EXTRASKELETAL chondroma is a rare benigntumor that usually develops in the soft tissue,which commonly occurs in the limbs of adults andgenerally presents as painless masses without thesurrounding tissues involvement. The diagnosis mainlydepends on computed tomography, magnetic resonanceimaging （MRI） examination, and postoperative pathologicalexamination. This paper reports a case of extraskeletalchondroma in the popliteal region.
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