Monday, September 7, 2009

Tumor Margin Differential Diagnosis

  • IA: Geographic with sclerotic border (non-aggressive, benign)
  • IB: Geographic without sclerotic border (non-aggressive)
  • IC: Geographic with wide zone of transition (Aggressive)
  • II/III: Moth-eaten/permeative (Aggressive)
  IA IB IC II/III
Brodie abscess
X
     
Benign Fibrous Histiocytoma of Bone
X
     
Non-ossifying fibroma
X
     
Osteoid osteoma
X
     
Chondroblastoma
X
X
   
Enchondroma (inactive)
X
X
   
Fibrous dysplasia
X
X
   
Aneurysmal bone cyst
X
X
X
 
Chondromyxoid fibroma
X
X
X
 
Giant cell tumor  
X
X
 
Enchondroma (active)    
X
 
Chondrosarcoma LG  
X
 
Langerhans cell histiocytosis
X
 
X
X
Myeloma/metastasis  
X
X
X
Brown tumor    
X
X
MFH/fibrosarcoma    
X
X
Osteomyelitis    
X
X
Osteosarcoma    
X
X
Ewing      
X
Round cell tumors      
X
LG, low-grade

References

  • Musculoskeletal Radiology: The Requisites, 3rd edition, p 408.
  • AFIP 2009-2010 syllabus, pp 812-814.

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