Table 1 VS38c staining of benign and malignant bone tumours/tumour-like lesions

Osteoid osteoma

(4)

Osteoblastoma

(4)

Osteosarcoma—high-grade

 Osteoblastic

(46)

 Chondroblastic

(6)

 Telangiectatic

(6)

 Giant-cell rich

(1)

 Small cell

(2)

Osteosarcoma—low grade

 Intramedullary

(2)

 Parosteal

(4)

Fibrous dysplasia^a

(8)

Osteochondroma^a

(3)

Enchondroma^a

(6)

Chondroblastoma

(4)

Chondromyxoid fibroma^a

(3)

Atypical cartilaginous tumour/Chondrosarcoma, Grade I

(12)

Chondrosarcoma, Grade II/III

(8)

Ewing sarcoma^a

(16)

Giant cell tumour of bone

(12)

Aneurysmal bone cyst

(4)

Simple bone cyst

(2)

Osteofibrous dysplasia

(4)

Adamantinoma

(3)

Chordoma^a

(6)

Undifferentiated sarcoma

(4)

Langerhans cell histiocytosis^a

(4)

Fracture

(2)

Myositis ossificans

(2)