Bone Tumors
A 22-year-old man presents with a painless hard mass near his right knee that has been present for several years. He first noticed it during adolescence and feels it has not changed recently. Examination shows a non-tender, fixed, bony hard mass arising from the proximal tibia metaphysis. X-ray shows a pedunculated bony outgrowth with cortical and medullary continuity with the underlying bone, pointing away from the adjacent joint. Regarding benign bone tumors:
Mark each as TRUE or FALSE
Osteochondroma (exostosis) is the most common benign bone tumor; it shows cortical and medullary con...
Enchondroma is a benign cartilage tumor arising within the medullary cavity; it is most common in th...
Osteochondroma points toward the adjacent joint; benign bone tumors always cause pain; enchondromas ...
Osteoid osteoma is characterized by a small (less than 1.5cm) nidus surrounded by reactive bone; it ...
Giant cell tumor (GCT) of bone is a locally aggressive benign tumor affecting the epiphysis of skele...
Answer the questions to see explanations
Click T (True) or F (False) for each option