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Question 16: Bone MetastasesWhich of the following is not a typical appearance of bone metastases on plain radiographs?%u2022 Lytic lesions%u2022 Blastic lesions%u2022 Mixed lytic-blastic lesions%u2022 Pathological fractures%u2022 Periosteal reactionAnswer: Periosteal reactionExplanation: Bone metastases typically appear as lytic lesions, blastic lesions, mixed lytic-blastic lesions, or may cause pathological fractures. Periosteal reaction is not a typical feature of bone metastases and is more commonly seen in primary bone tumors or osteomyelitis.