Presentation
History of pain around left knee joint for 6 months
Patient Data
Age: 25
Gender: Male
From the case:
Giant cell tumor - proximal tibia
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A well defined lytic lesion is noted at the proximal end of tibia abutting the articular surface.
Case Discussion
Features in favor of diagnosis are firstly the lesion is abutting the articular surface and secondly, epiphyseal fusion has occurred. Giant cell tumors do not cross the articular surface.
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