Mechanisms of Tumor Spread






Pericapsular and direct articular spread have been shown by some authors to be the most common mechanisms of spread,3, 4 while others believe pericapsular and intra-articular spread occur most.3 Intra-articular infiltration of tumor makes extra-articular resection mandatory.


STIR MRI, axial: Note how this patient's chondrosarcoma has enveloped the biceps tendon (arrow).










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