Desmoplastic fibroma.
D000293:Adolescent; D001859:Bone Neoplasms / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005260:Female; D005350:Fibroma / Q000000981:diagnostic imaging*; D006801:Humans; D008875:Middle Aged; D011859:Radiography; D011884:Radius / Q000000981:diagnostic imaging*