A 35-year-old woman undergoes imaging for a painless swelling over the medial aspect of the distal femur. Plain radiographs reveal a well-defined, radiolucent lesion with a narrow zone of transition, thin sclerotic rim, and no cortical breakthrough. The lesion is located in the metaphyseal-diaphyseal region. Regarding benign bone tumors and tumor-like lesions, all of the following imaging features are correctly matched with their lesions EXCEPT: