This case study deals with the case of a 16-year-old male patient with a low-grade parosteal osteosarcoma of the distal femur with focal differentiation. Case history, disease course, and surgery as well as the pathological workup with final diagnosis are presented. Relevant radiologic and pathologic differential diagnoses und diagnostic pitfalls are explained in detail and discussed. Additionally, postoperative treatment options are illustrated.
Institut für Allgemeine Pathologie und Pathologische Anatomie; Institut für Diagnostische und Interventionelle Radiologie; Klinik und Poliklinik für Orthopädie und Sportorthopädie