A26: Fibrous Cortical Defect and Nonossifying Fibroma (Also Referred to as Metaphyseal Fibrous Defect), Cortical Desmoid (Also Referred to as Periosteal Desmoid or Distal Femoral Cortical Irregularity), and Fibroxanthoma (Also Referred to as Benign Fibrous Histiocytoma) (MRI of Bone and Soft Tissue Tumors and Tumorlike Lesions, 2008)