Bone Tumors Pt. 2

Unilateral coronoid hyperplasia (solitary osteochondroma) (Regezi, Sciubba, et al, 2017)

• Osteochondroma

• Osteosarcoma

• Chondrosarcoma

3rd most common bone malignancy after myeloma and osteosarcoma

• Osteochondroma

• Osteosarcoma

• Chondrosarcoma

Benign neoplasm forming a bony projection with a cartilaginous cap, with continuity between the marrow cavity of the tumor and underlying bone (WHO)

• Osteochondroma

• Osteosarcoma

• Chondrosarcoma

Prognosis after 5 yrs. : GRADE II

• 78%; 4%

• 53%: 10%

• 227: 70%

Prognosis after 5 yrs. : GRADE I

• 78%; 4%

• 53%: 10%

• 227: 70%

Prognosis after 5 yrs. : GRADE III

• 78%; 4%

• 53%: 10%

• 227: 70%

- Cartilaginous tumor of unknown cause

- Rare; painless, slowly progressive swelling -

• Osteochondroma

• Osteosarcoma

• Chondroma

• Chondrosarcoma

• Osteochondroma

• Osteosarcoma

• Chondroma

• Chondrosarcoma

• Osteochondroma

• Osteosarcoma

• Chondroma

• Chondrosarcoma

1. 1. Pedunculated or broad-based bony exostosis

2. Cartilaginous cap with growth plate-like architecture (mimics endochondral ossification)

3. Continuity with underlying bone cortex and marrow

• Osteochondroma

• Osteosarcoma

• Chondroma

• Chondrosarcoma