Second most common primary malignant bone tumor after osteosarcoma, usually >40 years. Common sites: pelvis, femur, humerus, ribs. Graded histologically (I–III); dedifferentiated and mesenchymal subtypes more aggressive. X‑ray: rings‑and‑arcs calcification, endosteal scalloping, cortical breach. Treatment: Wide surgical resection is mainstay; chemo/radiotherapy are ineffective.
What is the most common site for chondrosarcoma?
Which histological grade of chondrosarcoma typically has the best prognosis?
What is the most effective treatment for high-grade chondrosarcoma?
Which imaging finding is characteristic of chondrosarcoma?
What is the recommended surgical approach for Grade 2 chondrosarcoma?
Which subtype of chondrosarcoma is most aggressive and has a poor prognosis?
In which age group is chondrosarcoma most commonly diagnosed?
What is the primary reason that chemotherapy is generally ineffective for chondrosarcoma?
Which of the following conditions increases the risk of developing secondary chondrosarcoma?
Which of the following is true regarding the 5-year survival rate of Grade 3 chondrosarcoma?
