Chondroblastoma vs clear cell chondrosarcoma

Last revised by Dr Daniel J Bell on 26 Oct 2017

Distinguishing between a chondroblastoma and an epiphyseal clear cell chondrosarcoma can be difficult. Helpful features which suggest a clear cell chondrosarcoma include:

  • older age (chondroblastomas tend to occur 10-20 years earlier)
  • larger mass
  • absent adjacent bone edema
  • high T2 signal (solid component of chondroblastomas tend to be of an intermediate signal on all sequences)
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