learn about the histologic features, site of origin, and symptoms that distinguish osteoid osteoma and osteoblastoma. Understand the clinical presentation, age distribution, and gender predisposition of these benign bone tumors.
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