Bone Sarcoma

Bone sarcomas are those which arise from, or within, the bones and/or cartilage of the skeleton. There are three 'common' bone sarcomas which have different epidemiological, clinical and pathological features.

Characteristic	Osteosarcoma	Chondrosarcoma	PNET
Age of Onset	Teens; 30% of cases over 40	Mostly over 50	Teens; almost no cases over 30
Gender	Significant male excess	Almost even	Significant male excess
Race	No factors identified	No factors	More common in European/Hispanic; very rare in Africans
Symptoms	Weeks	Months-years	Weeks
Microscopy	Osteoid deposits, pleomorphic	Irregular lobules of chondrocytes that permeate the bone	Small round blue cell tumour

Topics

• Chondrosarcoma
• Chordoma
• Osteosarcoma
• Primitive Neuroectodermal Tumour (PNET) / Ewing Sarcoma

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Links

• K: Sarcoma
  • Bone Sarcoma
  • Soft Tissue Tumours