Multimodal imaging in the diagnosis of bone giant cell tumors: A retrospective study

Figure 2 Left upper tibia giant cell tumor of bone invading the upper fibula with multiple lung metastases on positron emission tomography - computed tomography. A and B: Abnormal concentrations of contrast agents in both lungs and the upper tibia; C and D: Large area of bone destruction in the upper segment of the left tibia, accompanied by the formation of a large soft tissue mass and invasion of the upper end of the fibula with bone destruction; E and F: Abnormal concentration and high-density nodules in the lower lobes of both lungs.