Tumours Exam

• Long Zone of Transition

  • Aggressive & ill-defined

  
• Short Zone of Transition

  • Benign & well-defined

  
• Osseous Tumour Matrix

  • Uniformly sclerotic lesion

  
• Cartilaginous Tumour Matrix

  • Lucent lesion with stippled calcification

  
• Fibrous Tumour Matrix

  • "ground-glass" appearance

  
• Fat Tumour Matrix

  
• Cystic Tumour Matrix

  
• Round Cell Tumour Matrix

  
• FEGNOMASHIC

  Fibrous dysplasia

  Encondroma

  Giant cell tumour

  Non-ossifying fibroma

  Multiple Myeloma / Metastasis

  Aneurysmal bone cyst

  Simple bone cyst

  Hyperparathyroidism

  Infection

  Chondroblastoma
• Solid Periosteal Reaction

  • Benign

  
• Spiculated Periosteal Reaction

  • Hair on end
  • Aggressive

  
• Spiculated Periosteal Reaction

  • Sunburst
  • Aggressive

  
• Laminated Periosteal Reaction

  • Aggressive

  
• Codmans Triangle Periosteal Reaction

  • Aggressive

  
• Benign

  • Short zone of transition

  • Well-defined borders

  • Geographic pattern of bone destruction

  • Cortical thinning or expansion without destruction

  • Sclerotic rim or peripheral sclerosis

  • Solid periosteal reaction

  • Asymptomatic or mechanical/traumatic pain

  • Lesion size stable

  Aggressive

  • Long zone of transition

  • Ill-defined borders

  • Permeative or motheaten pattern of bone destruction

  • Cortical destruction

  • Laminated or spiculated periosteal reaction

  • Codman’s triangle

  • Soft tissue involvement or mass

  • Painful and growing
• Benign Osseous Tumours

  • Osteoid Osteoma

  • Osteoblastoma

  • Bone Island

  • Osteoma

  • Osteochondroma

  • Hereditary Multiple Exostoses
• Malignant Osseous Tumours

  • Primary osteosarcoma

  • Secondary osteosarcoma
• Benign Fibrous Tumours

  • Non-ossifying fibroma
• Malignant Fibrous Tumours

  • Primary fibrosarcoma

  • Secondary fibrosarcoma
• Benign Cartilaginous Tumours

  • Enchondroma

  • Ollier’s Disease

  • Maffucci Syndrome

  • Chondroblastoma
• Malignant Cartilaginous Tumours

  • Primary chondrosarcoma

  • Secondary chondrosarcoma
• Osteoid Osteoma

  
• Osteoid Osteoma

  
• Osteoblastoma

  
• Osteoma

  
• Osteochondroma

  
• Hereditary Multiple Exostoses

  (Osteochondromatosis)

  
• Primary Osteosarcoma

  
• Primary Osteosarcoma

  
• Secondary Osteosarcoma

  
• Non-ossifying Fibroma

  
• Non-ossifying Fibroma

  
• Primary Fibrosarcoma

  
• Enchondroma

  
• Olliers Disease

  
• Maffucci Syndrome

  
• Chondroblastoma

  
• Primary Chondrosarcoma

  
• Primary Chondrosarcoma

  
• Secondary Chondrosarcoma