This case illustrates the typical appearance of chondroblastoma.

On CT, chondroblastomas usually appear as solitary lucent bone lesions. Features like internal calcifications, cortical involvement and cortical destruction can be seen.

On MRI, chondroblastomas usually appear as lobular lesions with thin hypointense sclerotic rim on T1 and T2 weighted images, surrounding bone marrow and soft tissue edema