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. 2021 Jan 22;21:89. doi: 10.1186/s12885-020-07739-8

Fig. 3.

Fig. 3

Misdiagnosis of GCTB. a Typical response of GCTB to denosumab leads to bone formation and calcification (top two images are axial CT soft tissue window and bottom two images are anteroposterior radiographs). b In misdiagnosed PMGCTB, poor calcification in response to denosumab is shown (top two images are axial T1-weighted MRI, axial CT bone windows and bottom two are axial CT soft tissue windows)