Chondrosarcoma — Grades & Surgery
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.
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1Practised by MCQ
10What is the most common site for chondrosarcoma?
mcqWhich histological grade of chondrosarcoma typically has the best prognosis?
mcqWhat is the most effective treatment for high-grade chondrosarcoma?
mcqWhich imaging finding is characteristic of chondrosarcoma?
mcqWhat is the recommended surgical approach for Grade 2 chondrosarcoma?
mcqWhich subtype of chondrosarcoma is most aggressive and has a poor prognosis?
mcqIn which age group is chondrosarcoma most commonly diagnosed?
mcqWhat is the primary reason that chemotherapy is generally ineffective for chondrosarcoma?
mcqWhich of the following conditions increases the risk of developing secondary chondrosarcoma?
mcqWhich of the following is true regarding the 5-year survival rate of Grade 3 chondrosarcoma?