Quiz Case #3
Clinical Presentation:
A 65-year-old male presented with increasing pain and soft tissue swelling in the left knee area.
Radiological Findings
:
Plain radiograph
Matrix production demonstrated by CT scan
Pathological Findings:
:
Microscopic findings, low power
High power
High power
Questions
What is your diagnosis?
1
Chondrosarcoma, grade 3
2
Dedifferentiated chondrosarcoma
3
MFH
4
Osteosarcoma
The hallmark of this neoplasm is:
1
High degree of cellular pleomorphism and mitotic activity
2
Coexistence of two components, a low-grade lesion and a high-grade sarcoma, with abrupt demarcation between them
3
Presence of tumor osteoid
4
Specific chromosomal abnormality
This is a self-assessment test. The results are neither collected nor stored.
